Page 24 - 新思维数学学生用书4 样章

1.3 Understanding place value

Continued

7 Martha scored 1646 points in a computer game.

Which of the following is not a correct representation of her score?

a 1000 + 600 + 40 + 6 b 1000 + 600 + 46
c 1000 + 606 + 4 d 1000 + 606 + 40

8 Which of these numbers is 100 times larger than five hundred and

fifty-five?

555 5550 55 500 555 000

9 Copy and complete these number sentences.
a ÷ 10 = 54

b 307 × = 3070

c × 100 = 6000

d 3400 ÷ = 34

10 a What temperature is 5 ° warmer than −1 °C?
b What temperature is 10 ° cooler than 0 °C?

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