1	Unit 2.1 Working With Data and Solving Comparison Problems
Sub-Unit 1 - Adding and Subtracting
Lesson 1:  Investigate: A Pattern Puzzle		1. Hundred chart
Lesson 1:  Investigate: A Pattern Puzzle
1. Hundred chart
Lesson 2:  Exploring Within 10		1. Ways to make a number using addition - sums to 10 2. Ways to make a number using subtraction - up to 10
Lesson 2:  Exploring Within 10
1. Ways to make a number using addition - sums to 10 2. Ways to make a number using subtraction - up to 10
Lesson 3:  Ways to Make 10		1. Make 10 using addition Also consider: • Fact families - up to 10
Lesson 3:  Ways to Make 10
1. Make 10 using addition Also consider: • Fact families - up to 10
Lesson 4:  A Tower of 10		1. Write addition sentences to describe pictures - sums to 10 2. Write subtraction sentences - up to 10
Lesson 4:  A Tower of 10
1. Write addition sentences to describe pictures - sums to 10 2. Write subtraction sentences - up to 10
Lesson 5:  What's Missing?		1. Complete the addition sentence - sums to 20 2. Complete the subtraction sentence - up to 20 3. Relate addition and subtraction sentences Also consider: • Write number sentences for word problems - up to 20 • Fact families
Lesson 5:  What's Missing?
1. Complete the addition sentence - sums to 20 2. Complete the subtraction sentence - up to 20 3. Relate addition and subtraction sentences Also consider: • Write number sentences for word problems - up to 20 • Fact families
Lesson 6:  Have It Your Way		1. Addition and subtraction - up to 20 Also consider: • Which addition or subtraction sentence is true? - up to 20
Lesson 6:  Have It Your Way
1. Addition and subtraction - up to 20 Also consider: • Which addition or subtraction sentence is true? - up to 20
Sub-Unit 2 - Ways to Represent Data
Lesson 7:  How We Get to School		1. Which tally chart is correct? 2. Record data in tables
Lesson 7:  How We Get to School
1. Which tally chart is correct? 2. Record data in tables
Lesson 8:  A Class Pet		1. Interpret picture graphs
Lesson 8:  A Class Pet
1. Interpret picture graphs
Lesson 9:  Data About Mr. Roy's Class		1. Interpret bar graphs I
Lesson 9:  Data About Mr. Roy's Class
1. Interpret bar graphs I
Lesson 10:  Representing Data In Graphs		1. Create picture graphs 2. Create bar graphs
Lesson 10:  Representing Data In Graphs
1. Create picture graphs 2. Create bar graphs
Lesson 11:  Questions About Data		1. Use bar graphs to answer questions
Lesson 11:  Questions About Data
1. Use bar graphs to answer questions
Lesson 12:  Class Surveys		1. Which bar graph is correct?
Lesson 12:  Class Surveys
1. Which bar graph is correct?
Sub-Unit 3 - Solving Problems About Comparing
Lesson 13:  Representing Data With Benita		1. Interpret bar graphs II
Lesson 13:  Representing Data With Benita
1. Interpret bar graphs II
Lesson 14:  Awesome Aquariums		1. Use bar graphs to solve problems 2. Use models to solve comparison word problems - up to 20
Lesson 14:  Awesome Aquariums
1. Use bar graphs to solve problems 2. Use models to solve comparison word problems - up to 20
Lesson 15:  Comparing at the Beach		1. Use models to solve addition and subtraction word problems - up to 20 2. Comparison word problems - up to 20
Lesson 15:  Comparing at the Beach
1. Use models to solve addition and subtraction word problems - up to 20 2. Comparison word problems - up to 20
Lesson 16:  Comparing at the Library		1. Addition sentences for word problems - sums to 20 2. Subtraction sentences for word problems - up to 20
Lesson 16:  Comparing at the Library
1. Addition sentences for word problems - sums to 20 2. Subtraction sentences for word problems - up to 20

2	Unit 2.2 Adding and Subtracting Within 100
Sub-Unit 1 - The Value of Money
Lesson 1:  Investigate: Activities at the Block Party
Lesson 1:  Investigate: Activities at the Block Party
Lesson 2:  Discovering Coins (Part 1)		1. Names and values of pennies, nickels, and dimes
Lesson 2:  Discovering Coins (Part 1)
1. Names and values of pennies, nickels, and dimes
Lesson 3:  How Much Money?		1. Count money - pennies, nickels, and dimes only 2. Equivalent amounts of money - pennies, nickels, and dimes
Lesson 3:  How Much Money?
