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Math Gym
Subtraction Guide

Subtraction Level 11: 3d - 2d (no borrow). visible-place subtraction.

1. Release hundreds

1. Release hundredsRead one place; drop one digit.
answer strip
7 - 0 = 7; drop 7.

2. Release tens

2. Release tens
answer strip
6 - 3 = 3; drop 3.

3. Release ones

3. Release ones
answer strip
4 - 2 = 2; drop 2.