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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 810 · 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. 1.5% of 20 =
  2. 2.14 × 50 =
  3. 3.49² =
  4. 4.₹70.15 + ₹2.05 =
  5. 5.34 × 15 =
  6. 6.13 × 11 =
  7. 7.22 × 8 =
  8. 8.Check with nines: 34 × 56 = 1904. Correct or wrong? (a) wrong (b) correct
  9. 9.750 ÷ 50 =
  10. 10.₹49.50 + ₹14.45 =
  11. 11.41² =
  12. 12.143 + 48 =
  13. 13.71² =
  14. 14.50% of 270 =
  15. 15.4 + 6 + 4 + 4 =
  16. 16.433 + 99 =
  17. 17.15% of 590 =
  18. 18.17 × 15 =
  19. 19.463 + 58 =
  20. 20.98 × 50 =
  21. 21.15 × 11 =
  22. 22.103 − 29 =
  23. 23.2 + 7 + 6 + 8 + 8 =
  24. 24.675 ÷ 25 =
  25. 25.Check with nines: 13 × 76 = 995. Correct or wrong? (a) correct (b) wrong
  26. 26.31 + 47 + 47 + 67 =
  27. 27.5% of 350 =
  28. 28.25% of 560 =
  29. 29.19 × 15 =
  30. 30.₹31.10 + ₹26.15 =
  31. 31.415 ÷ 5 =
  32. 32.2 + 2 + 8 + 3 + 8 =
  33. 33.14 + 77 + 53 + 37 =
  34. 34.117 − 28 =
  35. 35.31² =
  36. 36.3 + 7 + 8 + 2 =
  37. 37.202 + 57 =
  38. 38.11 × 17 =
  39. 39.740 ÷ 5 =
  40. 40.1000 ÷ 50 =

Answer key

  1. 1
  2. 700
  3. 2401
  4. 72.2
  5. 510
  6. 143
  7. 176
  8. correct
  9. 15
  10. 63.95
  11. 1681
  12. 191
  13. 5041
  14. 135
  15. 18
  16. 532
  17. 88.5
  18. 255
  19. 521
  20. 4900
  21. 165
  22. 74
  23. 31
  24. 27
  25. wrong
  26. 192
  27. 17.5
  28. 140
  29. 285
  30. 57.25
  31. 83
  32. 23
  33. 181
  34. 89
  35. 961
  36. 20
  37. 259
  38. 187
  39. 148
  40. 20

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