1. Count money - pennies, nickels, and dimes only 2. Equivalent amounts of money - pennies, nickels, and dimes
Lesson 4:  Discovering Coins (Part 2)		1. Names and values of common coins 2. Count money - groups of like coins 3. Count money up to $1
Lesson 4:  Discovering Coins (Part 2)
1. Names and values of common coins 2. Count money - groups of like coins 3. Count money up to $1
Lesson 5:  The Toy Stand		1. Equivalent amounts of money up to $1
Lesson 5:  The Toy Stand
1. Equivalent amounts of money up to $1
Lesson 6:  The Craft Stand at the Block Party		1. Add money up to $1: word problems 2. Do you have enough money? - up to $5 3. How much more to make a dollar? Also consider: • Add and subtract money up to $1 • Correct amount of change
Lesson 6:  The Craft Stand at the Block Party
1. Add money up to $1: word problems 2. Do you have enough money? - up to $5 3. How much more to make a dollar? Also consider: • Add and subtract money up to $1 • Correct amount of change
Sub-Unit 2 - Subtracting Within 100
Lesson 7:  Subtracting Your Way		1. Use models to subtract a one-digit number from a two-digit number - with regrouping 2. Break apart a one-digit number to subtract Also consider: • Subtract a multiple of ten from a two-digit number
Lesson 7:  Subtracting Your Way
1. Use models to subtract a one-digit number from a two-digit number - with regrouping 2. Break apart a one-digit number to subtract Also consider: • Subtract a multiple of ten from a two-digit number
Lesson 8:  Hungry for Honey Cakes		1. Subtract a one-digit number from a two-digit number - with regrouping
Lesson 8:  Hungry for Honey Cakes
1. Subtract a one-digit number from a two-digit number - with regrouping
Lesson 9:  What's the Difference?		1. Use models to subtract two-digit numbers - with regrouping 2. Subtract two-digit numbers - with regrouping
Lesson 9:  What's the Difference?
1. Use models to subtract two-digit numbers - with regrouping 2. Subtract two-digit numbers - with regrouping
Lesson 10:  What's Your First Move?		1. Use place value to subtract two-digit numbers - with regrouping 2. Break apart a two-digit number to subtract
Lesson 10:  What's Your First Move?
1. Use place value to subtract two-digit numbers - with regrouping 2. Break apart a two-digit number to subtract
Lesson 11:  Subtraction Choices		1. Subtract two-digit numbers Also consider: • Addition and subtraction word problems - up to 100
Lesson 11:  Subtraction Choices
1. Subtract two-digit numbers Also consider: • Addition and subtraction word problems - up to 100
Lesson 12:  Solve the Puzzle		1. Complete the addition or subtraction sentence - up to 100 2. Use compensation to subtract - up to two digits 3. Use compensation to add - up to two digits
Lesson 12:  Solve the Puzzle
1. Complete the addition or subtraction sentence - up to 100 2. Use compensation to subtract - up to two digits 3. Use compensation to add - up to two digits
Sub-Unit 3 - Adding and Subtracting to Compare
Lesson 13:  Community Comparisons		1. Comparison word problems - up to 20
Lesson 13:  Community Comparisons
1. Comparison word problems - up to 20
Lesson 14:  Comparing with Kyle
Lesson 14:  Comparing with Kyle
Lesson 15:  Library Comparisons
Lesson 15:  Library Comparisons
Lesson 16:  Problem Palooza		1. Comparing numbers up to 100: word problems
Lesson 16:  Problem Palooza
1. Comparing numbers up to 100: word problems
Sub-Unit 4 - Solving One- and Two-Step Story Problems
Lesson 17:  Brace Yourselves		1. Use models to solve addition and subtraction word problems - up to 100
Lesson 17:  Brace Yourselves
1. Use models to solve addition and subtraction word problems - up to 100
