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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 639 · 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. 1.4 × 15 =
  2. 2.171 − 19 =
  3. 3.6 + 1 + 2 + 4 + 9 =
  4. 4.₹88.60 + ₹36.95 =
  5. 5.₹87.85 + ₹5.10 =
  6. 6.7 + 8 + 3 + 2 + 4 =
  7. 7.289 + 79 =
  8. 8.27 × 5 =
  9. 9.₹40.95 + ₹17.40 =
  10. 10.39² =
  11. 11.15 × 50 =
  12. 12.₹10.20 + ₹19.75 =
  13. 13.27 × 8 =
  14. 14.950 ÷ 50 =
  15. 15.1200 ÷ 50 =
  16. 16.1 + 2 + 8 + 5 + 6 =
  17. 17.70 + 73 + 23 + 17 =
  18. 18.119 × 4 =
  19. 19.₹81.70 − ₹16.50 =
  20. 20.53 × 50 =
  21. 21.19 × 19 =
  22. 22.15 × 11 =
  23. 23.71² =
  24. 24.₹91.80 − ₹12.50 =
  25. 25.46 × 8 =
  26. 26.1 + 8 + 7 + 4 + 2 =
  27. 27.9 + 4 + 8 + 7 + 1 =
  28. 28.100 ÷ 5 =
  29. 29.15 × 8 =
  30. 30.27 × 15 =
  31. 31.14 + 54 + 44 + 46 =
  32. 32.26 + 72 + 27 + 27 =
  33. 33.₹73.45 − ₹43.50 =
  34. 34.14 × 15 =
  35. 35.Check with nines: 360 + 667 = 1020. Correct or wrong? (a) correct (b) wrong
  36. 36.1325 ÷ 25 =
  37. 37.570 ÷ 5 =
  38. 38.571 − 67 =
  39. 39.53 × 8 =
  40. 40.141 × 4 =

Answer key

  1. 60
  2. 152
  3. 22
  4. 125.55
  5. 92.95
  6. 24
  7. 368
  8. 135
  9. 58.35
  10. 1521
  11. 750
  12. 29.95
  13. 216
  14. 19
  15. 24
  16. 22
  17. 183
  18. 476
  19. 65.2
  20. 2650
  21. 361
  22. 165
  23. 5041
  24. 79.3
  25. 368
  26. 22
  27. 29
  28. 20
  29. 120
  30. 405
  31. 158
  32. 152
  33. 29.95
  34. 210
  35. wrong
  36. 53
  37. 114
  38. 504
  39. 424
  40. 564

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