IXL Skill Plan | Alaska Content Standards: Grade 1

Alaska Content Standards: Grade 1

Skills available for Alaska Grade 1 math standards

Standard

Counting and Cardinality
Operations and Algebraic Thinking
Number and Operations in Base Ten
Measurement and Data
Geometry

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1.CC	Counting and Cardinality
Know ordinal names and counting flexibility.
1.CC.1 Skip count by 2s and 5s.		1. Skip-count by twos 2. Skip-count by fives 3. Skip-counting patterns with twos and fives
1.CC.1 Skip count by 2s and 5s.
1. Skip-count by twos 2. Skip-count by fives 3. Skip-counting patterns with twos and fives

1.CC.2 Use ordinal numbers correctly when identifying object position (e.g., first, second, third, etc.).		1. Ordinal numbers
1.CC.2 Use ordinal numbers correctly when identifying object position (e.g., first, second, third, etc.).
1. Ordinal numbers

1.CC.3 Order numbers from 1 - 100. Demonstrate ability in counting forward and backward.		Count forward and backward 1. Count objects to 100 2. Count forward - up to 100 3. Count backward - up to 100 4. Number lines - up to 100 5. Count on the hundred chart Order numbers 6. Put numbers in order - up to 100
1.CC.3 Order numbers from 1 - 100. Demonstrate ability in counting forward and backward.
Count forward and backward 1. Count objects to 100 2. Count forward - up to 100 3. Count backward - up to 100 4. Number lines - up to 100 5. Count on the hundred chart Order numbers 6. Put numbers in order - up to 100
Count to tell the number of objects.
1.CC.4 Count a large quantity of objects by grouping into 10s and counting by 10s and 1s to find the quantity.		1. Count objects to 100 2. Build and break apart two-digit numbers - with models
1.CC.4 Count a large quantity of objects by grouping into 10s and counting by 10s and 1s to find the quantity.
1. Count objects to 100 2. Build and break apart two-digit numbers - with models
Compare numbers.
1.CC.5 Use the symbols for greater than, less than or equal to when comparing two numbers or groups of objects.		1. Compare numbers up to 10 using symbols 2. Compare numbers up to 100 using symbols
1.CC.5 Use the symbols for greater than, less than or equal to when comparing two numbers or groups of objects.
1. Compare numbers up to 10 using symbols 2. Compare numbers up to 100 using symbols

1.CC.6 Estimate how many and how much in a given set to 20 and then verify estimate by counting.
1.CC.6 Estimate how many and how much in a given set to 20 and then verify estimate by counting.

