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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 488 · 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. 1.8 + 5 + 3 + 7 =
  2. 2.55 + 66 + 24 + 15 =
  3. 3.₹27.10 + ₹49.40 =
  4. 4.565 ÷ 5 =
  5. 5.Check with nines: 896 + 216 = 1115. Correct or wrong? (a) wrong (b) correct
  6. 6.42 × 15 =
  7. 7.350 ÷ 5 =
  8. 8.15% of 410 =
  9. 9.19 × 12 =
  10. 10.29² =
  11. 11.₹42.80 − ₹20.60 =
  12. 12.438 − 79 =
  13. 13.Check with nines: 841 + 250 = 1095. Correct or wrong? (a) wrong (b) correct
  14. 14.356 + 68 =
  15. 15.12 × 11 =
  16. 16.₹36.40 + ₹39.05 =
  17. 17.5% of 690 =
  18. 18.39² =
  19. 19.930 ÷ 5 =
  20. 20.10 × 15 =
  21. 21.77 + 51 + 76 + 14 =
  22. 22.Check with nines: 586 + 305 = 884. Correct or wrong? (a) correct (b) wrong
  23. 23.₹96.95 + ₹4.40 =
  24. 24.9 × 15 =
  25. 25.1450 ÷ 25 =
  26. 26.50 + 36 + 53 + 22 =
  27. 27.135 × 4 =
  28. 28.5% of 130 =
  29. 29.50% of 150 =
  30. 30.25% of 150 =
  31. 31.38 + 88 =
  32. 32.75 × 8 =
  33. 33.41² =
  34. 34.14 × 14 =
  35. 35.8 + 5 + 9 + 5 =
  36. 36.₹98.05 − ₹33.55 =
  37. 37.8 + 5 + 8 + 2 + 8 =
  38. 38.119 + 19 =
  39. 39.79 × 5 =
  40. 40.76 × 4 =

Answer key

  1. 23
  2. 160
  3. 76.5
  4. 113
  5. wrong
  6. 630
  7. 70
  8. 61.5
  9. 228
  10. 841
  11. 22.2
  12. 359
  13. wrong
  14. 424
  15. 132
  16. 75.45
  17. 34.5
  18. 1521
  19. 186
  20. 150
  21. 218
  22. wrong
  23. 101.35
  24. 135
  25. 58
  26. 161
  27. 540
  28. 6.5
  29. 75
  30. 37.5
  31. 126
  32. 600
  33. 1681
  34. 196
  35. 27
  36. 64.5
  37. 31
  38. 138
  39. 395
  40. 304

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