← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 26 · 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. 1.69 × 8 =
  2. 2.270 + 17 =
  3. 3.29² =
  4. 4.25% of 630 =
  5. 5.42 × 50 =
  6. 6.14 × 8 =
  7. 7.10 × 15 =
  8. 8.12 × 15 =
  9. 9.414 − 29 =
  10. 10.71² =
  11. 11.493 + 18 =
  12. 12.2 + 4 + 7 + 8 + 6 =
  13. 13.₹65.30 + ₹36.75 =
  14. 14.25 × 4 =
  15. 15.Best estimate of 497 × 5? (a) 25000 (b) 2500 (c) 250 (d) 5000
  16. 16.27 + 84 + 12 + 65 =
  17. 17.350 ÷ 5 =
  18. 18.84 + 79 =
  19. 19.16 × 19 =
  20. 20.20% of 900 =
  21. 21.3 + 4 + 7 + 3 + 5 =
  22. 22.198 − 89 =
  23. 23.Check with nines: 492 + 358 = 852. Correct or wrong? (a) correct (b) wrong
  24. 24.32 × 8 =
  25. 25.8 × 15 =
  26. 26.Check with nines: 295 + 437 = 732. Correct or wrong? (a) wrong (b) correct
  27. 27.23 × 4 =
  28. 28.₹44.25 + ₹23.35 =
  29. 29.514 − 47 =
  30. 30.425 ÷ 25 =
  31. 31.399 + 48 =
  32. 32.375 ÷ 5 =
  33. 33.1% of 700 =
  34. 34.94 × 50 =
  35. 35.32 × 4 =
  36. 36.132 × 4 =
  37. 37.41 × 8 =
  38. 38.25% of 780 =
  39. 39.1 + 8 + 2 + 5 + 9 =
  40. 40.66 + 16 + 44 + 30 =

Answer key

  1. 552
  2. 287
  3. 841
  4. 157.5
  5. 2100
  6. 112
  7. 150
  8. 180
  9. 385
  10. 5041
  11. 511
  12. 27
  13. 102.05
  14. 100
  15. 2500
  16. 188
  17. 70
  18. 163
  19. 304
  20. 180
  21. 22
  22. 109
  23. wrong
  24. 256
  25. 120
  26. correct
  27. 92
  28. 67.6
  29. 467
  30. 17
  31. 447
  32. 75
  33. 7
  34. 4700
  35. 128
  36. 528
  37. 328
  38. 195
  39. 25
  40. 156

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