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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 633 · 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.₹87.65 + ₹16.85 =
  2. 2.Best estimate of 59 × 32? (a) 18000 (b) 180 (c) 3600 (d) 1800
  3. 3.94 − 27 =
  4. 4.79 × 50 =
  5. 5.7 + 8 + 8 + 5 + 5 =
  6. 6.6 + 2 + 9 + 3 + 4 =
  7. 7.81 + 41 + 69 + 53 =
  8. 8.135 × 4 =
  9. 9.238 + 67 =
  10. 10.8 + 9 + 2 + 2 =
  11. 11.₹43.60 − ₹38.60 =
  12. 12.62 × 8 =
  13. 13.₹44.40 + ₹44.50 =
  14. 14.36 × 15 =
  15. 15.24 × 8 =
  16. 16.60 × 50 =
  17. 17.145 ÷ 5 =
  18. 18.97 × 5 =
  19. 19.Check with nines: 28 × 82 = 2291. Correct or wrong? (a) wrong (b) correct
  20. 20.96 × 5 =
  21. 21.91² =
  22. 22.5 + 5 + 3 + 2 + 8 =
  23. 23.497 − 89 =
  24. 24.Best estimate of 703 × 3? (a) 210 (b) 21000 (c) 4200 (d) 2100
  25. 25.424 − 77 =
  26. 26.₹44.45 + ₹4.25 =
  27. 27.80 × 50 =
  28. 28.35 × 15 =
  29. 29.18 × 16 =
  30. 30.37 × 4 =
  31. 31.15% of 450 =
  32. 32.19 × 50 =
  33. 33.64 + 89 + 67 + 73 =
  34. 34.112 × 4 =
  35. 35.750 ÷ 25 =
  36. 36.56 + 77 =
  37. 37.312 − 18 =
  38. 38.39² =
  39. 39.₹83.75 + ₹24.55 =
  40. 40.375 ÷ 25 =

Answer key

  1. 104.5
  2. 1800
  3. 67
  4. 3950
  5. 33
  6. 24
  7. 244
  8. 540
  9. 305
  10. 21
  11. 5
  12. 496
  13. 88.9
  14. 540
  15. 192
  16. 3000
  17. 29
  18. 485
  19. wrong
  20. 480
  21. 8281
  22. 23
  23. 408
  24. 2100
  25. 347
  26. 48.7
  27. 4000
  28. 525
  29. 288
  30. 148
  31. 67.5
  32. 950
  33. 293
  34. 448
  35. 30
  36. 133
  37. 294
  38. 1521
  39. 108.3
  40. 15

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