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Find 10 more or 10 less than a 2-digit number mentally | 1st Grade Worksheets
Help prepare your pupils to mentally find 10 more or 10 less than a 2 digit number, without counting and also see the link to addition and subtraction of 10. The visuals aids used are: The 100 number squareThe 100 square is a powerful visual tool that helps students develop a conceptual understanding of place value and the mechanics of adding or subtracting 10. Its structure highlights the pattern that '10 more' or '10 less' simply moves you from any given number up or down a row. DienesWith
1st
Basic Operations, Math, Mental Math
CCSS
1.NBT.C.5
Also included in: Add Subtract 10 or multiples of 10 within 100 | 1st Grade Math BUNDLE
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