Ousha is subtracting 54 - 19. She wants to decompose 19 to help her find the difference. Which pair of numbers can Ousha use to subtract 54 - 19?, 50 and 4, 10 and 9 , 10 and 4 , 50 and 9 , Shamma wanted to subtract 35 from 82. Look at her working out, what do you think the missing number?, 80 + 2 , 70 + 2 , 70 + 12 , 80 + 12 , 87 - 59 = ? How cam you decompose the second number?, 80 and 7 , 50 and 9, 80 and 9, 50 and 7.

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