← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 192 · 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. 1.302 − 48 =
  2. 2.4 × 15 =
  3. 3.11 × 16 =
  4. 4.380 ÷ 5 =
  5. 5.359 − 46 =
  6. 6.61² =
  7. 7.12 × 16 =
  8. 8.₹34.85 + ₹47.45 =
  9. 9.50% of 490 =
  10. 10.45 × 15 =
  11. 11.29 × 15 =
  12. 12.5 + 7 + 6 + 5 + 4 =
  13. 13.Check with nines: 642 + 816 = 1455. Correct or wrong? (a) correct (b) wrong
  14. 14.68 + 77 =
  15. 15.17 + 82 + 20 + 13 =
  16. 16.Check with nines: 42 × 77 = 3234. Correct or wrong? (a) correct (b) wrong
  17. 17.75 × 50 =
  18. 18.₹81.75 − ₹39.10 =
  19. 19.29² =
  20. 20.306 + 58 =
  21. 21.561 − 79 =
  22. 22.10% of 690 =
  23. 23.26 × 15 =
  24. 24.5% of 370 =
  25. 25.198 + 57 =
  26. 26.230 ÷ 5 =
  27. 27.Check with nines: 794 + 973 = 1767. Correct or wrong? (a) correct (b) wrong
  28. 28.1% of 700 =
  29. 29.Best estimate of 897 × 3? (a) 5400 (b) 270 (c) 2700 (d) 27000
  30. 30.4 + 2 + 6 + 3 =
  31. 31.34 + 63 + 43 + 12 =
  32. 32.74 × 5 =
  33. 33.8 + 1 + 3 + 7 =
  34. 34.72 × 4 =
  35. 35.995 ÷ 5 =
  36. 36.₹62.05 − ₹34.40 =
  37. 37.76 × 50 =
  38. 38.89² =
  39. 39.74 + 44 + 11 + 88 =
  40. 40.550 ÷ 50 =

Answer key

  1. 254
  2. 60
  3. 176
  4. 76
  5. 313
  6. 3721
  7. 192
  8. 82.3
  9. 245
  10. 675
  11. 435
  12. 27
  13. wrong
  14. 145
  15. 132
  16. correct
  17. 3750
  18. 42.65
  19. 841
  20. 364
  21. 482
  22. 69
  23. 390
  24. 18.5
  25. 255
  26. 46
  27. correct
  28. 7
  29. 2700
  30. 15
  31. 152
  32. 370
  33. 19
  34. 288
  35. 199
  36. 27.65
  37. 3800
  38. 7921
  39. 217
  40. 11

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