1.OA	Operations and Algebraic Thinking
Represent and solve problems involving addition and subtraction.
1.OA.1 Use addition and subtraction strategies to solve word problems (using numbers up to 20), involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions, using a number line (e.g., by using objects, drawings and equations). Record and explain using equation symbols and a symbol for the unknown number to represent the problem.		Addition word problems up to 10 1. Addition word problems with pictures - sums up to 10 2. Write addition sentences for word problems with pictures - sums up to 10 3. Build cube trains to solve addition word problems - sums up to 10 4. Addition word problems - sums up to 10 5. Model and write addition sentences for word problems - sums up to 10 6. Addition sentences for word problems - sums up to 10 Subtraction word problems up to 10 7. Subtraction word problems with pictures - up to 10 8. Write subtraction sentences for word problems with pictures - up to 10 9. Use cube trains to solve subtraction word problems - up to 10 10. Subtraction word problems - up to 10 11. Model and write subtraction sentences for word problems - up to 10 12. Subtraction sentences for word problems - up to 10 "Add to" and "take from" word problems up to 10 13. Word problems with change unknown - up to 10 14. Word problems with start unknown - up to 10 "Put together" and "take apart" word problems up to 10 15. Subtraction sentences for "take apart" word problems - up to 10 16. Word problems with one addend unknown - up to 10 17. Word problems with both addends unknown - up to 10 Comparison word problems up to 10 18. Comparison word problems up to 10: how many more? 19. Subtraction sentences for comparison word problems up to 10: how many more? 20. Comparison word problems up to 10: how many fewer? 21. Subtraction sentences for comparison word problems up to 10: how many fewer? 22. Comparison word problems up to 10: how many more or fewer? 23. Subtraction sentences for comparison word problems up to 10: how many more or fewer? 24. Comparison word problems up to 10: what is the larger amount? 25. Comparison word problems up to 10: what is the smaller amount? 26. Comparison word problems up to 10 Mixed operation word problems up to 10 27. Addition and subtraction word problems with pictures - up to 10 28. Use cube trains to solve addition and subtraction word problems - up to 10 29. Word problems with unknown sums and differences - up to 10 30. Addition and subtraction sentences for word problems - up to 10 31. Word problems involving addition and subtraction - up to 10 32. Match word problems to addition and subtraction sentences - up to 10 Addition word problems up to 20 33. Addition word problems with models - sums up to 20 34. Addition word problems - sums up to 20 35. Addition sentences for word problems - sums up to 20 Subtraction word problems up to 20 36. Subtraction word problems with models - up to 20 37. Subtraction word problems - up to 20 38. Subtraction sentences for word problems - up to 20 "Add to" and "take from" word problems up to 20 39. Word problems with change unknown - up to 20 40. Write number sentences for word problems with change unknown - up to 20 41. Word problems with start unknown - up to 20 42. Write number sentences for word problems with start unknown - up to 20 "Put together" and "take apart" word problems up to 20 43. Word problems with one addend unknown - up to 20 44. Write number sentences for word problems with one addend unknown - up to 20 45. Word problems with both addends unknown - up to 20 Comparison word problems up to 20 46. Comparison word problems up to 20: how many more or fewer? 47. Comparison word problems up to 20: what is the larger amount? 48. Comparison word problems up to 20: what is the smaller amount? 49. Comparison word problems up to 20: part 1 50. Comparison word problems up to 20: part 2 51. Write number sentences for comparison word problems - up to 20 Mixed operation word problems up to 20 52. Word problems with sum or difference unknown - up to 20 53. Addition and subtraction sentences for word problems - up to 20 54. Use models to solve word problems involving addition and subtraction - up to 20 55. Word problems involving addition and subtraction without comparisons - up to 20 56. Write number sentences for word problems without comparisons - up to 20 57. Word problems involving addition and subtraction - up to 20 58. Write number sentences for word problems - up to 20 59. Match word problems to addition and subtraction sentences - up to 20
1.OA.1 Use addition and subtraction strategies to solve word problems (using numbers up to 20), involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions, using a number line (e.g., by using objects, drawings and equations). Record and explain using equation symbols and a symbol for the unknown number to represent the problem.
Addition word problems up to 10 1. Addition word problems with pictures - sums up to 10 2. Write addition sentences for word problems with pictures - sums up to 10 3. Build cube trains to solve addition word problems - sums up to 10 4. Addition word problems - sums up to 10 5. Model and write addition sentences for word problems - sums up to 10 6. Addition sentences for word problems - sums up to 10 Subtraction word problems up to 10 7. Subtraction word problems with pictures - up to 10 8. Write subtraction sentences for word problems with pictures - up to 10 9. Use cube trains to solve subtraction word problems - up to 10 10. Subtraction word problems - up to 10 11. Model and write subtraction sentences for word problems - up to 10 12. Subtraction sentences for word problems - up to 10 "Add to" and "take from" word problems up to 10 13. Word problems with change unknown - up to 10 14. Word problems with start unknown - up to 10 "Put together" and "take apart" word problems up to 10 15. Subtraction sentences for "take apart" word problems - up to 10 16. Word problems with one addend unknown - up to 10 17. Word problems with both addends unknown - up to 10 Comparison word problems up to 10 18. Comparison word problems up to 10: how many more? 19. Subtraction sentences for comparison word problems up to 10: how many more? 20. Comparison word problems up to 10: how many fewer? 21. Subtraction sentences for comparison word problems up to 10: how many fewer? 22. Comparison word problems up to 10: how many more or fewer? 23. Subtraction sentences for comparison word problems up to 10: how many more or fewer? 24. Comparison word problems up to 10: what is the larger amount? 25. Comparison word problems up to 10: what is the smaller amount? 26. Comparison word problems up to 10 Mixed operation word problems up to 10 27. Addition and subtraction word problems with pictures - up to 10 28. Use cube trains to solve addition and subtraction word problems - up to 10 29. Word problems with unknown sums and differences - up to 10 30. Addition and subtraction sentences for word problems - up to 10 31. Word problems involving addition and subtraction - up to 10 32. Match word problems to addition and subtraction sentences - up to 10 Addition word problems up to 20 33. Addition word problems with models - sums up to 20 34. Addition word problems - sums up to 20 35. Addition sentences for word problems - sums up to 20 Subtraction word problems up to 20 36. Subtraction word problems with models - up to 20 37. Subtraction word problems - up to 20 38. Subtraction sentences for word problems - up to 20 "Add to" and "take from" word problems up to 20 39. Word problems with change unknown - up to 20 40. Write number sentences for word problems with change unknown - up to 20 41. Word problems with start unknown - up to 20 42. Write number sentences for word problems with start unknown - up to 20 "Put together" and "take apart" word problems up to 20 43. Word problems with one addend unknown - up to 20 44. Write number sentences for word problems with one addend unknown - up to 20 45. Word problems with both addends unknown - up to 20 Comparison word problems up to 20 46. Comparison word problems up to 20: how many more or fewer? 47. Comparison word problems up to 20: what is the larger amount? 48. Comparison word problems up to 20: what is the smaller amount? 49. Comparison word problems up to 20: part 1 50. Comparison word problems up to 20: part 2 51. Write number sentences for comparison word problems - up to 20 Mixed operation word problems up to 20 52. Word problems with sum or difference unknown - up to 20 53. Addition and subtraction sentences for word problems - up to 20 54. Use models to solve word problems involving addition and subtraction - up to 20 55. Word problems involving addition and subtraction without comparisons - up to 20 56. Write number sentences for word problems without comparisons - up to 20 57. Word problems involving addition and subtraction - up to 20 58. Write number sentences for word problems - up to 20 59. Match word problems to addition and subtraction sentences - up to 20

