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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 340 · 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.₹49.35 − ₹3.15 =
  2. 2.20 × 5 =
  3. 3.385 − 77 =
  4. 4.16 × 4 =
  5. 5.8 + 1 + 9 + 2 =
  6. 6.₹49.25 + ₹48.10 =
  7. 7.Check with nines: 83 × 27 = 2241. Correct or wrong? (a) correct (b) wrong
  8. 8.45 + 18 + 41 + 14 =
  9. 9.725 ÷ 5 =
  10. 10.8 × 15 =
  11. 11.45 + 38 + 80 + 89 =
  12. 12.470 + 87 =
  13. 13.520 − 49 =
  14. 14.69² =
  15. 15.1 + 3 + 7 + 7 + 2 =
  16. 16.565 ÷ 5 =
  17. 17.Check with nines: 425 + 673 = 1106. Correct or wrong? (a) correct (b) wrong
  18. 18.12 × 16 =
  19. 19.327 − 19 =
  20. 20.96 × 50 =
  21. 21.29² =
  22. 22.12 + 32 + 44 + 66 =
  23. 23.270 ÷ 5 =
  24. 24.7 + 7 + 3 + 9 + 7 =
  25. 25.71² =
  26. 26.127 − 29 =
  27. 27.17 × 11 =
  28. 28.117 × 4 =
  29. 29.₹95.20 − ₹32.75 =
  30. 30.18 × 17 =
  31. 31.105 ÷ 5 =
  32. 32.179 + 39 =
  33. 33.97 × 5 =
  34. 34.Best estimate of 297 × 4? (a) 2400 (b) 120 (c) 1200 (d) 12000
  35. 35.750 ÷ 50 =
  36. 36.1 + 4 + 6 + 5 =
  37. 37.48 × 15 =
  38. 38.15% of 780 =
  39. 39.13 × 18 =
  40. 40.63 × 15 =

Answer key

  1. 46.2
  2. 100
  3. 308
  4. 64
  5. 20
  6. 97.35
  7. correct
  8. 118
  9. 145
  10. 120
  11. 252
  12. 557
  13. 471
  14. 4761
  15. 20
  16. 113
  17. wrong
  18. 192
  19. 308
  20. 4800
  21. 841
  22. 154
  23. 54
  24. 33
  25. 5041
  26. 98
  27. 187
  28. 468
  29. 62.45
  30. 306
  31. 21
  32. 218
  33. 485
  34. 1200
  35. 15
  36. 16
  37. 720
  38. 117
  39. 234
  40. 945

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