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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 710 · 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. 1.6 + 4 + 6 + 3 + 3 =
  2. 2.13 × 13 =
  3. 3.1650 ÷ 50 =
  4. 4.82 + 37 + 59 + 24 =
  5. 5.₹38.85 − ₹24.95 =
  6. 6.366 + 39 =
  7. 7.5 × 15 =
  8. 8.50% of 390 =
  9. 9.26 × 50 =
  10. 10.125 ÷ 25 =
  11. 11.82 + 81 + 74 + 69 =
  12. 12.71² =
  13. 13.118 − 28 =
  14. 14.88 + 63 + 33 + 13 =
  15. 15.515 − 96 =
  16. 16.302 − 59 =
  17. 17.21² =
  18. 18.11 × 18 =
  19. 19.Best estimate of 201 × 9? (a) 18000 (b) 1800 (c) 180 (d) 3600
  20. 20.2 + 7 + 8 + 3 =
  21. 21.25 + 81 + 29 + 18 =
  22. 22.319 + 19 =
  23. 23.19² =
  24. 24.308 + 19 =
  25. 25.18 × 50 =
  26. 26.434 + 28 =
  27. 27.110 − 48 =
  28. 28.20% of 290 =
  29. 29.₹40.85 − ₹39.80 =
  30. 30.122 × 4 =
  31. 31.19 × 12 =
  32. 32.₹11.95 + ₹23.40 =
  33. 33.31² =
  34. 34.4 + 2 + 9 + 1 + 9 =
  35. 35.116 + 87 =
  36. 36.2 + 1 + 8 + 8 =
  37. 37.209 − 17 =
  38. 38.19 × 15 =
  39. 39.264 + 27 =
  40. 40.29² =

Answer key

  1. 22
  2. 169
  3. 33
  4. 202
  5. 13.9
  6. 405
  7. 75
  8. 195
  9. 1300
  10. 5
  11. 306
  12. 5041
  13. 90
  14. 197
  15. 419
  16. 243
  17. 441
  18. 198
  19. 1800
  20. 20
  21. 153
  22. 338
  23. 361
  24. 327
  25. 900
  26. 462
  27. 62
  28. 58
  29. 1.05
  30. 488
  31. 228
  32. 35.35
  33. 961
  34. 25
  35. 203
  36. 19
  37. 192
  38. 285
  39. 291
  40. 841

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