1.OA.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20 (e.g., by using objects, drawings and equations). Record and explain using equation symbols and a symbol for the unknown number to represent the problem.		1. Add three numbers - word problems
1.OA.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20 (e.g., by using objects, drawings and equations). Record and explain using equation symbols and a symbol for the unknown number to represent the problem.
1. Add three numbers - word problems
Understand and apply properties of operations and the relationship between addition and subtraction.
1.OA.3 Apply properties of operations as strategies to add and subtract. (Students need not know the name of the property.)		Addition 1. Add in any order 2. Related addition facts 3. Use ten frames to add 4. Make ten to add 5. Add three numbers - make ten Subtraction 6. Related subtraction facts Addition and subtraction 7. Use addition to subtract - up to 10 8. Fact families - up to 10 9. Add and subtract with 0 10. Use addition to subtract - up to 20 11. Fact families - up to 20
1.OA.3 Apply properties of operations as strategies to add and subtract. (Students need not know the name of the property.)
Addition 1. Add in any order 2. Related addition facts 3. Use ten frames to add 4. Make ten to add 5. Add three numbers - make ten Subtraction 6. Related subtraction facts Addition and subtraction 7. Use addition to subtract - up to 10 8. Fact families - up to 10 9. Add and subtract with 0 10. Use addition to subtract - up to 20 11. Fact families - up to 20

1.OA.4 Understand subtraction as an unknown-addend problem.		Understand subtraction up to 10 1. Complete the addition sentence to make ten - with models 2. Complete the addition sentence to make ten 3. Relate addition and subtraction sentences - up to 10 4. Use addition to subtract - up to 10 5. Complete the addition sentence - sums up to 10 Understand subtraction up to 20 6. Relate addition and subtraction sentences - up to 20 7. Use addition to subtract - up to 20 8. Complete the addition sentence - sums up to 20
1.OA.4 Understand subtraction as an unknown-addend problem.
Understand subtraction up to 10 1. Complete the addition sentence to make ten - with models 2. Complete the addition sentence to make ten 3. Relate addition and subtraction sentences - up to 10 4. Use addition to subtract - up to 10 5. Complete the addition sentence - sums up to 10 Understand subtraction up to 20 6. Relate addition and subtraction sentences - up to 20 7. Use addition to subtract - up to 20 8. Complete the addition sentence - sums up to 20
Add and subtract using numbers up to 20.
1.OA.5 Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).		Addition 1. Addition sentences using number lines - sums up to 10 2. Add by counting on - sums up to 10 3. Addition sentences using number lines - sums up to 20 4. Add by counting on - sums up to 20 Subtraction 5. Subtraction sentences using number lines - up to 10 6. Subtract by counting back - up to 10 7. Subtract by counting on - up to 10 8. Subtraction sentences using number lines - up to 20 9. Subtract by counting back - up to 20 10. Subtract by counting on - up to 20
1.OA.5 Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
Addition 1. Addition sentences using number lines - sums up to 10 2. Add by counting on - sums up to 10 3. Addition sentences using number lines - sums up to 20 4. Add by counting on - sums up to 20 Subtraction 5. Subtraction sentences using number lines - up to 10 6. Subtract by counting back - up to 10 7. Subtract by counting on - up to 10 8. Subtraction sentences using number lines - up to 20 9. Subtract by counting back - up to 20 10. Subtract by counting on - up to 20

