Page 14 - 新思维数学活动用书6 样章
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1.2 Rounding decimal numbers
Exercise 1.2
Focus
1 Draw lines to show each number rounded to the nearest tenth.
The first one has been done for you.
rounds to
8.3
8.52
8.4
8.5
8.77
8.6
8.7
8.35
8.8
2 Draw a ring around all the numbers which equal 10 Tip
when rounded to the nearest whole number.
10.53 10.5 10.35 9.55 Remember
10.05 9.5 9.05 9.35 the numbers
could be less
3 a Round 7.81 to the nearest tenth. than 10 or
more than 10.
b Round 7.81 to the nearest whole number.
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