Lesson 18:  Unit in the Community
Lesson 18:  Unit in the Community
Lesson 19:  Mrs. Hernández's Farm
Lesson 19:  Mrs. Hernández's Farm
Lesson 20:  Even Heroes Have Problems
Lesson 20:  Even Heroes Have Problems
Lesson 21:  Solving It Your Way		1. Two-step addition and subtraction word problems - up to 100
Lesson 21:  Solving It Your Way
1. Two-step addition and subtraction word problems - up to 100
Lesson 22:  Story Problems Galore		1. Match addition and subtraction word problems to equations - up to 100
Lesson 22:  Story Problems Galore
1. Match addition and subtraction word problems to equations - up to 100

3	Unit 2.3 Measuring Length
Sub-Unit 1 - Measuring in Standard Units
Lesson 1:  Investigate: Orson's Costumes		1. Measure length with objects
Lesson 1:  Investigate: Orson's Costumes
1. Measure length with objects
Lesson 2:  Which Tool Will You Use?		1. Measure length with cubes
Lesson 2:  Which Tool Will You Use?
1. Measure length with cubes
Lesson 3:  What's the Difference?		1. Measure using a centimeter ruler
Lesson 3:  What's the Difference?
1. Measure using a centimeter ruler
Lesson 4:  About How Long Is It?		1. Measure to compare length in centimeters
Lesson 4:  About How Long Is It?
1. Measure to compare length in centimeters
Lesson 5:  A New Length Unit		1. Which metric unit of length is appropriate? 2. Measure with different metric units Also consider: • Choose the best measuring tool: metric units of length
Lesson 5:  A New Length Unit
1. Which metric unit of length is appropriate? 2. Measure with different metric units Also consider: • Choose the best measuring tool: metric units of length
Lesson 6:  Lengths of Jungle Animals		1. Metric units of length: word problems 2. Compare lengths: metric units
Lesson 6:  Lengths of Jungle Animals
1. Metric units of length: word problems 2. Compare lengths: metric units
Sub-Unit 2 - Measuring in Inches and Feet
Lesson 7:  It's Customary		1. Measure using an inch ruler Also consider: • Measure length with inch cubes
Lesson 7:  It's Customary
1. Measure using an inch ruler Also consider: • Measure length with inch cubes
Lesson 8:  How Many Inches?		1. Measure to compare length in inches
Lesson 8:  How Many Inches?
1. Measure to compare length in inches
Lesson 9:  Another New Length Unit		1. Which customary unit of length is appropriate: inches or feet? 2. Measure with different customary units: inches and feet Also consider: • Choose the best measuring tool: customary units of length
Lesson 9:  Another New Length Unit
1. Which customary unit of length is appropriate: inches or feet? 2. Measure with different customary units: inches and feet Also consider: • Choose the best measuring tool: customary units of length
Lesson 10:  Desperate Times, Desperate Measures
Lesson 10:  Desperate Times, Desperate Measures
Lesson 11:  Almost Showtime		1. Compare lengths: customary units
Lesson 11:  Almost Showtime
1. Compare lengths: customary units
Lesson 12:  Measurement Mishaps		1. Customary units of length: word problems
Lesson 12:  Measurement Mishaps
1. Customary units of length: word problems
Sub-Unit 3 - Creating Line Plots
Lesson 13:  Messy Measurements
Lesson 13:  Messy Measurements
Lesson 14:  Bracelets and Wristbands		1. Create line plots
Lesson 14:  Bracelets and Wristbands
1. Create line plots
Lesson 15:  Choosing a Bookshelf		1. Interpret line plots
Lesson 15:  Choosing a Bookshelf
1. Interpret line plots

4	Unit 2.4 Addition and Subtraction on the Number Line
Sub-Unit 1 - The Structure of the Number Line
Lesson 1:  Investigate: Where Am I?		1. Number lines - up to 20
Lesson 1:  Investigate: Where Am I?