1.OA.6 Add and subtract using numbers up to 20, demonstrating fluency for addition and subtraction up to 10. Use strategies such as:		Addition skill builders 1. Adding 1 2. Adding 2 3. Adding 3 4. Adding 4 5. Adding 5 6. Adding 6 7. Adding 7 8. Adding 8 9. Adding 9 10. Adding 10 11. Adding 0 Subtraction skill builders 12. Subtracting 1 13. Subtracting 2 14. Subtracting 3 15. Subtracting 4 16. Subtracting 5 17. Subtracting 6 18. Subtracting 7 19. Subtracting 8 20. Subtracting 9 21. Subtracting 10 22. Subtracting 0 Add and subtract within 10 23. Addition facts - sums up to 10 24. Subtraction facts - up to 10 25. Addition and subtraction facts - up to 10 26. Sort addition and subtraction facts - up to 10 Add and subtract within 20 27. Addition facts - sums up to 20 28. Sort addition facts - sums up to 20 29. Subtraction facts - up to 20 30. Sort subtraction facts - up to 20 31. Addition and subtraction facts - up to 20
1.OA.6 Add and subtract using numbers up to 20, demonstrating fluency for addition and subtraction up to 10. Use strategies such as:
Addition skill builders 1. Adding 1 2. Adding 2 3. Adding 3 4. Adding 4 5. Adding 5 6. Adding 6 7. Adding 7 8. Adding 8 9. Adding 9 10. Adding 10 11. Adding 0 Subtraction skill builders 12. Subtracting 1 13. Subtracting 2 14. Subtracting 3 15. Subtracting 4 16. Subtracting 5 17. Subtracting 6 18. Subtracting 7 19. Subtracting 8 20. Subtracting 9 21. Subtracting 10 22. Subtracting 0 Add and subtract within 10 23. Addition facts - sums up to 10 24. Subtraction facts - up to 10 25. Addition and subtraction facts - up to 10 26. Sort addition and subtraction facts - up to 10 Add and subtract within 20 27. Addition facts - sums up to 20 28. Sort addition facts - sums up to 20 29. Subtraction facts - up to 20 30. Sort subtraction facts - up to 20 31. Addition and subtraction facts - up to 20
1.OA.6.a: counting on		1. Add by counting on - sums up to 10 2. Subtract by counting back - up to 10 3. Subtract by counting on - up to 10 4. Subtract by counting back - up to 20 5. Subtract by counting on - up to 20
1.OA.6.a: counting on
1. Add by counting on - sums up to 10 2. Subtract by counting back - up to 10 3. Subtract by counting on - up to 10 4. Subtract by counting back - up to 20 5. Subtract by counting on - up to 20
1.OA.6.b: making ten (8 + 6 = 8 + 2 + 4 = 10 + 4 = 14)		1. Use ten frames to add 2. Make ten to add 3. Add three numbers - make ten
1.OA.6.b: making ten (8 + 6 = 8 + 2 + 4 = 10 + 4 = 14)
1. Use ten frames to add 2. Make ten to add 3. Add three numbers - make ten
1.OA.6.c: decomposing a number leading to a ten (13 - 4 = 13 - 3 - 1 = 10 - 1 = 9)		1. Use ten to subtract 2. Count on and use ten to subtract - up to 20
1.OA.6.c: decomposing a number leading to a ten (13 - 4 = 13 - 3 - 1 = 10 - 1 = 9)
1. Use ten to subtract 2. Count on and use ten to subtract - up to 20
1.OA.6.d: using the relationship between addition and subtraction, such as fact families, (8 + 4 = 12 and 12 - 8 = 4)		1. Use addition to subtract - up to 10 2. Fact families - up to 10 3. Related addition facts 4. Related subtraction facts 5. Relate addition and subtraction sentences - up to 20 6. Use addition to subtract - up to 20
1.OA.6.d: using the relationship between addition and subtraction, such as fact families, (8 + 4 = 12 and 12 - 8 = 4)
1. Use addition to subtract - up to 10 2. Fact families - up to 10 3. Related addition facts 4. Related subtraction facts 5. Relate addition and subtraction sentences - up to 20 6. Use addition to subtract - up to 20
1.OA.6.e: creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).		Addition strategies 1. Add doubles - with models 2. Add doubles 3. Add doubles - complete the sentence 4. Add using doubles plus one 5. Add using doubles minus one Make a number using addition 6. Make a number using addition - sums up to 10 7. Ways to make a number - addition sentences up to 10 8. Make a number using addition - sums up to 20 Subtraction strategies 9. Subtract zero and all 10. Subtract doubles Make a number using subtraction 11. Make a number using subtraction - up to 10 12. Ways to make a number - subtraction sentences up to 10 13. Ways to subtract from a number - subtraction sentences up to 10 14. Make a number using subtraction - up to 20 15. Addition and subtraction - ways to make a number
1.OA.6.e: creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
Addition strategies 1. Add doubles - with models 2. Add doubles 3. Add doubles - complete the sentence 4. Add using doubles plus one 5. Add using doubles minus one Make a number using addition 6. Make a number using addition - sums up to 10 7. Ways to make a number - addition sentences up to 10 8. Make a number using addition - sums up to 20 Subtraction strategies 9. Subtract zero and all 10. Subtract doubles Make a number using subtraction 11. Make a number using subtraction - up to 10 12. Ways to make a number - subtraction sentences up to 10 13. Ways to subtract from a number - subtraction sentences up to 10 14. Make a number using subtraction - up to 20 15. Addition and subtraction - ways to make a number
Work with addition and subtraction equations.
1.OA.7 Understand the meaning of the equal sign (e.g., read equal sign as "same as") and determine if equations involving addition and subtraction are true or false.		Addition 1. Addition sentences: true or false? 2. Addition sentences: which is true? Subtraction 3. Subtraction sentences: true or false? 4. Subtraction sentences: which is true? Mixed operations 5. Addition and subtraction sentences to 10: which is true? 6. Which sign makes the number sentence true? - up to 10 7. Addition and subtraction sentences to 20: which is true? 8. Which sign makes the number sentence true? 9. Complete addition and subtraction equations - up to 20
1.OA.7 Understand the meaning of the equal sign (e.g., read equal sign as "same as") and determine if equations involving addition and subtraction are true or false.
Addition 1. Addition sentences: true or false? 2. Addition sentences: which is true? Subtraction 3. Subtraction sentences: true or false? 4. Subtraction sentences: which is true? Mixed operations 5. Addition and subtraction sentences to 10: which is true? 6. Which sign makes the number sentence true? - up to 10 7. Addition and subtraction sentences to 20: which is true? 8. Which sign makes the number sentence true? 9. Complete addition and subtraction equations - up to 20

