Page 37 - 新思维数学学生用书4 样章

Project 2: Rolling clock

Project 2

Rolling clock

The picture shows a clock rolling down a slope.

Here are some pictures of different clocks that are on the slope.

What times do they show? How do you know?

9
9 10 11 12 6 7 8
5
4
8
6
10
7
8 5 9
7
11
3
1
6
8
7 4 10
2
12
2
6 3 3 11
5
1
1
9
A 12 11 10 B 4 3 2 C 5 4 D 2 1 12
Here are four more rotated clocks. They show 3 o’clock, 10 minutes past
10, 20 minutes to 4 and half past 11.
1 2 3 4
Which is which?
How do you know?

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