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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 609 · 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.₹82.75 + ₹36.45 =
  2. 2.₹40.85 + ₹7.95 =
  3. 3.₹62.75 + ₹45.60 =
  4. 4.2 + 2 + 4 + 8 =
  5. 5.1175 ÷ 25 =
  6. 6.88 × 4 =
  7. 7.50% of 810 =
  8. 8.11 × 13 =
  9. 9.432 − 26 =
  10. 10.6 + 4 + 6 + 6 + 2 =
  11. 11.425 + 19 =
  12. 12.353 − 76 =
  13. 13.₹11.70 + ₹26.45 =
  14. 14.490 − 57 =
  15. 15.106 × 4 =
  16. 16.113 × 4 =
  17. 17.5% of 240 =
  18. 18.Check with nines: 68 × 46 = 3128. Correct or wrong? (a) wrong (b) correct
  19. 19.594 − 16 =
  20. 20.300 ÷ 25 =
  21. 21.57 × 4 =
  22. 22.31 × 15 =
  23. 23.7 + 8 + 4 + 2 + 2 =
  24. 24.15 + 62 + 62 + 58 =
  25. 25.60 × 8 =
  26. 26.66 + 17 =
  27. 27.17 × 15 =
  28. 28.13 × 16 =
  29. 29.Check with nines: 801 + 372 = 1173. Correct or wrong? (a) correct (b) wrong
  30. 30.3 + 5 + 5 + 7 + 9 =
  31. 31.Check with nines: 55 × 22 = 1210. Correct or wrong? (a) correct (b) wrong
  32. 32.2 + 2 + 4 + 1 + 8 =
  33. 33.63 × 8 =
  34. 34.₹76.60 + ₹15.90 =
  35. 35.Check with nines: 473 + 420 = 894. Correct or wrong? (a) wrong (b) correct
  36. 36.25% of 760 =
  37. 37.562 − 77 =
  38. 38.250 ÷ 5 =
  39. 39.150 + 88 =
  40. 40.17 × 15 =

Answer key

  1. 119.2
  2. 48.8
  3. 108.35
  4. 16
  5. 47
  6. 352
  7. 405
  8. 143
  9. 406
  10. 24
  11. 444
  12. 277
  13. 38.15
  14. 433
  15. 424
  16. 452
  17. 12
  18. correct
  19. 578
  20. 12
  21. 228
  22. 465
  23. 23
  24. 197
  25. 480
  26. 83
  27. 255
  28. 208
  29. correct
  30. 29
  31. correct
  32. 17
  33. 504
  34. 92.5
  35. wrong
  36. 190
  37. 485
  38. 50
  39. 238
  40. 255

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