1.OA.8 Determine the unknown whole number in an addition or subtraction equation.		Addition equations 1. Complete the addition sentence to make ten - with models 2. Complete the addition sentence to make ten 3. Add doubles - complete the sentence 4. Complete the addition sentence - sums up to 10 5. Complete the addition sentence - sums up to 20 Subtraction equations 6. Complete the subtraction sentence - up to 10 7. Complete the subtraction sentence - up to 20 Addition and subtraction equations 8. Complete the addition or subtraction sentence - up to 20
1.OA.8 Determine the unknown whole number in an addition or subtraction equation.
Addition equations 1. Complete the addition sentence to make ten - with models 2. Complete the addition sentence to make ten 3. Add doubles - complete the sentence 4. Complete the addition sentence - sums up to 10 5. Complete the addition sentence - sums up to 20 Subtraction equations 6. Complete the subtraction sentence - up to 10 7. Complete the subtraction sentence - up to 20 Addition and subtraction equations 8. Complete the addition or subtraction sentence - up to 20
Identify and continue patterns.
1.OA.9 Identify, continue and label patterns (e.g., aabb, abab). Create patterns using number, shape, size, rhythm or color.		1. Complete a pattern 2. Make a pattern 3. Introduction to patterns 4. Find the next shape in a pattern
1.OA.9 Identify, continue and label patterns (e.g., aabb, abab). Create patterns using number, shape, size, rhythm or color.
1. Complete a pattern 2. Make a pattern 3. Introduction to patterns 4. Find the next shape in a pattern

1.NBT	Number and Operations in Base Ten
Extend the counting sequence.
1.NBT.1 Count to 120. In this range, read, write and order numerals and represent a number of objects with a written numeral.		Count objects 1. Counting review - up to 10 2. Counting review - up to 20 3. Count on ten frames - up to 40 4. Count objects to 100 5. Count objects to 120 Count up to 120 6. Count forward - up to 100 7. Number lines - up to 100 8. Count on the hundred chart 9. Count up to find the next number - up to 120 10. Count forward - up to 120 11. Number lines - up to 120 12. Count on a number chart - up to 120 Skip-counting 13. Skip-count by fives 14. Skip-count by tens 15. Skip-count by tens - up to 120 16. Skip-count by twos, fives, and tens 17. Count objects by tens and ones - up to 120 Number names 18. Write the number you hear - up to 120 19. Writing numbers in words - convert words to digits 20. Writing numbers in words - convert digits to words
1.NBT.1 Count to 120. In this range, read, write and order numerals and represent a number of objects with a written numeral.
Count objects 1. Counting review - up to 10 2. Counting review - up to 20 3. Count on ten frames - up to 40 4. Count objects to 100 5. Count objects to 120 Count up to 120 6. Count forward - up to 100 7. Number lines - up to 100 8. Count on the hundred chart 9. Count up to find the next number - up to 120 10. Count forward - up to 120 11. Number lines - up to 120 12. Count on a number chart - up to 120 Skip-counting 13. Skip-count by fives 14. Skip-count by tens 15. Skip-count by tens - up to 120 16. Skip-count by twos, fives, and tens 17. Count objects by tens and ones - up to 120 Number names 18. Write the number you hear - up to 120 19. Writing numbers in words - convert words to digits 20. Writing numbers in words - convert digits to words
Understand place value.
1.NBT.2 Model and identify place value positions of two digit numbers. Include:
1.NBT.2 Model and identify place value positions of two digit numbers. Include:

