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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 307 · 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. 1.480 ÷ 5 =
  2. 2.74 + 73 + 51 + 33 =
  3. 3.Best estimate of 101 × 3? (a) 3000 (b) 30 (c) 600 (d) 300
  4. 4.63 + 33 + 25 + 80 =
  5. 5.279 + 57 =
  6. 6.585 ÷ 5 =
  7. 7.304 − 56 =
  8. 8.₹30.40 − ₹13.10 =
  9. 9.15 × 13 =
  10. 10.68 × 5 =
  11. 11.81 × 4 =
  12. 12.8 + 2 + 1 + 7 + 9 =
  13. 13.25% of 730 =
  14. 14.24 × 15 =
  15. 15.32 × 8 =
  16. 16.17 × 14 =
  17. 17.16 × 13 =
  18. 18.Check with nines: 18 × 87 = 1566. Correct or wrong? (a) wrong (b) correct
  19. 19.97 × 4 =
  20. 20.11 × 11 =
  21. 21.605 ÷ 5 =
  22. 22.499 − 96 =
  23. 23.20% of 240 =
  24. 24.₹49.20 − ₹47.20 =
  25. 25.57 + 19 + 72 + 75 =
  26. 26.51² =
  27. 27.Best estimate of 21 × 29? (a) 6000 (b) 60 (c) 600 (d) 1200
  28. 28.66 × 8 =
  29. 29.76 + 41 + 33 + 45 =
  30. 30.12 + 80 + 47 + 78 =
  31. 31.10% of 650 =
  32. 32.144 + 68 =
  33. 33.289 + 57 =
  34. 34.29 × 5 =
  35. 35.54 × 8 =
  36. 36.Best estimate of 902 × 9? (a) 16200 (b) 810 (c) 8100 (d) 81000
  37. 37.1 + 1 + 3 + 9 =
  38. 38.89² =
  39. 39.544 − 68 =
  40. 40.₹63.05 + ₹29.30 =

Answer key

  1. 96
  2. 231
  3. 300
  4. 201
  5. 336
  6. 117
  7. 248
  8. 17.3
  9. 195
  10. 340
  11. 324
  12. 27
  13. 182.5
  14. 360
  15. 256
  16. 238
  17. 208
  18. correct
  19. 388
  20. 121
  21. 121
  22. 403
  23. 48
  24. 2
  25. 223
  26. 2601
  27. 600
  28. 528
  29. 195
  30. 217
  31. 65
  32. 212
  33. 346
  34. 145
  35. 432
  36. 8100
  37. 14
  38. 7921
  39. 476
  40. 92.35

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