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ADDING & SUBTRACTING NEAR-MULTIPLES
Add or subtract near-multiples like 99, 198, or 999 using easy adjustments.
L4L5
CS.N.3.2·Using calculation techniques with numbers 0–10000(III)CS.N.4.4·Using multiplication properties to simplify calculations(IV)
Section 1 / 3
LEADER TIP
Use 'adjust and compensate' language consistently: +99 = +100 then -1. Make it a class mantra.
BEFORE THIS LESSON, TRY
PRACTICE WITH THESE GAMES
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