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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 492 · 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.₹98.10 + ₹5.90 =
  2. 2.₹24.55 + ₹16.30 =
  3. 3.38 × 15 =
  4. 4.1% of 270 =
  5. 5.₹7.25 + ₹15.65 =
  6. 6.79² =
  7. 7.294 − 17 =
  8. 8.2 + 3 + 6 + 4 + 3 =
  9. 9.59 × 4 =
  10. 10.₹27.60 − ₹6.70 =
  11. 11.775 ÷ 25 =
  12. 12.355 − 98 =
  13. 13.20 × 8 =
  14. 14.69 × 8 =
  15. 15.12 × 18 =
  16. 16.67 × 8 =
  17. 17.3 + 7 + 2 + 4 =
  18. 18.Check with nines: 234 + 916 = 1150. Correct or wrong? (a) correct (b) wrong
  19. 19.59² =
  20. 20.600 ÷ 50 =
  21. 21.Check with nines: 672 + 320 = 987. Correct or wrong? (a) wrong (b) correct
  22. 22.15% of 550 =
  23. 23.71 × 8 =
  24. 24.11 × 12 =
  25. 25.82 − 39 =
  26. 26.₹59.95 − ₹14.65 =
  27. 27.Check with nines: 263 + 745 = 1008. Correct or wrong? (a) correct (b) wrong
  28. 28.₹88.05 + ₹11.10 =
  29. 29.1175 ÷ 25 =
  30. 30.22 × 15 =
  31. 31.42 × 15 =
  32. 32.18 × 15 =
  33. 33.475 + 19 =
  34. 34.291 + 37 =
  35. 35.10% of 160 =
  36. 36.249 + 87 =
  37. 37.12 + 60 + 78 + 22 =
  38. 38.73 + 57 + 48 + 89 =
  39. 39.81 + 75 + 65 + 32 =
  40. 40.60 × 15 =

Answer key

  1. 104
  2. 40.85
  3. 570
  4. 2.7
  5. 22.9
  6. 6241
  7. 277
  8. 18
  9. 236
  10. 20.9
  11. 31
  12. 257
  13. 160
  14. 552
  15. 216
  16. 536
  17. 16
  18. correct
  19. 3481
  20. 12
  21. wrong
  22. 82.5
  23. 568
  24. 132
  25. 43
  26. 45.3
  27. correct
  28. 99.15
  29. 47
  30. 330
  31. 630
  32. 270
  33. 494
  34. 328
  35. 16
  36. 336
  37. 172
  38. 267
  39. 253
  40. 900

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