Curriculum>Grade 2> Module 1>Topic A: Foundations for Fluency with Sums and Differences Within 100

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Students will use base-10 cubes to model subtraction from a two-digit number. They will break the two-digit number into tens and ones and model subtraction by taking away from the ones place. Students will solve similar equations without models

A. Review addition facts with a sum of 10

B. Adding to groups of ten

C. Use models to practice addition equations with a one- and two-digit addend

D. Solve addition equations with a one- and two-digit addend

F. Solve subtraction equations with a one- and two-digit number

G. Add groups of ten to a two-digit number (Part 1)

H. Adding one- and two-digit numbers

I. Use models to solve subtraction equations with two-digit number

J. Add groups of ten to a two-digit number (Part 2)

K. Develop fluency with addition and subtraction of one- and two-digit numbers

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