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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 983 · 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. 1.715 ÷ 5 =
  2. 2.40 + 54 + 19 + 80 =
  3. 3.19 × 12 =
  4. 4.Best estimate of 28 × 62? (a) 180 (b) 1800 (c) 3600 (d) 18000
  5. 5.11 × 15 =
  6. 6.5 + 5 + 2 + 5 =
  7. 7.314 − 38 =
  8. 8.13 × 15 =
  9. 9.71² =
  10. 10.59 × 15 =
  11. 11.67 × 50 =
  12. 12.484 + 18 =
  13. 13.31² =
  14. 14.5% of 290 =
  15. 15.96 × 50 =
  16. 16.₹50.05 − ₹44.65 =
  17. 17.31² =
  18. 18.36 × 8 =
  19. 19.154 + 39 =
  20. 20.18 × 11 =
  21. 21.363 + 29 =
  22. 22.92 × 4 =
  23. 23.18 × 18 =
  24. 24.91² =
  25. 25.12 × 11 =
  26. 26.₹78.60 − ₹20.30 =
  27. 27.238 + 77 =
  28. 28.₹50.85 + ₹7.35 =
  29. 29.28 × 5 =
  30. 30.132 + 58 =
  31. 31.308 + 28 =
  32. 32.27 + 40 + 49 + 20 =
  33. 33.19 × 15 =
  34. 34.10% of 240 =
  35. 35.53 × 5 =
  36. 36.41² =
  37. 37.Best estimate of 31 × 39? (a) 120 (b) 1200 (c) 2400 (d) 12000
  38. 38.195 ÷ 5 =
  39. 39.5 × 15 =
  40. 40.64 × 5 =

Answer key

  1. 143
  2. 193
  3. 228
  4. 1800
  5. 165
  6. 17
  7. 276
  8. 195
  9. 5041
  10. 885
  11. 3350
  12. 502
  13. 961
  14. 14.5
  15. 4800
  16. 5.4
  17. 961
  18. 288
  19. 193
  20. 198
  21. 392
  22. 368
  23. 324
  24. 8281
  25. 132
  26. 58.3
  27. 315
  28. 58.2
  29. 140
  30. 190
  31. 336
  32. 136
  33. 285
  34. 24
  35. 265
  36. 1681
  37. 1200
  38. 39
  39. 75
  40. 320

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