← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 811 · 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. 1.10% of 100 =
  2. 2.130 + 38 =
  3. 3.₹10.90 − ₹6.20 =
  4. 4.535 ÷ 5 =
  5. 5.60 × 8 =
  6. 6.₹48.80 − ₹41.50 =
  7. 7.1% of 690 =
  8. 8.69² =
  9. 9.140 ÷ 5 =
  10. 10.₹33.65 + ₹36.85 =
  11. 11.3 + 3 + 8 + 9 + 7 =
  12. 12.7 + 2 + 8 + 4 =
  13. 13.160 ÷ 5 =
  14. 14.3 + 6 + 4 + 3 =
  15. 15.81² =
  16. 16.81² =
  17. 17.850 ÷ 25 =
  18. 18.25% of 660 =
  19. 19.₹87.05 − ₹16.90 =
  20. 20.₹28.30 + ₹8.40 =
  21. 21.₹66.95 + ₹4.40 =
  22. 22.71² =
  23. 23.5 + 6 + 6 + 1 + 5 =
  24. 24.191 + 77 =
  25. 25.8 × 15 =
  26. 26.89 × 50 =
  27. 27.299 + 69 =
  28. 28.8 + 3 + 2 + 8 =
  29. 29.97 × 50 =
  30. 30.8 × 15 =
  31. 31.91² =
  32. 32.Best estimate of 52 × 48? (a) 250 (b) 25000 (c) 2500 (d) 5000
  33. 33.34 × 15 =
  34. 34.500 ÷ 50 =
  35. 35.47 × 8 =
  36. 36.63 × 5 =
  37. 37.15% of 260 =
  38. 38.225 + 28 =
  39. 39.Check with nines: 131 + 203 = 333. Correct or wrong? (a) wrong (b) correct
  40. 40.39² =

Answer key

  1. 10
  2. 168
  3. 4.7
  4. 107
  5. 480
  6. 7.3
  7. 6.9
  8. 4761
  9. 28
  10. 70.5
  11. 30
  12. 21
  13. 32
  14. 16
  15. 6561
  16. 6561
  17. 34
  18. 165
  19. 70.15
  20. 36.7
  21. 71.35
  22. 5041
  23. 23
  24. 268
  25. 120
  26. 4450
  27. 368
  28. 21
  29. 4850
  30. 120
  31. 8281
  32. 2500
  33. 510
  34. 10
  35. 376
  36. 315
  37. 39
  38. 253
  39. wrong
  40. 1521

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths