Semester 1: Cambridge maths essentials Yr7

Semester review 1

338

Semester review 1

Whole numbers
Multiple-choice questions
1 Using numerals, thirty-five thousand, two hundred and six is:
A 350 260
B 35 260
C 35 000 206 D 3526

E 35 206

2 The place value of 8 in 2 581 093 is:
A 8 thousand B 80 thousand C 8 hundred

D 8 tens

E 8 ones

3 The remainder when 23 650 is divided by 4 is:
A 0
B 4
C 1

D 2

E 3

4 18 - 3 × 4 + 5 simplifies to:
B 135
A 65

C 11

D 1

E 20

5 800 ÷ 5 × 4 is the same as:
B 800 ÷ 20
A 160 × 4

C 800 ÷ 4 × 5 D 40

E 4 × 5 ÷ 800

Short-answer questions
1 Write the number seventy-four in: a Babylonian numerals b Roman numerals c Egyptian numerals
2 Write the numeral for: a 6 × 10 000 + 7 × 1000 + 8 × 100 + 4 × 10 + 9 × 1 b 7 × 100 000 + 8 × 100 + 5 × 10
3 Calculate: a 96 481 + 2760 + 82 d 980 × 200

b 10 963 - 4096 e 4932 ÷ 3

4 State whether each of the following is true or false. a 18 < 20 - 2 × 3 b 9 × 6 > 45

c 147 × 3 f 9177 ÷ 12 c 23 = 40 ÷ 2 + 3

5 How much more than 17 × 18 is 18 × 19?
6 Calculate: a 7 × 6 - 4 × 3 d 16 × [14 - (6 - 2)]

b 8 × 8 - 16 ÷ 2 e 24 ÷ 6 × 4

7 State whether each of the following is true or false. a 4 × 25 × 0 = 1000 b 0 ÷ 10 = 0 d 8 × 7 = 7 × 8 e 20 ÷ 4 = 20 ÷ 2 ÷ 2

c 12 × (6 - 2) f 56 - (7 - 5) × 7 c 8 ÷ 0 = 0 f 8 + 5 + 4 = 8 + 9

8 Insert brackets to make 18 × 7 + 3 = 18 × 7 + 18 × 3 true.
9 How many times can 15 be subtracted from 135 before an answer of zero occurs?

ISBN 978-0-521-16627-0
© David Greenwood, Franca Frank, Jenny Goodman, Bryn Humberstone, Justin Robinson, Jennifer Vaughan 2010
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Cambridge University Press

Semester review 1

10 Write 3 859 643 correct to the nearest: a 10 b thousand

339

c million

Extended-response