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Oak MathsTest · Maths

Lowest common multiple

The starter and exit quiz of the lesson “Lowest common multiple”, from the unit “Properties of number: factors, multiples, squares and cubes” (Year 7 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. Complete the statement. A number that is a multiple of two or more numbers is called a ___ multiple.
  2. Match each number with its first four multiples.
  3. Which of the following is a factor of 2^3\times3^4\times5^2 and of 2^3\times3^5\times5?
  4. Select the correct statements.
  5. The HCF of 84, 180 and 120 is ___.
  6. The HCF of 126, 945 and 189 is 63. The missing prime factor in the Venn diagram is ___.
  7. What does the L stand for in LCM?
  8. Which of the following is not a multiple of 2\times3^2\times5?
  9. Given that 12 = 2^2\times3, write 60 as a product of its prime factors.
  10. The LCM of 18 and 30 is ___
  11. The LCM of 70 and 42 is 210. So, the missing prime factor in the Venn diagram is ___
  12. The LCM of 12, 20 and 84 is ___

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Lowest common multiple · Examplary