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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 953 · 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. 1.21² =
  2. 2.10% of 150 =
  3. 3.36 + 61 + 34 + 42 =
  4. 4.83 × 4 =
  5. 5.Best estimate of 397 × 9? (a) 7200 (b) 3600 (c) 360 (d) 36000
  6. 6.151 + 97 =
  7. 7.20 × 15 =
  8. 8.12 × 8 =
  9. 9.4 + 2 + 8 + 6 + 2 =
  10. 10.350 ÷ 25 =
  11. 11.41² =
  12. 12.275 + 97 =
  13. 13.150 ÷ 50 =
  14. 14.47 + 89 =
  15. 15.104 + 19 =
  16. 16.Best estimate of 19 × 18? (a) 400 (b) 4000 (c) 40 (d) 800
  17. 17.21² =
  18. 18.108 − 66 =
  19. 19.473 − 66 =
  20. 20.29 + 73 + 60 + 84 =
  21. 21.85 × 50 =
  22. 22.51² =
  23. 23.640 ÷ 5 =
  24. 24.17 × 11 =
  25. 25.303 + 19 =
  26. 26.5 + 8 + 5 + 2 =
  27. 27.575 ÷ 25 =
  28. 28.805 ÷ 5 =
  29. 29.287 + 98 =
  30. 30.259 − 37 =
  31. 31.31² =
  32. 32.2 + 6 + 2 + 8 =
  33. 33.61² =
  34. 34.350 ÷ 5 =
  35. 35.70 + 12 + 11 + 83 =
  36. 36.20 × 15 =
  37. 37.8 + 9 + 8 + 9 + 1 =
  38. 38.370 − 18 =
  39. 39.25% of 240 =
  40. 40.₹46.30 − ₹34.30 =

Answer key

  1. 441
  2. 15
  3. 173
  4. 332
  5. 3600
  6. 248
  7. 300
  8. 96
  9. 22
  10. 14
  11. 1681
  12. 372
  13. 3
  14. 136
  15. 123
  16. 400
  17. 441
  18. 42
  19. 407
  20. 246
  21. 4250
  22. 2601
  23. 128
  24. 187
  25. 322
  26. 20
  27. 23
  28. 161
  29. 385
  30. 222
  31. 961
  32. 18
  33. 3721
  34. 70
  35. 176
  36. 300
  37. 35
  38. 352
  39. 60
  40. 12

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