1. Number lines - up to 20
Lesson 2:  Time to Line Up!		1. Number lines - up to 30
Lesson 2:  Time to Line Up!
1. Number lines - up to 30
Lesson 3:  What's That Number?		1. Number lines - up to 100
Lesson 3:  What's That Number?
1. Number lines - up to 100
Lesson 4:  Greater Than, Less Than, or Equal to		1. Comparing numbers up to 100
Lesson 4:  Greater Than, Less Than, or Equal to
1. Comparing numbers up to 100
Lesson 5:  In Full Bloom		1. Place numbers on number lines - up to 1,000
Lesson 5:  In Full Bloom
1. Place numbers on number lines - up to 1,000
Sub-Unit 2 - Adding and Subtracting on the Number Line
Lesson 6:  Don't Let the Bug Get Away!		1. Add by counting on - sums to 20 2. Subtract by counting back - up to 20
Lesson 6:  Don't Let the Bug Get Away!
1. Add by counting on - sums to 20 2. Subtract by counting back - up to 20
Lesson 7:  Jump Around		1. Addition sentences using number lines - sums to 20 2. Subtraction sentences using number lines - up to 20
Lesson 7:  Jump Around
1. Addition sentences using number lines - sums to 20 2. Subtraction sentences using number lines - up to 20
Lesson 8:  Arrows Forward and Back		1. Use number lines to add two-digit numbers 2. Use number lines to subtract two-digit numbers
Lesson 8:  Arrows Forward and Back
1. Use number lines to add two-digit numbers 2. Use number lines to subtract two-digit numbers
Lesson 9:  A Hop, Skip, and a Jump Away		1. Addition and subtraction sentences using number lines - up to 20 2. Use number lines to add and subtract two-digit numbers
Lesson 9:  A Hop, Skip, and a Jump Away
1. Addition and subtraction sentences using number lines - up to 20 2. Use number lines to add and subtract two-digit numbers
Lesson 10:  The Space Between		1. Subtract by counting on - up to 20 2. Count on to subtract two-digit numbers
Lesson 10:  The Space Between
1. Subtract by counting on - up to 20 2. Count on to subtract two-digit numbers
Lesson 11:  Showing Strategies
Lesson 11:  Showing Strategies
Lesson 12:  Where Are the Tick Marks?
Lesson 12:  Where Are the Tick Marks?
Lesson 13:  Friends of Seeds		1. Use number lines to add and subtract two-digit numbers
Lesson 13:  Friends of Seeds
1. Use number lines to add and subtract two-digit numbers

5	Unit 2.5 Numbers to 1,000
Sub-Unit 1 - The Value of Three Digits
Lesson 1:  Investigate: A Mistake in Mom's Office
Lesson 1:  Investigate: A Mistake in Mom's Office
Lesson 2:  What Makes a Hundred?		1. Place value models - 100 to 120
Lesson 2:  What Makes a Hundred?
1. Place value models - 100 to 120
Lesson 3:  Looking for Patterns		1. Convert between place values - tens and hundreds
Lesson 3:  Looking for Patterns
1. Convert between place values - tens and hundreds
Lesson 4:  What's the Value?		1. Place value models up to hundreds: find the model 2. Convert between place values - ones, tens, and hundreds
Lesson 4:  What's the Value?
1. Place value models up to hundreds: find the model 2. Convert between place values - ones, tens, and hundreds
Lesson 5:  Mail Call!		1. Place value models - up to hundreds 2. Value of a digit - up to hundreds 3. Identify a digit up to the hundreds place
Lesson 5:  Mail Call!
1. Place value models - up to hundreds 2. Value of a digit - up to hundreds 3. Identify a digit up to the hundreds place
Lesson 6:  A New Representation		1. Convert from expanded form - up to hundreds 2. Convert to/from a number - up to hundreds
Lesson 6:  A New Representation
1. Convert from expanded form - up to hundreds 2. Convert to/from a number - up to hundreds
Lesson 7:  What's Your Name?		1. Writing numbers up to 1,000 in words - convert words to digits 2. Writing numbers up to 1,000 in words - convert digits to words
Lesson 7:  What's Your Name?
