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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 536 · 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. 1.283 + 47 =
  2. 2.18 × 15 =
  3. 3.19² =
  4. 4.27 + 12 + 32 + 46 =
  5. 5.240 ÷ 5 =
  6. 6.350 ÷ 25 =
  7. 7.2 + 2 + 7 + 1 + 3 =
  8. 8.155 − 76 =
  9. 9.412 − 99 =
  10. 10.₹39.50 + ₹32.80 =
  11. 11.524 − 39 =
  12. 12.Check with nines: 784 + 555 = 1332. Correct or wrong? (a) correct (b) wrong
  13. 13.12 × 12 =
  14. 14.81 × 4 =
  15. 15.9 × 15 =
  16. 16.61² =
  17. 17.₹83.65 + ₹41.65 =
  18. 18.₹51.15 + ₹14.50 =
  19. 19.188 + 99 =
  20. 20.21² =
  21. 21.2 + 1 + 3 + 8 =
  22. 22.3 + 5 + 5 + 5 + 5 =
  23. 23.1 + 4 + 8 + 2 =
  24. 24.30 × 50 =
  25. 25.515 ÷ 5 =
  26. 26.572 − 69 =
  27. 27.15 × 15 =
  28. 28.1 + 7 + 1 + 3 =
  29. 29.17 × 4 =
  30. 30.21² =
  31. 31.₹42.40 − ₹32.55 =
  32. 32.222 + 97 =
  33. 33.350 − 49 =
  34. 34.19 × 11 =
  35. 35.18 × 15 =
  36. 36.61² =
  37. 37.81² =
  38. 38.1 + 5 + 9 + 5 =
  39. 39.27 × 50 =
  40. 40.1% of 240 =

Answer key

  1. 330
  2. 270
  3. 361
  4. 117
  5. 48
  6. 14
  7. 15
  8. 79
  9. 313
  10. 72.3
  11. 485
  12. wrong
  13. 144
  14. 324
  15. 135
  16. 3721
  17. 125.3
  18. 65.65
  19. 287
  20. 441
  21. 14
  22. 23
  23. 15
  24. 1500
  25. 103
  26. 503
  27. 225
  28. 12
  29. 68
  30. 441
  31. 9.85
  32. 319
  33. 301
  34. 209
  35. 270
  36. 3721
  37. 6561
  38. 20
  39. 1350
  40. 2.4

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