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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 434 · 40 questions
TalentJR

The fast method (Spot the trick): A 7, 8 or 9 in the ones place → round and fix. × 4, 8, 5, 50 or 15 → doubling or halving tricks. ÷ 5, 25 or 50 → double first. A percentage → start from 10%. Checking or estimating → nines or rounding.

NameDateTime takenScore ___ / 40
  1. 1.16 × 17 =
  2. 2.15 × 50 =
  3. 3.360 ÷ 5 =
  4. 4.30 × 5 =
  5. 5.4 + 9 + 9 + 1 + 1 =
  6. 6.63 × 15 =
  7. 7.25% of 900 =
  8. 8.100 ÷ 5 =
  9. 9.37 × 5 =
  10. 10.20% of 510 =
  11. 11.375 ÷ 25 =
  12. 12.6 × 15 =
  13. 13.448 − 58 =
  14. 14.₹36.10 − ₹7.20 =
  15. 15.21² =
  16. 16.5 + 2 + 3 + 8 =
  17. 17.8 × 15 =
  18. 18.Check with nines: 875 + 160 = 1035. Correct or wrong? (a) wrong (b) correct
  19. 19.Check with nines: 445 + 515 = 960. Correct or wrong? (a) correct (b) wrong
  20. 20.50 × 15 =
  21. 21.430 ÷ 5 =
  22. 22.₹57.95 + ₹7.55 =
  23. 23.21² =
  24. 24.Best estimate of 69 × 59? (a) 42000 (b) 4200 (c) 8400 (d) 420
  25. 25.50% of 490 =
  26. 26.4 + 1 + 6 + 4 =
  27. 27.₹40.85 + ₹19.25 =
  28. 28.5 + 9 + 8 + 3 + 1 =
  29. 29.87 + 21 + 73 + 20 =
  30. 30.₹27.95 + ₹16.10 =
  31. 31.23 + 19 + 16 + 14 =
  32. 32.1550 ÷ 50 =
  33. 33.15 × 16 =
  34. 34.700 ÷ 50 =
  35. 35.₹39.50 − ₹24.90 =
  36. 36.177 − 49 =
  37. 37.15% of 440 =
  38. 38.16 × 8 =
  39. 39.995 ÷ 5 =
  40. 40.86 × 50 =

Answer key

  1. 272
  2. 750
  3. 72
  4. 150
  5. 24
  6. 945
  7. 225
  8. 20
  9. 185
  10. 102
  11. 15
  12. 90
  13. 390
  14. 28.9
  15. 441
  16. 18
  17. 120
  18. correct
  19. correct
  20. 750
  21. 86
  22. 65.5
  23. 441
  24. 4200
  25. 245
  26. 15
  27. 60.1
  28. 26
  29. 201
  30. 44.05
  31. 72
  32. 31
  33. 240
  34. 14
  35. 14.6
  36. 128
  37. 66
  38. 128
  39. 199
  40. 4300

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