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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 308 · 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. 1.17 × 50 =
  2. 2.159 − 99 =
  3. 3.875 ÷ 25 =
  4. 4.12 × 17 =
  5. 5.14 × 15 =
  6. 6.₹51.75 + ₹45.75 =
  7. 7.4 + 6 + 8 + 5 + 6 =
  8. 8.18 × 11 =
  9. 9.72 + 68 =
  10. 10.74 × 8 =
  11. 11.575 ÷ 5 =
  12. 12.Check with nines: 67 × 33 = 2211. Correct or wrong? (a) wrong (b) correct
  13. 13.51 × 15 =
  14. 14.79 + 88 =
  15. 15.5% of 110 =
  16. 16.19² =
  17. 17.399 − 27 =
  18. 18.13 × 18 =
  19. 19.45 × 50 =
  20. 20.208 + 27 =
  21. 21.₹47.55 + ₹5.55 =
  22. 22.83 × 50 =
  23. 23.72 × 4 =
  24. 24.₹72.05 + ₹48.15 =
  25. 25.15 × 12 =
  26. 26.8 + 1 + 9 + 1 =
  27. 27.400 ÷ 50 =
  28. 28.45 + 72 + 12 + 39 =
  29. 29.64 × 5 =
  30. 30.20 × 15 =
  31. 31.Check with nines: 797 + 678 = 1475. Correct or wrong? (a) wrong (b) correct
  32. 32.50% of 140 =
  33. 33.88 × 50 =
  34. 34.446 − 66 =
  35. 35.123 × 4 =
  36. 36.25 × 8 =
  37. 37.36 × 5 =
  38. 38.₹12.15 − ₹4.05 =
  39. 39.50% of 90 =
  40. 40.12 × 17 =

Answer key

  1. 850
  2. 60
  3. 35
  4. 204
  5. 210
  6. 97.5
  7. 29
  8. 198
  9. 140
  10. 592
  11. 115
  12. correct
  13. 765
  14. 167
  15. 5.5
  16. 361
  17. 372
  18. 234
  19. 2250
  20. 235
  21. 53.1
  22. 4150
  23. 288
  24. 120.2
  25. 180
  26. 19
  27. 8
  28. 168
  29. 320
  30. 300
  31. correct
  32. 70
  33. 4400
  34. 380
  35. 492
  36. 200
  37. 180
  38. 8.1
  39. 45
  40. 204

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