1.NBT.2.a: 10 can be thought of as a bundle of ten ones, called a "ten".
1.NBT.2.a: 10 can be thought of as a bundle of ten ones, called a "ten".

1.NBT.2.b: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight or nine ones.		1. Make teen numbers: addition sentences 2. Take apart teen numbers: addition sentences 3. Make and take apart teen numbers: addition sentences 4. Build and break apart teen numbers 5. Place value models up to 20
1.NBT.2.b: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight or nine ones.
1. Make teen numbers: addition sentences 2. Take apart teen numbers: addition sentences 3. Make and take apart teen numbers: addition sentences 4. Build and break apart teen numbers 5. Place value models up to 20
1.NBT.2.c: The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90, refer to one, two, three, four, five, six, seven, eight or nine tens (and 0 ones).		1. Build and break apart multiples of ten
1.NBT.2.c: The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90, refer to one, two, three, four, five, six, seven, eight or nine tens (and 0 ones).
1. Build and break apart multiples of ten

1.NBT.3 Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, <.		1. Use place value to compare numbers up to 100 2. Compare numbers up to 100 using symbols - with models 3. Compare numbers up to 100 using symbols
1.NBT.3 Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, <.
1. Use place value to compare numbers up to 100 2. Compare numbers up to 100 using symbols - with models 3. Compare numbers up to 100 using symbols
Use place value understanding and properties of operations to add and subtract.
1.NBT.4 Add using numbers up to 100 including adding a two-digit number and a one-digit number and adding a two-digit number and a multiple of 10.
1.NBT.4 Add using numbers up to 100 including adding a two-digit number and a one-digit number and adding a two-digit number and a multiple of 10.

1.NBT.4.1.a: Use concrete models or drawings and strategies based on place value.		Models 1. Use models to add a multiple of ten and a one-digit number 2. Use models to add a multiple of ten and a two-digit number 3. Use models to add a two-digit and a one-digit number - without regrouping 4. Use models to add a two-digit and a one-digit number - with regrouping 5. Use models to add two-digit numbers - without regrouping 6. Use models to add two-digit numbers - with regrouping Place value strategies 7. Add multiples of ten 8. Add a multiple of ten and a one-digit number 9. Add a multiple of ten and a two-digit number 10. Add a two-digit and a one-digit number - without regrouping 11. Add a two-digit and a one-digit number - with regrouping
1.NBT.4.1.a: Use concrete models or drawings and strategies based on place value.
Models 1. Use models to add a multiple of ten and a one-digit number 2. Use models to add a multiple of ten and a two-digit number 3. Use models to add a two-digit and a one-digit number - without regrouping 4. Use models to add a two-digit and a one-digit number - with regrouping 5. Use models to add two-digit numbers - without regrouping 6. Use models to add two-digit numbers - with regrouping Place value strategies 7. Add multiples of ten 8. Add a multiple of ten and a one-digit number 9. Add a multiple of ten and a two-digit number 10. Add a two-digit and a one-digit number - without regrouping 11. Add a two-digit and a one-digit number - with regrouping
1.NBT.4.1.b: Use properties of operations.		1. Add three numbers - use doubles 2. Add three numbers
1.NBT.4.1.b: Use properties of operations.
1. Add three numbers - use doubles 2. Add three numbers
1.NBT.4.1.c: Use relationship between addition and subtraction.
1.NBT.4.1.c: Use relationship between addition and subtraction.

1.NBT.4.2: Relate the strategy to a written method and explain the reasoning used.
1.NBT.4.2: Relate the strategy to a written method and explain the reasoning used.

