Curriculum>Grade 1> Module 6>Topic B: Addition to 100 Using Place Value Understanding

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Students use place value charts and base-10 blocks to add two 2-digit numbers. They solve equations by adding ones to ones and tens to tens, then both together to find the total sum

A. Add tens numbers (Level 1)

B. Add tens numbers (Level 2)

C. Subtract tens numbers (Level 1)

D. Subtract tens numbers (Level 2)

E. Solve addition problems with 2-digit numbers and tens numbers (Level 1)

F. Solve addition problems with 2-digit numbers and tens numbers (Level 2)

H. Solve addition problems with two 2-digit numbers (Level 2)

I. Solve addition problems with two 2-digit numbers (Level 3)

J. Solve addition problems with two 2-digit numbers, including regrouping

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