Unit 3 – Addition and subtraction
Copy and complete. (a)
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(b)
(c)
85 − 40 = 85 − 43 = 185 − 43 = 185 − 44 =
72 − 30 = 72 − 31 = 272 − 31 = 372 − 31 =
96 − 60 = 96 − 64 = 396 − 64 = 596 − 66 =
2 Use estimates and reasoning to help find the correct solution each time. (a) 274 − 50 = 214 274 − 50 = 224 (b) 365 − 64 = 301 365 − 64 = 291 (c) 458 − 44 = 424 458 − 44 = 414 3 Carl cycles 485 metres. Winston cycles 52 metres less than Carl. How far does Winston cycle? metres
E
Letisha has 285 cents in her money box. She spends some 10 cent coins at the shop and gets no change. Letisha still has more than $1 in her money box.
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03/05/2022 10:18
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