Mental Math: Add Hundreds - Reteach 21.1

Build mental math skills and solid number sense with this worksheet. The class is asked to think of 200+500 as 2+5. There is a review and 6 problems to solve. 3+4!, I can do that in my head!

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Resource Details

Grade
2nd - 3rd
Subjects
Math
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Resource Types
Worksheets
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Usage Permissions
Fine Print