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Number and patterns quiz
FACTORS MULTIPLES PRIMES INDICES PRODUCT OF PRIMEs FACTORS LCM HCF
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1. Which number is a multiple of 3 and a factor of 24
A) 15 B) 9 C) 12 D) 18
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2. Numbers that have only 2 factors are called:
A) multiples B) prime C) factors D) index numbers
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3. 2,4,6,8… are examples of ________ of 2
A) multiples B) prime C) factors D) index numbers
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4. 1,2,5,10… are examples of ________ of 10
A) multiples B) prime C) factors D) index numbers
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5. Name a common multiple of 8 and 9
A) 18 B) 40 C) 24 D) 72
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6. What is the hcf of 24 and 36 A) 39 B) 24 C) 12 D) 5
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7. Write down: the factors of 8!
1,2,4,8
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8. Write down: the multiples of 8 between 10 and 30
16,24
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9. Write down: the prime numbers between 10 and 20!
11,13,17,19
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10. Write down: the number 2 x 2 X 2 X 2 IN INDEX FORM!
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11. Write down: the PRODUCT OF 11 AND 2
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12. Write down the hcf of 15 and 25!
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13. Write down the lcm of 12 and 8
24
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14. 36, 53 and 72 are multiples of 9 TRUE FALSE
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15. 12 is a common factor of 20 and 36
TRUE FALSE
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16. The value of 33 is 9 TRUE FALSE 3 x 3 x 3 = 27
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17. The prime factors of 99 are 9 and 11
TRUE FALSE 9 is not prime
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18. Express 32 as a product of prime factors in index form
2 x 2 x 2 x 2 x 2 = 25
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is a prime number TRUE FALSE
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Square, Triangular or Rectangular?
1, 3, 6, 10, 15 36, 64, 81 1, 4, 9, 16 12 27 Triangular Square Square Rectangular Rectangular
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