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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 339 · 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. 1.50% of 560 =
  2. 2.29² =
  3. 3.4 + 7 + 7 + 6 + 3 =
  4. 4.20% of 850 =
  5. 5.Check with nines: 17 × 33 = 561. Correct or wrong? (a) wrong (b) correct
  6. 6.405 ÷ 5 =
  7. 7.24 + 66 + 68 + 28 =
  8. 8.81 + 48 =
  9. 9.160 ÷ 5 =
  10. 10.438 + 78 =
  11. 11.479 − 18 =
  12. 12.225 ÷ 5 =
  13. 13.64 × 50 =
  14. 14.294 − 29 =
  15. 15.79² =
  16. 16.343 + 77 =
  17. 17.18 × 16 =
  18. 18.₹39.45 − ₹26.50 =
  19. 19.395 ÷ 5 =
  20. 20.29² =
  21. 21.71² =
  22. 22.81² =
  23. 23.1700 ÷ 50 =
  24. 24.205 − 38 =
  25. 25.10% of 270 =
  26. 26.275 + 77 =
  27. 27.Best estimate of 401 × 4? (a) 160 (b) 16000 (c) 1600 (d) 3200
  28. 28.12 × 15 =
  29. 29.1% of 570 =
  30. 30.Best estimate of 52 × 72? (a) 3500 (b) 35000 (c) 7000 (d) 350
  31. 31.₹8.20 + ₹46.30 =
  32. 32.20 × 50 =
  33. 33.73 + 69 + 48 + 73 =
  34. 34.1% of 80 =
  35. 35.980 ÷ 5 =
  36. 36.59 × 15 =
  37. 37.595 ÷ 5 =
  38. 38.770 ÷ 5 =
  39. 39.161 + 39 =
  40. 40.49 × 15 =

Answer key

  1. 280
  2. 841
  3. 27
  4. 170
  5. correct
  6. 81
  7. 186
  8. 129
  9. 32
  10. 516
  11. 461
  12. 45
  13. 3200
  14. 265
  15. 6241
  16. 420
  17. 288
  18. 12.95
  19. 79
  20. 841
  21. 5041
  22. 6561
  23. 34
  24. 167
  25. 27
  26. 352
  27. 1600
  28. 180
  29. 5.7
  30. 3500
  31. 54.5
  32. 1000
  33. 263
  34. 0.8
  35. 196
  36. 885
  37. 119
  38. 154
  39. 200
  40. 735

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