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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 303 · 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. 1.19² =
  2. 2.16 × 19 =
  3. 3.Check with nines: 15 × 73 = 1091. Correct or wrong? (a) correct (b) wrong
  4. 4.37 × 5 =
  5. 5.27 × 4 =
  6. 6.58 × 50 =
  7. 7.90 × 5 =
  8. 8.₹33.60 + ₹6.80 =
  9. 9.17 × 11 =
  10. 10.1200 ÷ 25 =
  11. 11.79² =
  12. 12.65 × 8 =
  13. 13.20% of 830 =
  14. 14.₹58.20 − ₹48.35 =
  15. 15.73 × 4 =
  16. 16.88 × 4 =
  17. 17.Best estimate of 103 × 6? (a) 600 (b) 6000 (c) 1200 (d) 60
  18. 18.215 + 89 =
  19. 19.59² =
  20. 20.14 × 12 =
  21. 21.53 + 49 =
  22. 22.Check with nines: 34 × 62 = 2112. Correct or wrong? (a) wrong (b) correct
  23. 23.13 + 66 + 33 + 81 =
  24. 24.1375 ÷ 25 =
  25. 25.1% of 480 =
  26. 26.1500 ÷ 25 =
  27. 27.49² =
  28. 28.325 + 77 =
  29. 29.34 × 50 =
  30. 30.20 × 15 =
  31. 31.1% of 700 =
  32. 32.₹40.30 − ₹26.40 =
  33. 33.54 × 5 =
  34. 34.95 × 4 =
  35. 35.Check with nines: 34 × 23 = 782. Correct or wrong? (a) wrong (b) correct
  36. 36.47 + 65 + 31 + 30 =
  37. 37.1025 ÷ 25 =
  38. 38.41² =
  39. 39.154 + 27 =
  40. 40.₹98.80 + ₹47.30 =

Answer key

  1. 361
  2. 304
  3. wrong
  4. 185
  5. 108
  6. 2900
  7. 450
  8. 40.4
  9. 187
  10. 48
  11. 6241
  12. 520
  13. 166
  14. 9.85
  15. 292
  16. 352
  17. 600
  18. 304
  19. 3481
  20. 168
  21. 102
  22. wrong
  23. 193
  24. 55
  25. 4.8
  26. 60
  27. 2401
  28. 402
  29. 1700
  30. 300
  31. 7
  32. 13.9
  33. 270
  34. 380
  35. correct
  36. 173
  37. 41
  38. 1681
  39. 181
  40. 146.1

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