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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 613 · 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. 1.1025 ÷ 25 =
  2. 2.96 × 50 =
  3. 3.20% of 750 =
  4. 4.32 × 5 =
  5. 5.4 + 8 + 2 + 1 + 3 =
  6. 6.₹10.20 + ₹10.95 =
  7. 7.220 − 18 =
  8. 8.84 × 50 =
  9. 9.Best estimate of 901 × 7? (a) 6300 (b) 12600 (c) 630 (d) 63000
  10. 10.16 × 11 =
  11. 11.17 × 19 =
  12. 12.Check with nines: 349 + 783 = 1132. Correct or wrong? (a) correct (b) wrong
  13. 13.185 − 89 =
  14. 14.154 + 18 =
  15. 15.Check with nines: 564 + 137 = 701. Correct or wrong? (a) wrong (b) correct
  16. 16.19 + 51 + 58 + 42 =
  17. 17.Best estimate of 72 × 29? (a) 4200 (b) 210 (c) 2100 (d) 21000
  18. 18.160 + 28 =
  19. 19.9 + 6 + 1 + 1 + 9 =
  20. 20.50 + 42 + 76 + 17 =
  21. 21.33 × 15 =
  22. 22.1% of 280 =
  23. 23.24 × 8 =
  24. 24.55 × 15 =
  25. 25.260 ÷ 5 =
  26. 26.200 − 16 =
  27. 27.20% of 30 =
  28. 28.561 − 59 =
  29. 29.440 − 17 =
  30. 30.765 ÷ 5 =
  31. 31.35 × 15 =
  32. 32.50 × 5 =
  33. 33.10% of 200 =
  34. 34.172 + 67 =
  35. 35.₹87.35 − ₹29.05 =
  36. 36.150 × 4 =
  37. 37.₹86.30 − ₹25.80 =
  38. 38.10% of 880 =
  39. 39.93 × 5 =
  40. 40.385 ÷ 5 =

Answer key

  1. 41
  2. 4800
  3. 150
  4. 160
  5. 18
  6. 21.15
  7. 202
  8. 4200
  9. 6300
  10. 176
  11. 323
  12. correct
  13. 96
  14. 172
  15. correct
  16. 170
  17. 2100
  18. 188
  19. 26
  20. 185
  21. 495
  22. 2.8
  23. 192
  24. 825
  25. 52
  26. 184
  27. 6
  28. 502
  29. 423
  30. 153
  31. 525
  32. 250
  33. 20
  34. 239
  35. 58.3
  36. 600
  37. 60.5
  38. 88
  39. 465
  40. 77

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