1.NBT.4.3: Demonstrate in adding two-digit numbers, tens and tens are added, ones and ones are added and sometimes it is necessary to compose a ten from ten ones.		1. Regroup tens and ones - ways to make a number 2. Regroup tens and ones
1.NBT.4.3: Demonstrate in adding two-digit numbers, tens and tens are added, ones and ones are added and sometimes it is necessary to compose a ten from ten ones.
1. Regroup tens and ones - ways to make a number 2. Regroup tens and ones

1.NBT.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.		1. Ten more or less 2. Add and subtract ten
1.NBT.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
1. Ten more or less 2. Add and subtract ten

1.NBT.6 Subtract multiples of 10 up to 100.
1.NBT.6 Subtract multiples of 10 up to 100.

1.NBT.6.1.a: Use concrete models or drawings.
1.NBT.6.1.a: Use concrete models or drawings.

1.NBT.6.1.b: Use strategies based on place value.		1. Subtract multiples of ten
1.NBT.6.1.b: Use strategies based on place value.
1. Subtract multiples of ten
1.NBT.6.1.c: Use properties of operations.
1.NBT.6.1.c: Use properties of operations.

1.NBT.6.1.d: Use the relationship between addition and subtraction.
1.NBT.6.1.d: Use the relationship between addition and subtraction.

1.NBT.6.2: Relate the strategy to a written method and explain the reasoning used.
1.NBT.6.2: Relate the strategy to a written method and explain the reasoning used.

1.MD	Measurement and Data
Measure lengths indirectly and by iterating length units.
1.MD.1 Measure and compare three objects using standard or non-standard units.		1. Compare objects: length and height 2. Measure using an inch ruler 3. Measure using a centimeter ruler 4. Measure to compare length in inches 5. Measure to compare length in centimeters 6. Compare objects: length and height - 2 objects only
1.MD.1 Measure and compare three objects using standard or non-standard units.
1. Compare objects: length and height 2. Measure using an inch ruler 3. Measure using a centimeter ruler 4. Measure to compare length in inches 5. Measure to compare length in centimeters 6. Compare objects: length and height - 2 objects only

1.MD.2 Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps.		1. Measure length with objects 2. Build cube trains to measure length
1.MD.2 Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps.
1. Measure length with objects 2. Build cube trains to measure length
Work with time and money.
1.MD.3 Tell and write time in half hours using both analog and digital clocks.		1. Match digital clocks and times 2. Match analog clocks and times with words: to the hour 3. Match analog clocks and times with words: to the half hour 4. Match analog clocks and times: to the half hour 5. Match analog and digital clocks: to the half hour 6. Read clocks and write times
1.MD.3 Tell and write time in half hours using both analog and digital clocks.
1. Match digital clocks and times 2. Match analog clocks and times with words: to the hour 3. Match analog clocks and times with words: to the half hour 4. Match analog clocks and times: to the half hour 5. Match analog and digital clocks: to the half hour 6. Read clocks and write times

1.MD.4 Read a calendar distinguishing yesterday, today and tomorrow. Read and write a date.		1. Read a calendar 2. Read a calendar II
1.MD.4 Read a calendar distinguishing yesterday, today and tomorrow. Read and write a date.
1. Read a calendar 2. Read a calendar II

1.MD.5 Recognize and read money symbols including $ and ¢.		1. Names of common coins
1.MD.5 Recognize and read money symbols including $ and ¢.
1. Names of common coins

1.MD.6 Identify values of coins (e.g., nickel = 5 cents, quarter = 25 cents). Identify equivalent values of coins up to $1 (e.g., 5 pennies = 1 nickel, 5 nickels = 1 quarter).		Count money 1. Names and values of common coins 2. Count groups of like coins: pennies, nickels, or dimes 3. Count groups of like coins: pennies, nickels, dimes, or quarters 4. Count pennies, nickels, and dimes 5. Count pennies, nickels, dimes, and quarters Equivalent values of coins 6. Equivalent groups of coins 7. Exchanging coins - with pictures 8. Exchanging coins
1.MD.6 Identify values of coins (e.g., nickel = 5 cents, quarter = 25 cents). Identify equivalent values of coins up to $1 (e.g., 5 pennies = 1 nickel, 5 nickels = 1 quarter).
Count money 1. Names and values of common coins 2. Count groups of like coins: pennies, nickels, or dimes 3. Count groups of like coins: pennies, nickels, dimes, or quarters 4. Count pennies, nickels, and dimes 5. Count pennies, nickels, dimes, and quarters Equivalent values of coins 6. Equivalent groups of coins 7. Exchanging coins - with pictures 8. Exchanging coins
Represent and interpret data.
1.MD.7 Organize, represent and interpret data with up to three categories. Ask and answer comparison and quantity questions about the data.		Represent data 1. Which picture graph is correct? 2. Make picture graphs with pictures 3. Make picture graphs with symbols 4. Which tally chart is correct? 5. Record data in tables 6. Show data in different ways 7. Sort shapes into a Venn diagram Interpret data 8. Interpret picture graphs 9. Interpret tally charts 10. Interpret data in tables 11. Interpret picture graphs, tally charts, and tables 12. Count shapes in a Venn diagram
1.MD.7 Organize, represent and interpret data with up to three categories. Ask and answer comparison and quantity questions about the data.
Represent data 1. Which picture graph is correct? 2. Make picture graphs with pictures 3. Make picture graphs with symbols 4. Which tally chart is correct? 5. Record data in tables 6. Show data in different ways 7. Sort shapes into a Venn diagram Interpret data 8. Interpret picture graphs 9. Interpret tally charts 10. Interpret data in tables 11. Interpret picture graphs, tally charts, and tables 12. Count shapes in a Venn diagram

