IXL | Multiply 1-digit numbers by numbers with 2, 3, or 4 digits: word problems | 4th grade math

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Matthew did 3 sets of sit-ups. He did 21 sit-ups in each set. How many sit-ups did Matthew do in total?

sit-ups

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Not feeling ready yet? These can help:

H.16Multiply 1-digit numbers by 3-digit or 4-digit numbers

H.10Multiply 1-digit numbers by 2-digit numbers: word problems

Lesson: Multiplying by 1-digit numbers