1. (a) Round off 35 689
to the nearest thousand.
(b) Write ‘Three
thousand five hundred and sixty-nine’ in numerals.
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2. (a) 295 + 82 × 3 (b) 45 x 67
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3. (a) List all the
factors of 28
(b) List all the
prime numbers between 15 and 40
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4. (a) 208 ÷ 8 + 6 × 9 –
12 (b) 456 - 9 - 99
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5. Pak Abu collected 474 durians from his orchard. He divided the durians equally into 6 large baskets. How many durians are there in each basket?
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6. Find the Lowest common multiple (LCM) of 14, 18 and 24.
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7. Calculate the highest common factor (HCF) of 20 and 36.
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8. (i) Complete the
number sequence below.
2, 7,____a___,
17, ____b___, 27.
(ii) Find the
value of a + b.
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9. (a) 9 × (14 – 8) ÷ 2 (b) 15 + 25 x 50 – 25
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10. In a class of 30 students, 16 are girls. Later when 15 more students join the class, 9 of them are girls. How many boys are
there in the class altogether?
11. (a) List the first six
multiple of 3 and 6.
(b) List all the
common multiple of 3 and 6.
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12. Find the common factors of 10 and 18.
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13. (a) Find all factors of
12 and 20.
(b) Find all the
common factors of 12 and 20.
(d) Find the sum
of all the common factors of 12 and 20.
14. (a) Find the LCM of 6
and 15.
(b) Find the HCF
of 6 and 15.
(c) Calculate the
product of the LCM and the HCF of 6 and 15.
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