What is 573 − 58?
2
100
100
100
100
100
10
10
10
10
10
10
10
1
1
1
3 Use estimates and reasoning to help find the correct solution each time. (a) 584 − 36 = 548 584 − 36 = 542 (b) 761 − 54 = 697 761 − 54 = 707 (c) 453 − 45 = 408 453 − 45 = 418
Look at Leon’s subtraction. Explain the mistake he has made.
4
352 – 28 = 300 – 0 = 50 – 20 = 8 – 2 = 300 + 30 + 6 =
300 30 6 336
What do you need to tell Leon about subtracting?
E
Use these digit cards to make different subtractions.
2
0 4
H
T
O
T
O
−
9 5
What is the smallest answer you can make? What is the largest answer? Explain your thinking.
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03/05/2022 10:19
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