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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 764 · 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. 1.60 + 79 + 83 + 88 =
  2. 2.407 + 57 =
  3. 3.15 × 13 =
  4. 4.Check with nines: 712 + 558 = 1270. Correct or wrong? (a) correct (b) wrong
  5. 5.38 × 8 =
  6. 6.79 + 25 + 11 + 31 =
  7. 7.₹82.45 + ₹45.70 =
  8. 8.11 × 16 =
  9. 9.18 + 43 + 59 + 33 =
  10. 10.35 + 57 =
  11. 11.42 × 15 =
  12. 12.27 + 88 + 34 + 87 =
  13. 13.₹91.70 + ₹20.30 =
  14. 14.31 × 50 =
  15. 15.43 + 31 + 84 + 40 =
  16. 16.245 − 59 =
  17. 17.1000 ÷ 25 =
  18. 18.126 − 39 =
  19. 19.65 × 5 =
  20. 20.Check with nines: 373 + 236 = 610. Correct or wrong? (a) wrong (b) correct
  21. 21.21² =
  22. 22.89² =
  23. 23.₹96.70 − ₹46.30 =
  24. 24.39 + 24 + 33 + 87 =
  25. 25.123 + 67 =
  26. 26.124 × 4 =
  27. 27.30 × 15 =
  28. 28.₹18.30 + ₹46.20 =
  29. 29.36 × 15 =
  30. 30.155 × 4 =
  31. 31.7 + 9 + 1 + 9 + 8 =
  32. 32.25 + 68 + 84 + 73 =
  33. 33.91² =
  34. 34.64 + 56 + 48 + 25 =
  35. 35.250 ÷ 25 =
  36. 36.133 × 4 =
  37. 37.512 − 58 =
  38. 38.4 + 6 + 8 + 2 =
  39. 39.17 + 47 + 79 + 76 =
  40. 40.17 × 15 =

Answer key

  1. 310
  2. 464
  3. 195
  4. correct
  5. 304
  6. 146
  7. 128.15
  8. 176
  9. 153
  10. 92
  11. 630
  12. 236
  13. 112
  14. 1550
  15. 198
  16. 186
  17. 40
  18. 87
  19. 325
  20. wrong
  21. 441
  22. 7921
  23. 50.4
  24. 183
  25. 190
  26. 496
  27. 450
  28. 64.5
  29. 540
  30. 620
  31. 34
  32. 250
  33. 8281
  34. 193
  35. 10
  36. 532
  37. 454
  38. 20
  39. 219
  40. 255

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