← Mixed speed challenge lesson New set →

Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 934 · 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.₹24.85 − ₹11.10 =
  2. 2.7 × 15 =
  3. 3.20 × 15 =
  4. 4.1 + 9 + 6 + 4 + 2 =
  5. 5.3 + 3 + 5 + 5 =
  6. 6.₹19.60 − ₹10.10 =
  7. 7.24 + 56 + 16 + 62 =
  8. 8.Best estimate of 197 × 7? (a) 2800 (b) 14000 (c) 140 (d) 1400
  9. 9.Check with nines: 47 × 67 = 3149. Correct or wrong? (a) wrong (b) correct
  10. 10.41 × 5 =
  11. 11.1% of 140 =
  12. 12.318 + 17 =
  13. 13.79 × 5 =
  14. 14.112 × 4 =
  15. 15.Check with nines: 913 + 563 = 1476. Correct or wrong? (a) wrong (b) correct
  16. 16.11 × 16 =
  17. 17.Check with nines: 765 + 155 = 920. Correct or wrong? (a) wrong (b) correct
  18. 18.24 × 15 =
  19. 19.18 × 12 =
  20. 20.15% of 730 =
  21. 21.211 − 69 =
  22. 22.498 + 29 =
  23. 23.69 + 37 =
  24. 24.18 × 19 =
  25. 25.338 − 48 =
  26. 26.18 × 15 =
  27. 27.91² =
  28. 28.19² =
  29. 29.5% of 180 =
  30. 30.100 ÷ 25 =
  31. 31.75 + 48 + 37 + 77 =
  32. 32.₹96.60 − ₹43.55 =
  33. 33.5 + 5 + 4 + 5 =
  34. 34.Best estimate of 22 × 91? (a) 3600 (b) 18000 (c) 1800 (d) 180
  35. 35.Check with nines: 520 + 575 = 1096. Correct or wrong? (a) wrong (b) correct
  36. 36.49 × 15 =
  37. 37.20 × 4 =
  38. 38.39² =
  39. 39.49 + 57 + 35 + 72 =
  40. 40.65 × 8 =

Answer key

  1. 13.75
  2. 105
  3. 300
  4. 22
  5. 16
  6. 9.5
  7. 158
  8. 1400
  9. correct
  10. 205
  11. 1.4
  12. 335
  13. 395
  14. 448
  15. correct
  16. 176
  17. correct
  18. 360
  19. 216
  20. 109.5
  21. 142
  22. 527
  23. 106
  24. 342
  25. 290
  26. 270
  27. 8281
  28. 361
  29. 9
  30. 4
  31. 237
  32. 53.05
  33. 19
  34. 1800
  35. wrong
  36. 735
  37. 80
  38. 1521
  39. 213
  40. 520

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