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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 716 · 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. 1.800 ÷ 50 =
  2. 2.Best estimate of 903 × 3? (a) 27000 (b) 5400 (c) 2700 (d) 270
  3. 3.445 − 58 =
  4. 4.Check with nines: 566 + 794 = 1356. Correct or wrong? (a) correct (b) wrong
  5. 5.₹46.35 + ₹46.90 =
  6. 6.17 × 15 =
  7. 7.60 + 69 + 46 + 72 =
  8. 8.61² =
  9. 9.14 × 18 =
  10. 10.16 × 14 =
  11. 11.577 − 28 =
  12. 12.500 ÷ 50 =
  13. 13.8 + 7 + 6 + 3 =
  14. 14.13 × 16 =
  15. 15.13 × 17 =
  16. 16.108 × 4 =
  17. 17.16 × 17 =
  18. 18.23 × 8 =
  19. 19.950 ÷ 25 =
  20. 20.16 × 12 =
  21. 21.410 ÷ 5 =
  22. 22.147 + 48 =
  23. 23.17 × 11 =
  24. 24.350 ÷ 50 =
  25. 25.108 − 67 =
  26. 26.15 × 12 =
  27. 27.8 + 7 + 2 + 7 + 3 =
  28. 28.540 ÷ 5 =
  29. 29.50 × 8 =
  30. 30.₹22.45 − ₹11.80 =
  31. 31.67 + 88 =
  32. 32.71 × 4 =
  33. 33.Check with nines: 498 + 221 = 727. Correct or wrong? (a) wrong (b) correct
  34. 34.196 + 47 =
  35. 35.19 × 16 =
  36. 36.81 × 5 =
  37. 37.Best estimate of 39 × 18? (a) 8000 (b) 80 (c) 800 (d) 1600
  38. 38.₹12.65 + ₹29.80 =
  39. 39.92 × 50 =
  40. 40.71 + 58 + 22 + 23 =

Answer key

  1. 16
  2. 2700
  3. 387
  4. wrong
  5. 93.25
  6. 255
  7. 247
  8. 3721
  9. 252
  10. 224
  11. 549
  12. 10
  13. 24
  14. 208
  15. 221
  16. 432
  17. 272
  18. 184
  19. 38
  20. 192
  21. 82
  22. 195
  23. 187
  24. 7
  25. 41
  26. 180
  27. 27
  28. 108
  29. 400
  30. 10.65
  31. 155
  32. 284
  33. wrong
  34. 243
  35. 304
  36. 405
  37. 800
  38. 42.45
  39. 4600
  40. 174

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