Page 21 - 新思维数学活动用书3 样章
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1 Numbers to 1000
11 Follow the rounding instructions.
What do you notice about the results of rounding to 100?
323 645 809
Round to
952 216 448
nearest 10
747 558 178
Round to nearest 100 Round to nearest 100
12 In a shop, all prices are rounded to the nearest $10.
Would all the customers be happy about the changes in price?
Explain your answer.
20
