Curriculum>Grade 2> Module 4>Topic E: Column Subtraction with Exchanging into the Hundreds

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Students will solve more 2- and 3-digit column subtraction equations within 200 by making exchanges from both the 100s and 10s. Students are prompted to consider if they can subtract each column as is first, then determine if an exchange is necessary

A. Solve 2- and 3-digit column subtraction equations by exchanging 100 for 10 tens to solve

B. Solve more 2- and 3-digit column subtraction equations by exchanging 100 for 10 tens with or without prompts

C. Solve 2- and 3- digit column subtraction equations with and without exchanging into the hundreds

D. Solve 2- and 3-digit column subtraction equations that require making exchanges into the hundreds and tens, with prompts

F. Solve 2- and 3-digit column subtraction equations with and without exchanging into the hundreds and tens