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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 472 · 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. 1.490 ÷ 5 =
  2. 2.356 + 28 =
  3. 3.795 ÷ 5 =
  4. 4.308 + 87 =
  5. 5.5% of 570 =
  6. 6.261 + 48 =
  7. 7.494 − 16 =
  8. 8.60 × 15 =
  9. 9.191 + 18 =
  10. 10.Best estimate of 82 × 82? (a) 64000 (b) 12800 (c) 640 (d) 6400
  11. 11.159 − 88 =
  12. 12.Best estimate of 797 × 4? (a) 6400 (b) 320 (c) 32000 (d) 3200
  13. 13.289 + 27 =
  14. 14.1000 ÷ 25 =
  15. 15.1150 ÷ 50 =
  16. 16.₹43.50 − ₹20.65 =
  17. 17.Best estimate of 59 × 32? (a) 3600 (b) 180 (c) 1800 (d) 18000
  18. 18.51 + 78 + 74 + 81 =
  19. 19.7 + 2 + 1 + 9 =
  20. 20.79² =
  21. 21.₹29.60 + ₹46.35 =
  22. 22.575 ÷ 25 =
  23. 23.215 + 77 =
  24. 24.62 × 15 =
  25. 25.13 × 13 =
  26. 26.27 × 50 =
  27. 27.775 ÷ 5 =
  28. 28.35 × 5 =
  29. 29.500 ÷ 25 =
  30. 30.32 + 87 + 44 + 29 =
  31. 31.4 × 15 =
  32. 32.Best estimate of 97 × 8? (a) 80 (b) 1600 (c) 8000 (d) 800
  33. 33.9 + 2 + 8 + 8 + 6 =
  34. 34.₹50.90 + ₹34.15 =
  35. 35.81² =
  36. 36.247 − 98 =
  37. 37.Check with nines: 57 × 63 = 3596. Correct or wrong? (a) correct (b) wrong
  38. 38.1550 ÷ 50 =
  39. 39.9 + 6 + 4 + 6 + 6 =
  40. 40.₹37.45 − ₹24.10 =

Answer key

  1. 98
  2. 384
  3. 159
  4. 395
  5. 28.5
  6. 309
  7. 478
  8. 900
  9. 209
  10. 6400
  11. 71
  12. 3200
  13. 316
  14. 40
  15. 23
  16. 22.85
  17. 1800
  18. 284
  19. 19
  20. 6241
  21. 75.95
  22. 23
  23. 292
  24. 930
  25. 169
  26. 1350
  27. 155
  28. 175
  29. 20
  30. 192
  31. 60
  32. 800
  33. 33
  34. 85.05
  35. 6561
  36. 149
  37. wrong
  38. 31
  39. 31
  40. 13.35

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