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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 160 · 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.₹27.30 − ₹11.45 =
  2. 2.Check with nines: 95 × 64 = 6080. Correct or wrong? (a) correct (b) wrong
  3. 3.36 × 4 =
  4. 4.22 × 8 =
  5. 5.198 + 39 =
  6. 6.337 + 29 =
  7. 7.460 − 17 =
  8. 8.1175 ÷ 25 =
  9. 9.56 × 15 =
  10. 10.115 + 17 =
  11. 11.30 × 5 =
  12. 12.63 + 89 =
  13. 13.₹26.80 + ₹5.25 =
  14. 14.35 × 8 =
  15. 15.76 + 71 + 15 + 21 =
  16. 16.14 × 19 =
  17. 17.₹54.25 + ₹16.25 =
  18. 18.15 × 18 =
  19. 19.3 + 8 + 4 + 6 + 8 =
  20. 20.120 + 39 =
  21. 21.₹17.75 + ₹34.15 =
  22. 22.29² =
  23. 23.₹33.25 + ₹3.70 =
  24. 24.110 × 4 =
  25. 25.9 + 4 + 6 + 4 + 6 =
  26. 26.21² =
  27. 27.1350 ÷ 50 =
  28. 28.18 × 18 =
  29. 29.416 + 28 =
  30. 30.173 + 88 =
  31. 31.11 × 17 =
  32. 32.70 × 4 =
  33. 33.15 + 47 + 32 + 81 =
  34. 34.250 ÷ 25 =
  35. 35.7 + 3 + 1 + 2 + 8 =
  36. 36.71 × 4 =
  37. 37.25% of 200 =
  38. 38.17 × 13 =
  39. 39.15% of 610 =
  40. 40.473 + 27 =

Answer key

  1. 15.85
  2. correct
  3. 144
  4. 176
  5. 237
  6. 366
  7. 443
  8. 47
  9. 840
  10. 132
  11. 150
  12. 152
  13. 32.05
  14. 280
  15. 183
  16. 266
  17. 70.5
  18. 270
  19. 29
  20. 159
  21. 51.9
  22. 841
  23. 36.95
  24. 440
  25. 29
  26. 441
  27. 27
  28. 324
  29. 444
  30. 261
  31. 187
  32. 280
  33. 175
  34. 10
  35. 21
  36. 284
  37. 50
  38. 221
  39. 91.5
  40. 500

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