UNIT 39–2 Your Score ✓ 1
1. Solve these.
2
3
4
5
(a) 10 x 23 =
(b) 10 x 49 =
(c) 10 x 96 =
(d) 10 x 58 =
(e) 10 x 66 =
(f) $540 ÷ 9 =
(g) $160 ÷ 4 =
(h) $200 ÷ 5 =
(i) $240 ÷ 3 =
(j) $350 ÷ 7 =
6
7
8
9
10
2. Choose a form of calculation to complete some or all of the following calculations. Mental
Written
r o e t s Bo r e p ok u S Calculator
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ew i ev Pr
Teac he r
(a) 2 1 6 . 5 L (b) 2 4 6 . 8 L (c) 4 5 8 . 9 L (d) 2 7 5 . 8 L (e) 4 3 8 . 7 L (f) 2 1 7 . 6 L 112.2L 332.5L 131.3L 242.7L 194.1L 281.5L +3 9 5 . 7 L +2 5 7 . 7 L +276.5L +3 8 6 . 5 L +2 5 2 . 6 L +3 9 1 . 7 L
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3. Use the four digits 7, 2, 3 and 9 to make as many different whole numbers as you can.
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How many did you find?
What is the difference between them?
–
=
(a) 674
(b) 48 372 (c) 79 864 (d) 3 874 691
. te
(k) 6428
o c . che e (m) 4762 r o t r s super (n) 83 416 (l) 53 764
N3.1a—Read and write numbers into the thousands.
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4. Write the total value of the digit underlined in each number.
m . u
Circle the largest and smallest numbers you made.
(e) 8938 (f) 4326 (g) 8724 (h) 4726
By removing four toothpicks, leave the remaining toothpicks to show five squares.
(i) 59 481 (j) 6 438 275 • 116 • New Wave Maths for WA Book E
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