Page 9 - 新思维数学学生用书5 样章

1 The number system

Getting started

1 Use digits to write these numbers.
a Five thousand, two hundred and seventy-one.

b One hundred and nine thousand and ninety.

2 What is the value of the digit 6 in these numbers?
a 6703 b 9060 c 765 430

3 Copy and complete to decompose these numbers.

a 805 469 = + 5000 + + + 9

b 689 567 = 600 000 + + + 500 + +

4 Zara scored 649 points in a computer game.

Which of the following is not a correct way to show her score?

A 600 + 40 + 9 B 600 + 49

C 609 + 4 D 609 + 40

5 Which of these numbers is 100 times larger than three hundred and thirty-three?

A 333 B 3330

C 33 300 D 333 000

6 Write the missing numbers.

a ÷ 10 = 64 b 509 × = 5090

c × 100 = 8000 d 4400 ÷ = 44

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