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Oak MathsTest · Maths

Simple interest calculations

The starter and exit quiz of the lesson “Simple interest calculations”, from the unit “Percentages” (Year 10 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. Which statement is the equivalent of "Increase 76 by 30%"?
  2. If I increase £90 to £99, what is the percentage gain?
  3. If you invest £500 for three years and receive 2% simple interest each year, how much will you have at the end?
  4. If I increase £70 to £86.10, what is the percentage gain?
  5. Which statement is the equivalent of "Decrease 130 by 40%"?
  6. If I increase £80 to £86.40, what is the percentage gain?
  7. If I invest £400 over 3 years at 2% interest, I have £424. Is this simple or compound interest?
  8. If I invest £600 over 2 years at 2.5% interest, I have £630.38. Is this simple or compound interest?
  9. If I invest £1500 over 5 years at 1.9% interest, I have £1642.50. Is this simple or compound interest?
  10. If I invest £10 over 2 years at 4% interest, I have £10.80. Is this simple or compound interest?
  11. If I invest £46.21 over 1 year at 4% interest, I have £48.06. Is this simple or compound interest?
  12. Which investment results in more money at the end: an investment of £30 at a rate of 2% simple interest for 4 years, or £30.50 at a rate of 3.5% compound interest for 2 years?

License: OGL

Simple interest calculations · Examplary