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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 514 · 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.₹16.50 − ₹7.10 =
  2. 2.367 + 39 =
  3. 3.136 + 99 =
  4. 4.41² =
  5. 5.386 − 66 =
  6. 6.29² =
  7. 7.15% of 210 =
  8. 8.29 × 8 =
  9. 9.12 × 18 =
  10. 10.91 × 50 =
  11. 11.1600 ÷ 50 =
  12. 12.8 + 5 + 2 + 9 =
  13. 13.8 + 8 + 7 + 3 =
  14. 14.12 × 5 =
  15. 15.23 × 50 =
  16. 16.128 + 17 =
  17. 17.254 − 87 =
  18. 18.39² =
  19. 19.13 × 11 =
  20. 20.62 + 21 + 56 + 20 =
  21. 21.Best estimate of 29 × 18? (a) 60 (b) 600 (c) 6000 (d) 1200
  22. 22.₹38.20 + ₹46.05 =
  23. 23.₹23.45 − ₹18.60 =
  24. 24.1100 ÷ 50 =
  25. 25.₹27.95 − ₹13.15 =
  26. 26.1% of 700 =
  27. 27.60 × 15 =
  28. 28.30 + 88 + 79 + 35 =
  29. 29.₹60.95 + ₹18.70 =
  30. 30.63 × 50 =
  31. 31.31² =
  32. 32.18 × 15 =
  33. 33.13 × 14 =
  34. 34.4 + 3 + 6 + 2 + 8 =
  35. 35.32 × 8 =
  36. 36.19² =
  37. 37.11 × 12 =
  38. 38.33 × 50 =
  39. 39.59 × 15 =
  40. 40.1900 ÷ 50 =

Answer key

  1. 9.4
  2. 406
  3. 235
  4. 1681
  5. 320
  6. 841
  7. 31.5
  8. 232
  9. 216
  10. 4550
  11. 32
  12. 24
  13. 26
  14. 60
  15. 1150
  16. 145
  17. 167
  18. 1521
  19. 143
  20. 159
  21. 600
  22. 84.25
  23. 4.85
  24. 22
  25. 14.8
  26. 7
  27. 900
  28. 232
  29. 79.65
  30. 3150
  31. 961
  32. 270
  33. 182
  34. 23
  35. 256
  36. 361
  37. 132
  38. 1650
  39. 885
  40. 38

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