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Oak MathsTest · Maths

Problem solving with percentages and proportionality

The starter and exit quiz of the lesson “Problem solving with percentages and proportionality”, from the unit “Understanding multiplicative relationships: percentages and proportionality” (Year 8 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. Two variables are inversely proportional if there is a ___ multiplicative relationship between one variable and the reciprocal of the other.
  2. Which of the following is a graph representing inverse proportion?
  3. Which of the following situations illustrate an inversely proportional relationship?
  4. A and B are inversely proportional. The missing value is ___.
  5. A and B are inversely proportional. The missing value is ___.
  6. It takes 3 people 4 days to build a wall. It should take 2 people ___ days to build the same wall.
  7. Variables which are in proportion share a __________ relationship.
  8. Here is part of a larger shape. Which of the following could be the whole shape?
  9. If 100% = 45, 130% = 58.5 then the percentage change is ___%.
  10. Calculate the percentage profit on a watch bought for £40 and sold for £50.
  11. Calculate the percentage loss on a mobile phone bought for £300 and sold for £240.
  12. A, B and C are 3 different numbers. C is two-fifths of B. C is 3 times A. The total of A & C is 32. The value of B is ___.

License: OGL

Problem solving with percentages and proportionality · Examplary