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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 347 · 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. 1.1% of 60 =
  2. 2.64 × 15 =
  3. 3.1200 ÷ 50 =
  4. 4.149 − 16 =
  5. 5.59² =
  6. 6.43 + 36 + 36 + 25 =
  7. 7.57 + 35 + 80 + 18 =
  8. 8.27 × 5 =
  9. 9.₹22.50 − ₹20.90 =
  10. 10.93 × 5 =
  11. 11.Check with nines: 337 + 234 = 575. Correct or wrong? (a) correct (b) wrong
  12. 12.12 × 12 =
  13. 13.32 × 50 =
  14. 14.78 × 5 =
  15. 15.1 + 7 + 9 + 2 =
  16. 16.273 + 69 =
  17. 17.455 ÷ 5 =
  18. 18.47 + 43 + 75 + 49 =
  19. 19.13 × 16 =
  20. 20.17 × 15 =
  21. 21.33 × 5 =
  22. 22.31² =
  23. 23.43 + 53 + 59 + 41 =
  24. 24.16 × 15 =
  25. 25.37 × 4 =
  26. 26.3 + 7 + 5 + 6 =
  27. 27.14 × 5 =
  28. 28.₹27.05 − ₹25.05 =
  29. 29.₹62.45 + ₹16.55 =
  30. 30.48 × 8 =
  31. 31.328 + 17 =
  32. 32.14 × 12 =
  33. 33.13 × 12 =
  34. 34.9 + 2 + 6 + 7 + 4 =
  35. 35.17 × 5 =
  36. 36.67 × 8 =
  37. 37.184 − 66 =
  38. 38.Check with nines: 745 + 873 = 1618. Correct or wrong? (a) correct (b) wrong
  39. 39.₹22.05 + ₹48.30 =
  40. 40.4 × 15 =

Answer key

  1. 0.6
  2. 960
  3. 24
  4. 133
  5. 3481
  6. 140
  7. 190
  8. 135
  9. 1.6
  10. 465
  11. wrong
  12. 144
  13. 1600
  14. 390
  15. 19
  16. 342
  17. 91
  18. 214
  19. 208
  20. 255
  21. 165
  22. 961
  23. 196
  24. 240
  25. 148
  26. 21
  27. 70
  28. 2
  29. 79
  30. 384
  31. 345
  32. 168
  33. 156
  34. 28
  35. 85
  36. 536
  37. 118
  38. correct
  39. 70.35
  40. 60

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