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10 cards from this deck
Splitting a number into smaller, manageable parts
(30+7)×8=240+56=296(30+7) \times 8 = 240 + 56 = 296(30+7)×8=240+56=296
Think: what number ×\times× divisor = dividend?
999 (because 6×9=546 \times 9 = 546×9=54)
Up to 10×1010 \times 1010×10
Right to left
Divide, multiply, subtract (systematically)
Use inverse operations
Earn marks for method even if final answer wrong
36×4=14436\times4=14436×4=144, 36×20=72036\times20=72036×20=720, add: 864864864
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