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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 131 · 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. 1.88 + 30 + 84 + 56 =
  2. 2.16 × 11 =
  3. 3.440 + 28 =
  4. 4.Best estimate of 498 × 6? (a) 6000 (b) 300 (c) 30000 (d) 3000
  5. 5.71² =
  6. 6.61² =
  7. 7.200 ÷ 50 =
  8. 8.16 × 4 =
  9. 9.14 + 47 + 53 + 16 =
  10. 10.77 × 5 =
  11. 11.20% of 400 =
  12. 12.325 ÷ 5 =
  13. 13.228 − 89 =
  14. 14.530 − 48 =
  15. 15.21² =
  16. 16.34 × 15 =
  17. 17.11 × 14 =
  18. 18.₹35.50 − ₹22.60 =
  19. 19.₹62.65 + ₹42.25 =
  20. 20.39 × 15 =
  21. 21.8 × 15 =
  22. 22.20% of 370 =
  23. 23.2 + 7 + 3 + 7 =
  24. 24.61 × 15 =
  25. 25.42 × 15 =
  26. 26.75 × 8 =
  27. 27.31 × 15 =
  28. 28.51² =
  29. 29.205 + 19 =
  30. 30.Best estimate of 498 × 4? (a) 200 (b) 4000 (c) 20000 (d) 2000
  31. 31.223 − 77 =
  32. 32.348 − 46 =
  33. 33.455 ÷ 5 =
  34. 34.79² =
  35. 35.13 × 5 =
  36. 36.158 − 48 =
  37. 37.37 × 15 =
  38. 38.424 + 97 =
  39. 39.274 + 28 =
  40. 40.10% of 40 =

Answer key

  1. 258
  2. 176
  3. 468
  4. 3000
  5. 5041
  6. 3721
  7. 4
  8. 64
  9. 130
  10. 385
  11. 80
  12. 65
  13. 139
  14. 482
  15. 441
  16. 510
  17. 154
  18. 12.9
  19. 104.9
  20. 585
  21. 120
  22. 74
  23. 19
  24. 915
  25. 630
  26. 600
  27. 465
  28. 2601
  29. 224
  30. 2000
  31. 146
  32. 302
  33. 91
  34. 6241
  35. 65
  36. 110
  37. 555
  38. 521
  39. 302
  40. 4

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