Curriculum>Grade 2> Module 5>Topic C: 3-Digit Column Subtraction

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Practice subtracting three-digit numbers that require more than one regrouping using the standard algorithm

A. Solve 3-digit column subtraction with exchanging with and without using a disk model

C. Model 2-step exchanges in subtraction problems using a disk model

D. Solve 3-digit column subtraction with 2-step exchanges with and without using a disk model

E. Solve 3-digit column subtraction with 2-step exchanges