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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 696 · 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. 1.3 + 6 + 6 + 4 + 5 =
  2. 2.33 + 47 + 36 + 59 =
  3. 3.19 × 16 =
  4. 4.5% of 710 =
  5. 5.570 ÷ 5 =
  6. 6.83 + 82 + 17 + 89 =
  7. 7.25% of 510 =
  8. 8.55 × 50 =
  9. 9.8 + 2 + 3 + 3 + 8 =
  10. 10.120 × 4 =
  11. 11.25% of 320 =
  12. 12.9 + 1 + 4 + 2 + 2 =
  13. 13.11 × 16 =
  14. 14.1550 ÷ 50 =
  15. 15.289 + 27 =
  16. 16.439 − 39 =
  17. 17.₹58.85 + ₹28.90 =
  18. 18.79² =
  19. 19.242 − 26 =
  20. 20.56 − 19 =
  21. 21.19 × 15 =
  22. 22.32 × 8 =
  23. 23.67 + 18 =
  24. 24.11 × 16 =
  25. 25.25 × 8 =
  26. 26.₹36.15 + ₹20.40 =
  27. 27.461 + 59 =
  28. 28.Check with nines: 585 + 677 = 1262. Correct or wrong? (a) correct (b) wrong
  29. 29.520 − 98 =
  30. 30.59 + 65 + 46 + 23 =
  31. 31.17 × 12 =
  32. 32.233 − 86 =
  33. 33.4 + 5 + 3 + 6 =
  34. 34.57 − 19 =
  35. 35.₹91.15 − ₹40.55 =
  36. 36.13 × 13 =
  37. 37.18 × 11 =
  38. 38.14 × 15 =
  39. 39.178 − 29 =
  40. 40.12 × 12 =

Answer key

  1. 24
  2. 175
  3. 304
  4. 35.5
  5. 114
  6. 271
  7. 127.5
  8. 2750
  9. 24
  10. 480
  11. 80
  12. 18
  13. 176
  14. 31
  15. 316
  16. 400
  17. 87.75
  18. 6241
  19. 216
  20. 37
  21. 285
  22. 256
  23. 85
  24. 176
  25. 200
  26. 56.55
  27. 520
  28. correct
  29. 422
  30. 193
  31. 204
  32. 147
  33. 18
  34. 38
  35. 50.6
  36. 169
  37. 198
  38. 210
  39. 149
  40. 144

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