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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 238 · 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.What is the value of the digit 6 in 53.619? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  2. 2.Which is the smallest: 0.686, 0.7, 0.76, 0.074? (a) 0.686 (b) 0.7 (c) 0.76 (d) 0.074
  3. 3.8.58 + 2.5 = ? (a) 8.83 (b) 11.18 (c) 11.08 (d) 10.98
  4. 4.Which is the smallest: 0.352, 0.48, 0.032, 0.4? (a) 0.352 (b) 0.48 (c) 0.032 (d) 0.4
  5. 5.7.77 + 7.7 = ? (a) 15.57 (b) 15.47 (c) 15.37 (d) 8.54
  6. 6.Which is the greatest: 0.073, 0.62, 0.6, 0.534? (a) 0.073 (b) 0.62 (c) 0.6 (d) 0.534
  7. 7.Which is the greatest: 0.475, 0.57, 0.027, 0.5? (a) 0.475 (b) 0.57 (c) 0.027 (d) 0.5
  8. 8.4.62 + 2.4 = ? (a) 7.02 (b) 7.12 (c) 4.86 (d) 6.92
  9. 9.3.88 + 2.3 = ? (a) 4.11 (b) 6.28 (c) 6.08 (d) 6.18
  10. 10.Which is the smallest: 0.7, 0.74, 0.657, 0.024? (a) 0.7 (b) 0.74 (c) 0.657 (d) 0.024
  11. 11.What is the value of the digit 3 in 26.183? (a) 0.003 (b) 0.3 (c) 3 (d) 0.03
  12. 12.Which is the smallest: 0.087, 0.793, 0.8, 0.81? (a) 0.087 (b) 0.793 (c) 0.8 (d) 0.81
  13. 13.5.03 + 7.9 = ? (a) 13.03 (b) 5.82 (c) 12.83 (d) 12.93
  14. 14.What is the value of the digit 7 in 27.518? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  15. 15.6.73 + 9.7 = ? (a) 16.53 (b) 16.33 (c) 16.43 (d) 7.7
  16. 16.7.74 + 5.9 = ? (a) 8.33 (b) 13.64 (c) 13.74 (d) 13.54
  17. 17.Which is the greatest: 0.2, 0.114, 0.28, 0.013? (a) 0.2 (b) 0.114 (c) 0.28 (d) 0.013
  18. 18.Which is the greatest: 0.088, 0.5, 0.56, 0.487? (a) 0.088 (b) 0.5 (c) 0.56 (d) 0.487
  19. 19.What is the value of the digit 5 in 61.453? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  20. 20.What is the value of the digit 1 in 16.924? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  21. 21.What is the value of the digit 2 in 23.967? (a) 0.02 (b) 0.2 (c) 20 (d) 2
  22. 22.1.91 + 2.5 = ? (a) 2.16 (b) 4.51 (c) 4.31 (d) 4.41
  23. 23.What is the value of the digit 7 in 87.245? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  24. 24.What is the value of the digit 5 in 91.652? (a) 0.5 (b) 0.05 (c) 5 (d) 0.005
  25. 25.What is the value of the digit 4 in 29.847? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  26. 26.What is the value of the digit 3 in 43.972? (a) 0.3 (b) 3 (c) 0.03 (d) 30
  27. 27.1.76 + 8.1 = ? (a) 9.96 (b) 2.57 (c) 9.76 (d) 9.86
  28. 28.What is the value of the digit 7 in 17.849? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  29. 29.Which is the greatest: 0.6, 0.522, 0.69, 0.066? (a) 0.6 (b) 0.522 (c) 0.69 (d) 0.066
  30. 30.What is the value of the digit 2 in 15.924? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  31. 31.7.63 + 6.1 = ? (a) 13.63 (b) 13.83 (c) 13.73 (d) 8.24
  32. 32.Which is the smallest: 0.649, 0.7, 0.094, 0.76? (a) 0.649 (b) 0.7 (c) 0.094 (d) 0.76
  33. 33.What is the value of the digit 5 in 27.865? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  34. 34.What is the value of the digit 9 in 39.176? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  35. 35.What is the value of the digit 7 in 57.693? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  36. 36.6.92 + 9.5 = ? (a) 16.32 (b) 7.87 (c) 16.52 (d) 16.42
  37. 37.6.12 + 7.7 = ? (a) 13.72 (b) 13.92 (c) 6.89 (d) 13.82
  38. 38.What is the value of the digit 8 in 83.412? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  39. 39.What is the value of the digit 5 in 16.584? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  40. 40.2.41 + 2.6 = ? (a) 2.67 (b) 5.11 (c) 5.01 (d) 4.91

Answer key

  1. 0.6
  2. 0.074
  3. 11.08
  4. 0.032
  5. 15.47
  6. 0.62
  7. 0.57
  8. 7.02
  9. 6.18
  10. 0.024
  11. 0.003
  12. 0.087
  13. 12.93
  14. 7
  15. 16.43
  16. 13.64
  17. 0.28
  18. 0.56
  19. 0.05
  20. 10
  21. 20
  22. 4.41
  23. 7
  24. 0.05
  25. 0.04
  26. 3
  27. 9.86
  28. 7
  29. 0.69
  30. 0.02
  31. 13.73
  32. 0.094
  33. 0.005
  34. 9
  35. 7
  36. 16.42
  37. 13.82
  38. 80
  39. 0.5
  40. 5.01

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