1.G	Geometry
Reason with shapes and their attributes.
1.G.1 Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes. Identify shapes that have non-defining attributes (e.g., color, orientation, overall size). Build and draw shapes given specified attributes.		Two-dimensional shapes 1. Select two-dimensional shapes 2. Name the two-dimensional shape 3. Count sides and corners 4. Compare sides and corners 5. Sort two-dimensional shapes 6. Square corners 7. Equal sides 8. Open and closed shapes 9. Attributes of two-dimensional shapes 10. Compare shapes using attributes 11. Name the two-dimensional shape and explain your answer Two- and three-dimensional shapes 12. Two-dimensional and three-dimensional shapes Three-dimensional shapes 13. Cubes and rectangular prisms 14. Select three-dimensional shapes 15. Name the three-dimensional shape 16. Count vertices, edges, and faces 17. Compare vertices, edges, and faces 18. Identify faces of three-dimensional shapes 19. Identify shapes traced from solids 20. Attributes of three-dimensional shapes 21. Name the three-dimensional shape and explain your answer 22. Sort three-dimensional shapes
1.G.1 Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes. Identify shapes that have non-defining attributes (e.g., color, orientation, overall size). Build and draw shapes given specified attributes.
Two-dimensional shapes 1. Select two-dimensional shapes 2. Name the two-dimensional shape 3. Count sides and corners 4. Compare sides and corners 5. Sort two-dimensional shapes 6. Square corners 7. Equal sides 8. Open and closed shapes 9. Attributes of two-dimensional shapes 10. Compare shapes using attributes 11. Name the two-dimensional shape and explain your answer Two- and three-dimensional shapes 12. Two-dimensional and three-dimensional shapes Three-dimensional shapes 13. Cubes and rectangular prisms 14. Select three-dimensional shapes 15. Name the three-dimensional shape 16. Count vertices, edges, and faces 17. Compare vertices, edges, and faces 18. Identify faces of three-dimensional shapes 19. Identify shapes traced from solids 20. Attributes of three-dimensional shapes 21. Name the three-dimensional shape and explain your answer 22. Sort three-dimensional shapes

1.G.2 Compose (put together) two-dimensional or three-dimensional shapes to create a larger, composite shape, and compose new shapes from the composite shape.		1. Compose two-dimensional shapes 2. Compose two-dimensional shapes: which shapes can you make? 3. Compose three-dimensional shapes 4. Compose bigger three-dimensional shapes
1.G.2 Compose (put together) two-dimensional or three-dimensional shapes to create a larger, composite shape, and compose new shapes from the composite shape.
1. Compose two-dimensional shapes 2. Compose two-dimensional shapes: which shapes can you make? 3. Compose three-dimensional shapes 4. Compose bigger three-dimensional shapes

1.G.3 Partition circles and rectangles into two and four equal shares. Describe the shares using the words, halves, fourths, and quarters and phrases half of, fourth of and quarter of. Describe the whole as two of or four of the shares. Understand for these examples that decomposing (break apart) into more equal shares creates smaller shares.		Halves 1. Identify halves 2. Make halves Fourths 3. Identify fourths 4. Make fourths Halves and fourths 5. Equal parts - 2 and 4 equal parts 6. Identify halves and fourths 7. Make halves and fourths 8. Make halves and fourths in different ways 9. Compare halves and fourths
1.G.3 Partition circles and rectangles into two and four equal shares. Describe the shares using the words, halves, fourths, and quarters and phrases half of, fourth of and quarter of. Describe the whole as two of or four of the shares. Understand for these examples that decomposing (break apart) into more equal shares creates smaller shares.
Halves 1. Identify halves 2. Make halves Fourths 3. Identify fourths 4. Make fourths Halves and fourths 5. Equal parts - 2 and 4 equal parts 6. Identify halves and fourths 7. Make halves and fourths 8. Make halves and fourths in different ways 9. Compare halves and fourths