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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 651 · 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. 1.1050 ÷ 25 =
  2. 2.Best estimate of 18 × 59? (a) 12000 (b) 120 (c) 2400 (d) 1200
  3. 3.2 + 3 + 9 + 1 =
  4. 4.₹24.10 + ₹11.20 =
  5. 5.800 ÷ 25 =
  6. 6.48 + 59 + 43 + 56 =
  7. 7.850 ÷ 50 =
  8. 8.13 × 12 =
  9. 9.Check with nines: 46 × 68 = 3128. Correct or wrong? (a) wrong (b) correct
  10. 10.79 × 4 =
  11. 11.855 ÷ 5 =
  12. 12.7 + 7 + 3 + 3 =
  13. 13.Best estimate of 799 × 6? (a) 48000 (b) 4800 (c) 9600 (d) 480
  14. 14.5 × 15 =
  15. 15.297 − 17 =
  16. 16.12 × 12 =
  17. 17.1% of 280 =
  18. 18.67 + 40 + 51 + 35 =
  19. 19.147 × 4 =
  20. 20.57 + 47 =
  21. 21.₹78.20 − ₹20.05 =
  22. 22.150 ÷ 50 =
  23. 23.19 × 15 =
  24. 24.448 + 28 =
  25. 25.70 × 8 =
  26. 26.67 × 50 =
  27. 27.29² =
  28. 28.17 × 16 =
  29. 29.408 − 36 =
  30. 30.Check with nines: 54 × 75 = 4050. Correct or wrong? (a) wrong (b) correct
  31. 31.73 + 34 + 80 + 22 =
  32. 32.Check with nines: 916 + 591 = 1501. Correct or wrong? (a) correct (b) wrong
  33. 33.109 × 4 =
  34. 34.1% of 190 =
  35. 35.9 + 9 + 1 + 3 =
  36. 36.25% of 250 =
  37. 37.83 × 5 =
  38. 38.4 + 6 + 2 + 2 =
  39. 39.204 + 57 =
  40. 40.25% of 70 =

Answer key

  1. 42
  2. 1200
  3. 15
  4. 35.3
  5. 32
  6. 206
  7. 17
  8. 156
  9. correct
  10. 316
  11. 171
  12. 20
  13. 4800
  14. 75
  15. 280
  16. 144
  17. 2.8
  18. 193
  19. 588
  20. 104
  21. 58.15
  22. 3
  23. 285
  24. 476
  25. 560
  26. 3350
  27. 841
  28. 272
  29. 372
  30. correct
  31. 209
  32. wrong
  33. 436
  34. 1.9
  35. 22
  36. 62.5
  37. 415
  38. 14
  39. 261
  40. 17.5

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