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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 978 · 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.₹77.70 + ₹46.75 =
  2. 2.43 + 68 + 78 + 57 =
  3. 3.8 + 6 + 5 + 2 =
  4. 4.115 ÷ 5 =
  5. 5.Check with nines: 942 + 913 = 1855. Correct or wrong? (a) correct (b) wrong
  6. 6.248 + 39 =
  7. 7.550 ÷ 25 =
  8. 8.1800 ÷ 50 =
  9. 9.Best estimate of 398 × 5? (a) 200 (b) 20000 (c) 4000 (d) 2000
  10. 10.37 × 4 =
  11. 11.65 × 5 =
  12. 12.43 × 50 =
  13. 13.20 + 65 + 73 + 67 =
  14. 14.91² =
  15. 15.₹70.05 + ₹20.85 =
  16. 16.36 × 5 =
  17. 17.2 + 7 + 8 + 2 + 1 =
  18. 18.1% of 560 =
  19. 19.41² =
  20. 20.₹16.15 + ₹6.25 =
  21. 21.47 + 49 =
  22. 22.273 + 37 =
  23. 23.350 ÷ 5 =
  24. 24.1 + 7 + 8 + 7 + 3 =
  25. 25.16 × 12 =
  26. 26.61² =
  27. 27.100 × 4 =
  28. 28.5% of 580 =
  29. 29.79² =
  30. 30.89 × 5 =
  31. 31.34 + 47 + 32 + 47 =
  32. 32.Check with nines: 63 × 62 = 3908. Correct or wrong? (a) correct (b) wrong
  33. 33.114 − 27 =
  34. 34.Best estimate of 897 × 5? (a) 450 (b) 45000 (c) 4500 (d) 9000
  35. 35.₹43.55 − ₹26.35 =
  36. 36.₹30.55 − ₹23.05 =
  37. 37.₹24.15 + ₹36.25 =
  38. 38.82 + 40 + 40 + 74 =
  39. 39.155 − 36 =
  40. 40.7 + 5 + 7 + 5 + 3 =

Answer key

  1. 124.45
  2. 246
  3. 21
  4. 23
  5. correct
  6. 287
  7. 22
  8. 36
  9. 2000
  10. 148
  11. 325
  12. 2150
  13. 225
  14. 8281
  15. 90.9
  16. 180
  17. 20
  18. 5.6
  19. 1681
  20. 22.4
  21. 96
  22. 310
  23. 70
  24. 26
  25. 192
  26. 3721
  27. 400
  28. 29
  29. 6241
  30. 445
  31. 160
  32. wrong
  33. 87
  34. 4500
  35. 17.2
  36. 7.5
  37. 60.4
  38. 236
  39. 119
  40. 27

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