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Oak MathsTest · Maths

Combining ratios

The starter and exit quiz of the lesson “Combining ratios”, from the unit “Ratio” (Year 10 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. LCM is an abbreviation for lowest common ___.
  2. What is the ratio of hearts : smileys?
  3. What is the HCF of 24 and 18?
  4. What is the ratio of hearts : smileys? (Give your answer in its simplest form)
  5. What is the LCM of 4 and 6?
  6. Match each ratio to an equivalent ratio.
  7. What is LCM an abbreviation for?
  8. Given these bar models, what is the ratio of hearts to suns?
  9. Given that squares : circles = 4 : 3 and circles : triangles = 1 : 5, find the ratio of squares : triangles.
  10. a : b = 2 : 5, b : c = 6 : 7. Find the ratio a : b : c
  11. A box contains 212 sweets which are either hearts (h), stars (s) or bottles (b). The ratio of hearts to stars is 5 : 3. The ratio of stars to bottles is 4 : 7. How many stars are in the box?
  12. b = 4a, c = 5b, find the ratio of a : c

License: OGL

Combining ratios · Examplary