1. Writing numbers up to 1,000 in words - convert words to digits 2. Writing numbers up to 1,000 in words - convert digits to words
Lesson 8:  All the Ways!		1. Convert between standard and expanded form
Lesson 8:  All the Ways!
1. Convert between standard and expanded form
Sub-Unit 2 - Comparing and Ordering Numbers Within 1,000
Lesson 9:  Helping in the Mailroom		1. Comparing numbers up to 1,000
Lesson 9:  Helping in the Mailroom
1. Comparing numbers up to 1,000
Lesson 10:  Down to the Digit
Lesson 10:  Down to the Digit
Lesson 11:  Where Should Ms. Morales Go?
Lesson 11:  Where Should Ms. Morales Go?
Lesson 12:  First Day Mail Delivery		1. Put numbers up to 1,000 in order
Lesson 12:  First Day Mail Delivery
1. Put numbers up to 1,000 in order

6	Unit 2.6 Geometry and Time
Sub-Unit 1 - Attributes of Shapes
Lesson 1:  Investigate: We're Going on a Shape Hunt!
Lesson 1:  Investigate: We're Going on a Shape Hunt!
Lesson 2:  What Shape Is This?		1. Name polygons: up to 6 sides 2. Classify polygons: up to 6 sides 3. Sort two-dimensional shapes 4. Count sides and vertices
Lesson 2:  What Shape Is This?
1. Name polygons: up to 6 sides 2. Classify polygons: up to 6 sides 3. Sort two-dimensional shapes 4. Count sides and vertices
Lesson 3:  Artists Like Arjun
Lesson 3:  Artists Like Arjun
Lesson 4:  Frame It!		1. Draw polygons
Lesson 4:  Frame It!
1. Draw polygons
Lesson 5:  Measure It, Draw It		1. Equal sides 2. Square corners
Lesson 5:  Measure It, Draw It
1. Equal sides 2. Square corners
Lesson 6:  More to Measure
Lesson 6:  More to Measure
Lesson 7:  Exploring a New Dimension		1. Select three-dimensional shapes 2. Name the three-dimensional shape 3. Identify faces of three-dimensional shapes 4. Three-dimensional shapes in the real world I Also consider: • Count faces of three-dimensional shapes
Lesson 7:  Exploring a New Dimension
1. Select three-dimensional shapes 2. Name the three-dimensional shape 3. Identify faces of three-dimensional shapes 4. Three-dimensional shapes in the real world I Also consider: • Count faces of three-dimensional shapes
Sub-Unit 2 - Halves, Thirds, and Fourths
Lesson 8:  Let's Share!		1. Make halves 2. Make thirds 3. Make fourths 4. Identify halves, thirds, and fourths
Lesson 8:  Let's Share!
1. Make halves 2. Make thirds 3. Make fourths 4. Identify halves, thirds, and fourths
Lesson 9:  Plenty to Go Around		1. Make halves, thirds, and fourths
Lesson 9:  Plenty to Go Around
1. Make halves, thirds, and fourths
Lesson 10:  Arjun's Equal-Part Art!		1. Make halves, thirds, and fourths in different ways 2. Equal parts
Lesson 10:  Arjun's Equal-Part Art!
1. Make halves, thirds, and fourths in different ways 2. Equal parts
Lesson 11:  Sharing the Whole Thing		1. Identify a half, a third, and a fourth
Lesson 11:  Sharing the Whole Thing
1. Identify a half, a third, and a fourth
Sub-Unit 3 - Time on the Clock
Lesson 12:  What Time Is It?		1. Time words: o'clock, half, quarter 2. Match analog clocks and times to 15 minutes 3. Elapsed time word problems: find the end time
Lesson 12:  What Time Is It?
