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Study guide for Percentages

Work through the published lessons in the test's topic order.

  1. Convert between percentages, fractions and decimalsAbout 5 min
    Drill
  2. Find a percentage of an amountAbout 5 min
    Drill
  3. Express one number as a percentage of anotherAbout 5 min
    Drill
  4. Percent increase and decrease: calculate the final valueAbout 5 min
    Drill
  5. Percent change: compare the change with the earlier valueAbout 5 min
    Drill
  6. Reverse percentages: recover the original valueAbout 4 min
    Drill
  7. Successive percentage changes: multiply each stageAbout 4 min
    Drill
  8. Percentage points and relative percent: choose the measureAbout 4 min
    Drill
  9. Discounts, tax and tips: choose the right multiplierAbout 5 min
    Drill
  10. Simple interest and repeated growth: identify the changing baseAbout 5 min
    Drill