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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 121 · 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.₹18.75 − ₹14.05 =
  2. 2.405 + 47 =
  3. 3.73 × 8 =
  4. 4.83 + 14 + 40 + 82 =
  5. 5.60 + 43 + 21 + 82 =
  6. 6.86 + 37 =
  7. 7.15 × 11 =
  8. 8.232 − 58 =
  9. 9.17 × 18 =
  10. 10.₹70.25 − ₹8.95 =
  11. 11.49 × 8 =
  12. 12.150 ÷ 50 =
  13. 13.13 × 12 =
  14. 14.175 ÷ 25 =
  15. 15.75 + 58 + 82 + 64 =
  16. 16.₹54.20 + ₹48.65 =
  17. 17.Check with nines: 52 × 16 = 832. Correct or wrong? (a) wrong (b) correct
  18. 18.25% of 420 =
  19. 19.85 × 4 =
  20. 20.136 × 4 =
  21. 21.444 − 66 =
  22. 22.6 + 7 + 3 + 7 + 2 =
  23. 23.15% of 210 =
  24. 24.1 + 1 + 9 + 8 + 5 =
  25. 25.₹39.05 − ₹19.45 =
  26. 26.42 × 4 =
  27. 27.10% of 560 =
  28. 28.31² =
  29. 29.451 + 17 =
  30. 30.Check with nines: 74 × 40 = 2960. Correct or wrong? (a) correct (b) wrong
  31. 31.50 + 28 =
  32. 32.13 × 8 =
  33. 33.54 + 30 + 49 + 75 =
  34. 34.Check with nines: 29 × 20 = 580. Correct or wrong? (a) correct (b) wrong
  35. 35.Check with nines: 33 × 97 = 3201. Correct or wrong? (a) wrong (b) correct
  36. 36.₹41.60 − ₹41.05 =
  37. 37.494 + 38 =
  38. 38.19 × 12 =
  39. 39.54 + 30 + 76 + 33 =
  40. 40.13 × 12 =

Answer key

  1. 4.7
  2. 452
  3. 584
  4. 219
  5. 206
  6. 123
  7. 165
  8. 174
  9. 306
  10. 61.3
  11. 392
  12. 3
  13. 156
  14. 7
  15. 279
  16. 102.85
  17. correct
  18. 105
  19. 340
  20. 544
  21. 378
  22. 25
  23. 31.5
  24. 24
  25. 19.6
  26. 168
  27. 56
  28. 961
  29. 468
  30. correct
  31. 78
  32. 104
  33. 208
  34. correct
  35. correct
  36. 0.55
  37. 532
  38. 228
  39. 193
  40. 156

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