1. Time words: o'clock, half, quarter 2. Match analog clocks and times to 15 minutes 3. Elapsed time word problems: find the end time
Lesson 13:  Hop Around the Clock (Part 1)		1. Read clocks and write times 2. Match analog clocks and times
Lesson 13:  Hop Around the Clock (Part 1)
1. Read clocks and write times 2. Match analog clocks and times
Lesson 14:  Hop Around the Clock (Part 2)
Lesson 14:  Hop Around the Clock (Part 2)
Lesson 15:  Is It a.m. or p.m.?		1. A.M. or P.M.
Lesson 15:  Is It a.m. or p.m.?
1. A.M. or P.M.
Lesson 16:  Exploring Calendars (Optional)		1. Read a calendar II
Lesson 16:  Exploring Calendars (Optional)
1. Read a calendar II

7	Unit 2.7 Adding and Subtracting Within 1,000
Sub-Unit 1 - Adding Within 1,000 Using Place Value Strategies
Lesson 1:  Investigate: Rebuilding the River Rock Bridge
Lesson 1:  Investigate: Rebuilding the River Rock Bridge
Lesson 2:  Turtle Hurdles		1. Add 10 or 100 to a three-digit number
Lesson 2:  Turtle Hurdles
1. Add 10 or 100 to a three-digit number
Lesson 3:  There's Something About Berries		1. Use models to add three-digit numbers - without regrouping 2. Addition with three-digit numbers - without regrouping
Lesson 3:  There's Something About Berries
1. Use models to add three-digit numbers - without regrouping 2. Addition with three-digit numbers - without regrouping
Lesson 4:  Baking With Skunk		1. Use models to add three-digit numbers - regroup tens and ones 2. Use models to add three-digit numbers - regroup tens or ones
Lesson 4:  Baking With Skunk
1. Use models to add three-digit numbers - regroup tens and ones 2. Use models to add three-digit numbers - regroup tens or ones
Lesson 5:  Beaver's Sculpture Garden		1. Use models to add three-digit numbers - with regrouping 2. Addition with three-digit numbers - with regrouping 3. Use expanded form to add three-digit numbers - with regrouping 4. Addition with three-digit numbers 5. Complete the addition sentence - up to three digits
Lesson 5:  Beaver's Sculpture Garden
1. Use models to add three-digit numbers - with regrouping 2. Addition with three-digit numbers - with regrouping 3. Use expanded form to add three-digit numbers - with regrouping 4. Addition with three-digit numbers 5. Complete the addition sentence - up to three digits
Lesson 6:  Sorting Addition Expressions		1. Write the addition sentence - up to three digits
Lesson 6:  Sorting Addition Expressions
1. Write the addition sentence - up to three digits
Lesson 7:  Working With Others
Lesson 7:  Working With Others
Lesson 8:  Asking for Help		1. Use expanded form to add three-digit numbers
Lesson 8:  Asking for Help
1. Use expanded form to add three-digit numbers
Sub-Unit 2 - Subtracting Within 1,000 Using Place Value Strategies
Lesson 9:  Don't Worry, Bea's Happy		1. Subtract a multiple of 10 or 100 from a three-digit number
Lesson 9:  Don't Worry, Bea's Happy
1. Subtract a multiple of 10 or 100 from a three-digit number
Lesson 10:  Counting Quills		1. Use models to subtract from three-digit numbers - without regrouping 2. Subtract from three-digit numbers - without regrouping 3. Subtract two-digit numbers from three-digit numbers - without regrouping
Lesson 10:  Counting Quills
1. Use models to subtract from three-digit numbers - without regrouping 2. Subtract from three-digit numbers - without regrouping 3. Subtract two-digit numbers from three-digit numbers - without regrouping
Lesson 11:  How Many Leaves?
Lesson 11:  How Many Leaves?
