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?
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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.
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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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