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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 192 · 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 2 in 51.732? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  2. 2.What is the value of the digit 5 in 53.142? (a) 0.05 (b) 0.5 (c) 50 (d) 5
  3. 3.6.33 + 4.8 = ? (a) 11.03 (b) 11.23 (c) 11.13 (d) 6.81
  4. 4.Which is the smallest: 0.28, 0.041, 0.182, 0.2? (a) 0.28 (b) 0.041 (c) 0.182 (d) 0.2
  5. 5.What is the value of the digit 6 in 96.713? (a) 60 (b) 0.6 (c) 6 (d) 0.06
  6. 6.Which is the smallest: 0.371, 0.43, 0.4, 0.084? (a) 0.371 (b) 0.43 (c) 0.4 (d) 0.084
  7. 7.What is the value of the digit 5 in 46.758? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  8. 8.Which is the smallest: 0.041, 0.3, 0.213, 0.34? (a) 0.041 (b) 0.3 (c) 0.213 (d) 0.34
  9. 9.7.26 + 1.2 = ? (a) 8.36 (b) 8.46 (c) 8.56 (d) 7.38
  10. 10.4.04 + 1.8 = ? (a) 5.94 (b) 5.84 (c) 4.22 (d) 5.74
  11. 11.What is the value of the digit 7 in 74.981? (a) 70 (b) 0.07 (c) 7 (d) 0.7
  12. 12.What is the value of the digit 2 in 83.425? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  13. 13.What is the value of the digit 7 in 94.672? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  14. 14.2.91 + 9.9 = ? (a) 12.71 (b) 12.81 (c) 3.9 (d) 12.91
  15. 15.What is the value of the digit 1 in 25.941? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  16. 16.What is the value of the digit 3 in 86.123? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  17. 17.2.25 + 2.7 = ? (a) 2.52 (b) 4.95 (c) 4.85 (d) 5.05
  18. 18.What is the value of the digit 8 in 63.824? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  19. 19.What is the value of the digit 1 in 13.647? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  20. 20.Which is the greatest: 0.061, 0.22, 0.177, 0.2? (a) 0.061 (b) 0.22 (c) 0.177 (d) 0.2
  21. 21.3.09 + 2.6 = ? (a) 5.69 (b) 3.35 (c) 5.59 (d) 5.79
  22. 22.Which is the smallest: 0.66, 0.6, 0.082, 0.545? (a) 0.66 (b) 0.6 (c) 0.082 (d) 0.545
  23. 23.What is the value of the digit 6 in 27.361? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  24. 24.Which is the smallest: 0.537, 0.6, 0.62, 0.037? (a) 0.537 (b) 0.6 (c) 0.62 (d) 0.037
  25. 25.3.17 + 8.4 = ? (a) 11.47 (b) 11.67 (c) 11.57 (d) 4.01
  26. 26.Which is the greatest: 0.5, 0.085, 0.56, 0.431? (a) 0.5 (b) 0.085 (c) 0.56 (d) 0.431
  27. 27.2.62 + 7.3 = ? (a) 9.92 (b) 9.82 (c) 3.35 (d) 10.02
  28. 28.Which is the smallest: 0.24, 0.127, 0.2, 0.036? (a) 0.24 (b) 0.127 (c) 0.2 (d) 0.036
  29. 29.What is the value of the digit 5 in 31.592? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  30. 30.Which is the smallest: 0.2, 0.087, 0.26, 0.186? (a) 0.2 (b) 0.087 (c) 0.26 (d) 0.186
  31. 31.What is the value of the digit 6 in 65.321? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  32. 32.What is the value of the digit 6 in 76.843? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  33. 33.Which is the smallest: 0.4, 0.063, 0.345, 0.42? (a) 0.4 (b) 0.063 (c) 0.345 (d) 0.42
  34. 34.What is the value of the digit 2 in 63.152? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  35. 35.Which is the smallest: 0.124, 0.085, 0.2, 0.28? (a) 0.124 (b) 0.085 (c) 0.2 (d) 0.28
  36. 36.5.75 + 2.1 = ? (a) 7.75 (b) 7.85 (c) 5.96 (d) 7.95
  37. 37.What is the value of the digit 8 in 91.682? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  38. 38.1.55 + 8.2 = ? (a) 9.65 (b) 9.75 (c) 9.85 (d) 2.37
  39. 39.What is the value of the digit 4 in 14.238? (a) 40 (b) 0.04 (c) 0.4 (d) 4
  40. 40.7.51 + 1.3 = ? (a) 8.91 (b) 8.81 (c) 7.64 (d) 8.71

Answer key

  1. 0.002
  2. 50
  3. 11.13
  4. 0.041
  5. 6
  6. 0.084
  7. 0.05
  8. 0.041
  9. 8.46
  10. 5.84
  11. 70
  12. 0.02
  13. 0.07
  14. 12.81
  15. 0.001
  16. 0.003
  17. 4.95
  18. 0.8
  19. 10
  20. 0.22
  21. 5.69
  22. 0.082
  23. 0.06
  24. 0.037
  25. 11.57
  26. 0.56
  27. 9.92
  28. 0.036
  29. 0.5
  30. 0.087
  31. 60
  32. 6
  33. 0.063
  34. 0.002
  35. 0.085
  36. 7.85
  37. 0.08
  38. 9.75
  39. 4
  40. 8.81

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