Lesson 12:  Bea's Journey		1. Complete the subtraction sentence - up to three digits 2. Subtract across zeros 3. Use models to subtract from three-digit numbers - with regrouping 4. Subtract from three-digit numbers - with regrouping
Lesson 12:  Bea's Journey
1. Complete the subtraction sentence - up to three digits 2. Subtract across zeros 3. Use models to subtract from three-digit numbers - with regrouping 4. Subtract from three-digit numbers - with regrouping
Lesson 13:  Frog's Funplex		1. Write the subtraction sentence - up to three digits
Lesson 13:  Frog's Funplex
1. Write the subtraction sentence - up to three digits
Lesson 14:  Pond Games
Lesson 14:  Pond Games
Lesson 15:  Sharing Ideas		1. Subtract from three-digit numbers
Lesson 15:  Sharing Ideas
1. Subtract from three-digit numbers
Sub-Unit 3 - Choosing Strategies to Add and Subtract Within 1,000
Lesson 16:  Replacing Eli's Quills		1. Add three numbers up to two digits each 2. Add four numbers up to two digits each 3. Addition word problems - three numbers up to two digits each
Lesson 16:  Replacing Eli's Quills
1. Add three numbers up to two digits each 2. Add four numbers up to two digits each 3. Addition word problems - three numbers up to two digits each
Lesson 17:  Bea's Beads		1. Addition with three-digit numbers 2. Use compensation to add - up to three digits Also consider: • Addition word problems - up to three digits
Lesson 17:  Bea's Beads
1. Addition with three-digit numbers 2. Use compensation to add - up to three digits Also consider: • Addition word problems - up to three digits
Lesson 18:  Bye-Bye Beads		1. Subtract from three-digit numbers 2. Use compensation to subtract - up to three digits Also consider: • Subtraction word problems - up to three digits
Lesson 18:  Bye-Bye Beads
1. Subtract from three-digit numbers 2. Use compensation to subtract - up to three digits Also consider: • Subtraction word problems - up to three digits
Lesson 19:  Don't Forget to Double Check, Bea!		1. Estimate sums 2. Estimate differences
Lesson 19:  Don't Forget to Double Check, Bea!
1. Estimate sums 2. Estimate differences

8	Unit 2.8 Equal Groups
Sub-Unit 1 - Odd and Even
Lesson 1:  Investigate: Organizing Teams		1. Count equal groups
Lesson 1:  Investigate: Organizing Teams
1. Count equal groups
Lesson 2:  Can You Share?
Lesson 2:  Can You Share?
Lesson 3:  Everybody, Find A Partner!
Lesson 3:  Everybody, Find A Partner!
Lesson 4:  Is It Even or Odd?		1. Even or odd number of shapes - up to 20
Lesson 4:  Is It Even or Odd?
1. Even or odd number of shapes - up to 20
Lesson 5:  Can They Play?		1. Identify even and odd numbers - up to 20 2. Addition sentences for even and odd numbers Also consider: • Select even and odd numbers - up to 100
Lesson 5:  Can They Play?
1. Identify even and odd numbers - up to 20 2. Addition sentences for even and odd numbers Also consider: • Select even and odd numbers - up to 100
Lesson 6:  Pointing Out Patterns
Lesson 6:  Pointing Out Patterns
Lesson 7:  Playing Hopscotch		1. Skip-count by twos, fives, and tens
Lesson 7:  Playing Hopscotch
1. Skip-count by twos, fives, and tens
Sub-Unit 2 - Rectangular Arrays
Lesson 8:  Arranging Equipment
Lesson 8:  Arranging Equipment
Lesson 9:  Balloon Pop		1. Identify repeated addition for arrays - sums to 10
Lesson 9:  Balloon Pop
1. Identify repeated addition for arrays - sums to 10
Lesson 10:  Arrays Around the House		1. Write addition sentences for arrays - sums to 25
Lesson 10:  Arrays Around the House
1. Write addition sentences for arrays - sums to 25
Lesson 11:  Clementine Court Community Day		1. Write addition sentences for arrays in two ways
Lesson 11:  Clementine Court Community Day
1. Write addition sentences for arrays in two ways
Lesson 12:  Arrays and Rectangles		1. Tile a rectangle with squares 2. Count the number of squares in a rectangle
Lesson 12:  Arrays and Rectangles
1. Tile a rectangle with squares 2. Count the number of squares in a rectangle
Lesson 13:  Picture This!		1. Tile a rectangle with squares
Lesson 13:  Picture This!
1. Tile a rectangle with squares

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