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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 493 · 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. 1.63 × 15 =
  2. 2.15 × 15 =
  3. 3.42 × 15 =
  4. 4.38 + 13 + 11 + 69 =
  5. 5.Best estimate of 598 × 4? (a) 240 (b) 4800 (c) 24000 (d) 2400
  6. 6.Check with nines: 73 × 33 = 2409. Correct or wrong? (a) correct (b) wrong
  7. 7.55 × 15 =
  8. 8.1 + 3 + 8 + 9 =
  9. 9.20% of 490 =
  10. 10.695 ÷ 5 =
  11. 11.3 + 2 + 1 + 3 + 7 =
  12. 12.15 × 17 =
  13. 13.353 − 29 =
  14. 14.₹38.15 − ₹18.30 =
  15. 15.1 + 1 + 4 + 8 + 9 =
  16. 16.39² =
  17. 17.Check with nines: 15 × 69 = 1035. Correct or wrong? (a) wrong (b) correct
  18. 18.75 × 50 =
  19. 19.Best estimate of 499 × 7? (a) 350 (b) 3500 (c) 35000 (d) 7000
  20. 20.187 − 47 =
  21. 21.34 × 8 =
  22. 22.43 + 35 + 20 + 45 =
  23. 23.384 + 27 =
  24. 24.32 × 15 =
  25. 25.₹54.65 − ₹5.35 =
  26. 26.7 + 5 + 1 + 5 + 7 =
  27. 27.132 + 37 =
  28. 28.350 ÷ 50 =
  29. 29.126 − 89 =
  30. 30.5% of 430 =
  31. 31.420 + 77 =
  32. 32.11 × 15 =
  33. 33.92 × 50 =
  34. 34.66 × 4 =
  35. 35.55 + 78 + 25 + 52 =
  36. 36.51² =
  37. 37.12 × 11 =
  38. 38.141 + 89 =
  39. 39.29² =
  40. 40.45 + 16 + 67 + 73 =

Answer key

  1. 945
  2. 225
  3. 630
  4. 131
  5. 2400
  6. correct
  7. 825
  8. 21
  9. 98
  10. 139
  11. 16
  12. 255
  13. 324
  14. 19.85
  15. 23
  16. 1521
  17. correct
  18. 3750
  19. 3500
  20. 140
  21. 272
  22. 143
  23. 411
  24. 480
  25. 49.3
  26. 25
  27. 169
  28. 7
  29. 37
  30. 21.5
  31. 497
  32. 165
  33. 4600
  34. 264
  35. 210
  36. 2601
  37. 132
  38. 230
  39. 841
  40. 201

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