← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 212 · 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. 1.357 + 89 =
  2. 2.51 × 50 =
  3. 3.16 × 16 =
  4. 4.3 + 6 + 1 + 7 =
  5. 5.350 ÷ 50 =
  6. 6.Best estimate of 302 × 8? (a) 24000 (b) 240 (c) 2400 (d) 4800
  7. 7.85 + 89 + 65 + 33 =
  8. 8.Check with nines: 436 + 720 = 1156. Correct or wrong? (a) wrong (b) correct
  9. 9.Best estimate of 202 × 4? (a) 8000 (b) 800 (c) 80 (d) 1600
  10. 10.61 × 8 =
  11. 11.₹84.70 − ₹3.60 =
  12. 12.42 × 8 =
  13. 13.361 − 29 =
  14. 14.15% of 730 =
  15. 15.303 + 39 =
  16. 16.18 × 8 =
  17. 17.235 ÷ 5 =
  18. 18.359 + 79 =
  19. 19.296 + 68 =
  20. 20.Check with nines: 893 + 898 = 1791. Correct or wrong? (a) correct (b) wrong
  21. 21.39² =
  22. 22.51² =
  23. 23.44 × 15 =
  24. 24.6 + 9 + 5 + 4 + 2 =
  25. 25.484 − 36 =
  26. 26.4 + 2 + 5 + 9 + 5 =
  27. 27.70 × 8 =
  28. 28.59² =
  29. 29.1% of 340 =
  30. 30.441 − 17 =
  31. 31.8 × 15 =
  32. 32.72 + 85 + 60 + 82 =
  33. 33.1% of 810 =
  34. 34.71 + 63 + 39 + 83 =
  35. 35.965 ÷ 5 =
  36. 36.80 + 23 + 25 + 42 =
  37. 37.9 + 7 + 5 + 3 + 1 =
  38. 38.376 + 57 =
  39. 39.51 × 50 =
  40. 40.375 ÷ 25 =

Answer key

  1. 446
  2. 2550
  3. 256
  4. 17
  5. 7
  6. 2400
  7. 272
  8. correct
  9. 800
  10. 488
  11. 81.1
  12. 336
  13. 332
  14. 109.5
  15. 342
  16. 144
  17. 47
  18. 438
  19. 364
  20. correct
  21. 1521
  22. 2601
  23. 660
  24. 26
  25. 448
  26. 25
  27. 560
  28. 3481
  29. 3.4
  30. 424
  31. 120
  32. 299
  33. 8.1
  34. 256
  35. 193
  36. 170
  37. 25
  38. 433
  39. 2550
  40. 15

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths