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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 744 · 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. 1.2 + 9 + 8 + 2 =
  2. 2.89² =
  3. 3.750 ÷ 50 =
  4. 4.9 + 1 + 2 + 4 + 2 =
  5. 5.6 × 15 =
  6. 6.333 + 37 =
  7. 7.1175 ÷ 25 =
  8. 8.64 − 47 =
  9. 9.50% of 120 =
  10. 10.3 + 8 + 2 + 8 =
  11. 11.17 × 16 =
  12. 12.52 × 8 =
  13. 13.2 + 8 + 8 + 7 =
  14. 14.74 × 50 =
  15. 15.25 × 15 =
  16. 16.64 × 8 =
  17. 17.49 × 8 =
  18. 18.34 × 15 =
  19. 19.10% of 790 =
  20. 20.65 × 4 =
  21. 21.91 × 5 =
  22. 22.Check with nines: 94 × 24 = 2256. Correct or wrong? (a) wrong (b) correct
  23. 23.41² =
  24. 24.242 − 16 =
  25. 25.28 × 15 =
  26. 26.287 + 39 =
  27. 27.Best estimate of 803 × 7? (a) 5600 (b) 560 (c) 11200 (d) 56000
  28. 28.59 × 8 =
  29. 29.73 + 68 + 82 + 33 =
  30. 30.463 + 99 =
  31. 31.5 + 1 + 2 + 9 + 9 =
  32. 32.₹91.20 − ₹31.65 =
  33. 33.371 − 47 =
  34. 34.Best estimate of 49 × 31? (a) 15000 (b) 1500 (c) 150 (d) 3000
  35. 35.62 × 15 =
  36. 36.34 × 15 =
  37. 37.₹96.30 − ₹3.85 =
  38. 38.17 × 15 =
  39. 39.60 + 24 + 81 + 63 =
  40. 40.330 + 97 =

Answer key

  1. 21
  2. 7921
  3. 15
  4. 18
  5. 90
  6. 370
  7. 47
  8. 17
  9. 60
  10. 21
  11. 272
  12. 416
  13. 25
  14. 3700
  15. 375
  16. 512
  17. 392
  18. 510
  19. 79
  20. 260
  21. 455
  22. correct
  23. 1681
  24. 226
  25. 420
  26. 326
  27. 5600
  28. 472
  29. 256
  30. 562
  31. 26
  32. 59.55
  33. 324
  34. 1500
  35. 930
  36. 510
  37. 92.45
  38. 255
  39. 228
  40. 427

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