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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 961 · 40 questions
TalentJR

How to solve it (Same number of places): Add zeros at the end so every decimal has the same number of places (0.5 = 0.500). Compare or add them like whole numbers, keeping the decimal points in a line. Place value after the point: tenths (0.1), hundredths (0.01), thousandths (0.001).

NameDateTime takenScore ___ / 40
  1. 1.Which is the greatest: 0.7, 0.045, 0.638, 0.72? (a) 0.7 (b) 0.045 (c) 0.638 (d) 0.72
  2. 2.9.41 + 9.4 = ? (a) 18.71 (b) 18.81 (c) 10.35 (d) 18.91
  3. 3.What is the value of the digit 6 in 68.132? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  4. 4.What is the value of the digit 2 in 47.523? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  5. 5.What is the value of the digit 3 in 34.652? (a) 3 (b) 0.3 (c) 30 (d) 0.03
  6. 6.Which is the smallest: 0.33, 0.3, 0.084, 0.212? (a) 0.33 (b) 0.3 (c) 0.084 (d) 0.212
  7. 7.What is the value of the digit 5 in 75.692? (a) 0.5 (b) 5 (c) 0.05 (d) 50
  8. 8.9.39 + 2.3 = ? (a) 11.59 (b) 9.62 (c) 11.79 (d) 11.69
  9. 9.What is the value of the digit 5 in 17.584? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  10. 10.Which is the greatest: 0.2, 0.22, 0.061, 0.114? (a) 0.2 (b) 0.22 (c) 0.061 (d) 0.114
  11. 11.8.69 + 9.3 = ? (a) 17.89 (b) 17.99 (c) 9.62 (d) 18.09
  12. 12.Which is the smallest: 0.85, 0.8, 0.052, 0.774? (a) 0.85 (b) 0.8 (c) 0.052 (d) 0.774
  13. 13.Which is the greatest: 0.61, 0.6, 0.075, 0.542? (a) 0.61 (b) 0.6 (c) 0.075 (d) 0.542
  14. 14.Which is the greatest: 0.671, 0.067, 0.7, 0.74? (a) 0.671 (b) 0.067 (c) 0.7 (d) 0.74
  15. 15.What is the value of the digit 5 in 35.416? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  16. 16.Which is the greatest: 0.329, 0.44, 0.035, 0.4? (a) 0.329 (b) 0.44 (c) 0.035 (d) 0.4
  17. 17.Which is the greatest: 0.083, 0.737, 0.8, 0.87? (a) 0.083 (b) 0.737 (c) 0.8 (d) 0.87
  18. 18.Which is the smallest: 0.338, 0.45, 0.021, 0.4? (a) 0.338 (b) 0.45 (c) 0.021 (d) 0.4
  19. 19.5.68 + 2.7 = ? (a) 8.38 (b) 8.28 (c) 5.95 (d) 8.48
  20. 20.Which is the greatest: 0.78, 0.615, 0.7, 0.011? (a) 0.78 (b) 0.615 (c) 0.7 (d) 0.011
  21. 21.6.24 + 7.1 = ? (a) 13.44 (b) 6.95 (c) 13.34 (d) 13.24
  22. 22.Which is the greatest: 0.7, 0.638, 0.031, 0.72? (a) 0.7 (b) 0.638 (c) 0.031 (d) 0.72
  23. 23.What is the value of the digit 3 in 58.637? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  24. 24.8.65 + 4.6 = ? (a) 13.15 (b) 13.35 (c) 13.25 (d) 9.11
  25. 25.Which is the smallest: 0.45, 0.4, 0.032, 0.374? (a) 0.45 (b) 0.4 (c) 0.032 (d) 0.374
  26. 26.What is the value of the digit 6 in 21.695? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  27. 27.3.58 + 9.6 = ? (a) 13.18 (b) 13.08 (c) 13.28 (d) 4.54
  28. 28.6.08 + 9.6 = ? (a) 15.78 (b) 7.04 (c) 15.58 (d) 15.68
  29. 29.Which is the smallest: 0.037, 0.22, 0.157, 0.2? (a) 0.037 (b) 0.22 (c) 0.157 (d) 0.2
  30. 30.8.25 + 5.5 = ? (a) 13.85 (b) 13.75 (c) 13.65 (d) 8.8
  31. 31.What is the value of the digit 2 in 94.852? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  32. 32.4.04 + 2.8 = ? (a) 4.32 (b) 6.74 (c) 6.94 (d) 6.84
  33. 33.What is the value of the digit 1 in 31.625? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  34. 34.Which is the greatest: 0.8, 0.85, 0.785, 0.043? (a) 0.8 (b) 0.85 (c) 0.785 (d) 0.043
  35. 35.What is the value of the digit 6 in 76.193? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  36. 36.2.57 + 7.8 = ? (a) 10.27 (b) 3.35 (c) 10.47 (d) 10.37
  37. 37.What is the value of the digit 4 in 65.489? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  38. 38.Which is the greatest: 0.85, 0.8, 0.073, 0.726? (a) 0.85 (b) 0.8 (c) 0.073 (d) 0.726
  39. 39.What is the value of the digit 9 in 27.591? (a) 0.9 (b) 0.09 (c) 9 (d) 0.009
  40. 40.6.67 + 7.1 = ? (a) 13.77 (b) 7.38 (c) 13.87 (d) 13.67

Answer key

  1. 0.72
  2. 18.81
  3. 60
  4. 0.02
  5. 30
  6. 0.084
  7. 5
  8. 11.69
  9. 0.5
  10. 0.22
  11. 17.99
  12. 0.052
  13. 0.61
  14. 0.74
  15. 5
  16. 0.44
  17. 0.87
  18. 0.021
  19. 8.38
  20. 0.78
  21. 13.34
  22. 0.72
  23. 0.03
  24. 13.25
  25. 0.032
  26. 0.6
  27. 13.18
  28. 15.68
  29. 0.037
  30. 13.75
  31. 0.002
  32. 6.84
  33. 1
  34. 0.85
  35. 6
  36. 10.37
  37. 0.4
  38. 0.85
  39. 0.09
  40. 13.77

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