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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 899 · 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. 1.159 − 96 =
  2. 2.72 × 50 =
  3. 3.300 ÷ 50 =
  4. 4.563 − 86 =
  5. 5.38 × 15 =
  6. 6.595 ÷ 5 =
  7. 7.475 + 89 =
  8. 8.Check with nines: 46 × 93 = 4278. Correct or wrong? (a) correct (b) wrong
  9. 9.13 × 13 =
  10. 10.110 × 4 =
  11. 11.84 × 5 =
  12. 12.48 × 4 =
  13. 13.258 + 47 =
  14. 14.25 + 70 + 57 + 89 =
  15. 15.₹6.05 + ₹19.70 =
  16. 16.317 + 27 =
  17. 17.68 × 50 =
  18. 18.₹59.05 − ₹38.40 =
  19. 19.1400 ÷ 50 =
  20. 20.Check with nines: 84 × 87 = 7309. Correct or wrong? (a) correct (b) wrong
  21. 21.49 × 15 =
  22. 22.49 × 5 =
  23. 23.37 + 27 + 28 + 21 =
  24. 24.38 × 15 =
  25. 25.15% of 460 =
  26. 26.29² =
  27. 27.₹63.10 + ₹18.05 =
  28. 28.373 + 59 =
  29. 29.35 × 5 =
  30. 30.59² =
  31. 31.483 + 88 =
  32. 32.282 − 26 =
  33. 33.122 − 36 =
  34. 34.15 × 11 =
  35. 35.Check with nines: 72 × 90 = 6488. Correct or wrong? (a) correct (b) wrong
  36. 36.121 × 4 =
  37. 37.26 × 4 =
  38. 38.79² =
  39. 39.290 − 89 =
  40. 40.28 + 73 + 36 + 53 =

Answer key

  1. 63
  2. 3600
  3. 6
  4. 477
  5. 570
  6. 119
  7. 564
  8. correct
  9. 169
  10. 440
  11. 420
  12. 192
  13. 305
  14. 241
  15. 25.75
  16. 344
  17. 3400
  18. 20.65
  19. 28
  20. wrong
  21. 735
  22. 245
  23. 113
  24. 570
  25. 69
  26. 841
  27. 81.15
  28. 432
  29. 175
  30. 3481
  31. 571
  32. 256
  33. 86
  34. 165
  35. wrong
  36. 484
  37. 104
  38. 6241
  39. 201
  40. 190

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