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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 704 · 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.₹32.60 + ₹10.05 =
  2. 2.45 × 15 =
  3. 3.₹36.65 − ₹23.40 =
  4. 4.31² =
  5. 5.25 × 4 =
  6. 6.₹92.90 − ₹40.10 =
  7. 7.125 − 29 =
  8. 8.11 × 12 =
  9. 9.85 + 27 =
  10. 10.5% of 150 =
  11. 11.30 + 57 + 37 + 66 =
  12. 12.9 + 1 + 7 + 4 =
  13. 13.37 + 32 + 25 + 21 =
  14. 14.47 × 8 =
  15. 15.15 × 18 =
  16. 16.Best estimate of 41 × 31? (a) 12000 (b) 2400 (c) 1200 (d) 120
  17. 17.65 × 50 =
  18. 18.Check with nines: 78 × 30 = 2340. Correct or wrong? (a) wrong (b) correct
  19. 19.30 + 45 + 50 + 49 =
  20. 20.61 × 5 =
  21. 21.50% of 40 =
  22. 22.5% of 780 =
  23. 23.206 + 58 =
  24. 24.225 + 49 =
  25. 25.41² =
  26. 26.Check with nines: 46 × 98 = 4509. Correct or wrong? (a) wrong (b) correct
  27. 27.1500 ÷ 25 =
  28. 28.Best estimate of 803 × 4? (a) 6400 (b) 320 (c) 32000 (d) 3200
  29. 29.₹97.35 − ₹27.70 =
  30. 30.63 × 15 =
  31. 31.48 + 31 + 32 + 55 =
  32. 32.76 + 34 + 53 + 65 =
  33. 33.5% of 550 =
  34. 34.17 + 46 + 83 + 53 =
  35. 35.5 + 9 + 9 + 2 + 1 =
  36. 36.5% of 190 =
  37. 37.17 × 15 =
  38. 38.7 × 15 =
  39. 39.29 × 5 =
  40. 40.17 × 12 =

Answer key

  1. 42.65
  2. 675
  3. 13.25
  4. 961
  5. 100
  6. 52.8
  7. 96
  8. 132
  9. 112
  10. 7.5
  11. 190
  12. 21
  13. 115
  14. 376
  15. 270
  16. 1200
  17. 3250
  18. correct
  19. 174
  20. 305
  21. 20
  22. 39
  23. 264
  24. 274
  25. 1681
  26. wrong
  27. 60
  28. 3200
  29. 69.65
  30. 945
  31. 166
  32. 228
  33. 27.5
  34. 199
  35. 26
  36. 9.5
  37. 255
  38. 105
  39. 145
  40. 204

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