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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 575 · 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. 1.740 ÷ 5 =
  2. 2.15% of 290 =
  3. 3.₹27.35 − ₹13.75 =
  4. 4.₹78.80 − ₹30.40 =
  5. 5.21² =
  6. 6.20% of 30 =
  7. 7.₹14.75 + ₹30.20 =
  8. 8.15 × 50 =
  9. 9.Best estimate of 98 × 3? (a) 600 (b) 300 (c) 3000 (d) 30
  10. 10.1325 ÷ 25 =
  11. 11.Best estimate of 298 × 9? (a) 2700 (b) 270 (c) 27000 (d) 5400
  12. 12.53 × 15 =
  13. 13.1150 ÷ 50 =
  14. 14.80 × 5 =
  15. 15.5% of 660 =
  16. 16.18 × 5 =
  17. 17.25 + 54 + 65 + 27 =
  18. 18.19 × 50 =
  19. 19.₹46.25 − ₹31.20 =
  20. 20.134 × 4 =
  21. 21.388 − 29 =
  22. 22.5% of 660 =
  23. 23.19² =
  24. 24.26 × 15 =
  25. 25.353 + 18 =
  26. 26.69² =
  27. 27.₹13.05 − ₹9.20 =
  28. 28.308 − 26 =
  29. 29.89² =
  30. 30.18 × 13 =
  31. 31.294 + 19 =
  32. 32.54 + 49 + 21 + 22 =
  33. 33.16 × 15 =
  34. 34.Check with nines: 741 + 398 = 1139. Correct or wrong? (a) wrong (b) correct
  35. 35.149 − 98 =
  36. 36.₹60.55 + ₹21.05 =
  37. 37.Best estimate of 703 × 4? (a) 280 (b) 28000 (c) 5600 (d) 2800
  38. 38.₹41.05 − ₹25.95 =
  39. 39.71 × 8 =
  40. 40.78 + 25 + 60 + 32 =

Answer key

  1. 148
  2. 43.5
  3. 13.6
  4. 48.4
  5. 441
  6. 6
  7. 44.95
  8. 750
  9. 300
  10. 53
  11. 2700
  12. 795
  13. 23
  14. 400
  15. 33
  16. 90
  17. 171
  18. 950
  19. 15.05
  20. 536
  21. 359
  22. 33
  23. 361
  24. 390
  25. 371
  26. 4761
  27. 3.85
  28. 282
  29. 7921
  30. 234
  31. 313
  32. 146
  33. 240
  34. correct
  35. 51
  36. 81.6
  37. 2800
  38. 15.1
  39. 568
  40. 195

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