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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 739 · 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: 0.071, 0.7, 0.73, 0.696? (a) 0.071 (b) 0.7 (c) 0.73 (d) 0.696
  2. 2.Which is the smallest: 0.2, 0.121, 0.24, 0.068? (a) 0.2 (b) 0.121 (c) 0.24 (d) 0.068
  3. 3.2.64 + 6.4 = ? (a) 8.94 (b) 9.14 (c) 9.04 (d) 3.28
  4. 4.What is the value of the digit 2 in 85.293? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  5. 5.3.81 + 7.1 = ? (a) 4.52 (b) 10.91 (c) 10.81 (d) 11.01
  6. 6.Which is the greatest: 0.088, 0.75, 0.684, 0.7? (a) 0.088 (b) 0.75 (c) 0.684 (d) 0.7
  7. 7.Which is the smallest: 0.691, 0.73, 0.036, 0.7? (a) 0.691 (b) 0.73 (c) 0.036 (d) 0.7
  8. 8.Which is the smallest: 0.5, 0.035, 0.54, 0.492? (a) 0.5 (b) 0.035 (c) 0.54 (d) 0.492
  9. 9.Which is the greatest: 0.614, 0.76, 0.7, 0.092? (a) 0.614 (b) 0.76 (c) 0.7 (d) 0.092
  10. 10.Which is the greatest: 0.013, 0.639, 0.7, 0.76? (a) 0.013 (b) 0.639 (c) 0.7 (d) 0.76
  11. 11.5.24 + 1.4 = ? (a) 6.54 (b) 6.64 (c) 5.38 (d) 6.74
  12. 12.What is the value of the digit 1 in 34.971? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  13. 13.7.62 + 4.9 = ? (a) 12.52 (b) 12.42 (c) 12.62 (d) 8.11
  14. 14.Which is the greatest: 0.2, 0.175, 0.094, 0.27? (a) 0.2 (b) 0.175 (c) 0.094 (d) 0.27
  15. 15.8.11 + 1.9 = ? (a) 10.11 (b) 9.91 (c) 10.01 (d) 8.3
  16. 16.2.25 + 4.4 = ? (a) 2.69 (b) 6.65 (c) 6.75 (d) 6.55
  17. 17.Which is the smallest: 0.684, 0.051, 0.7, 0.74? (a) 0.684 (b) 0.051 (c) 0.7 (d) 0.74
  18. 18.Which is the greatest: 0.78, 0.7, 0.082, 0.626? (a) 0.78 (b) 0.7 (c) 0.082 (d) 0.626
  19. 19.What is the value of the digit 5 in 57.612? (a) 0.05 (b) 50 (c) 5 (d) 0.5
  20. 20.What is the value of the digit 7 in 63.457? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  21. 21.6.19 + 7.3 = ? (a) 13.39 (b) 13.59 (c) 6.92 (d) 13.49
  22. 22.7.02 + 1.5 = ? (a) 8.42 (b) 8.52 (c) 8.62 (d) 7.17
  23. 23.Which is the smallest: 0.096, 0.68, 0.545, 0.6? (a) 0.096 (b) 0.68 (c) 0.545 (d) 0.6
  24. 24.What is the value of the digit 1 in 91.436? (a) 1 (b) 0.01 (c) 0.1 (d) 10
  25. 25.What is the value of the digit 7 in 74.185? (a) 7 (b) 0.7 (c) 0.07 (d) 70
  26. 26.What is the value of the digit 4 in 21.648? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  27. 27.What is the value of the digit 7 in 72.159? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  28. 28.3.54 + 1.2 = ? (a) 4.64 (b) 3.66 (c) 4.74 (d) 4.84
  29. 29.What is the value of the digit 6 in 26.913? (a) 6 (b) 0.6 (c) 0.06 (d) 60
  30. 30.Which is the greatest: 0.3, 0.046, 0.37, 0.272? (a) 0.3 (b) 0.046 (c) 0.37 (d) 0.272
  31. 31.9.96 + 6.8 = ? (a) 16.76 (b) 16.86 (c) 10.64 (d) 16.66
  32. 32.6.09 + 2.4 = ? (a) 6.33 (b) 8.59 (c) 8.49 (d) 8.39
  33. 33.Which is the smallest: 0.7, 0.72, 0.653, 0.067? (a) 0.7 (b) 0.72 (c) 0.653 (d) 0.067
  34. 34.3.01 + 1.1 = ? (a) 4.01 (b) 3.12 (c) 4.21 (d) 4.11
  35. 35.What is the value of the digit 3 in 13.874? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  36. 36.What is the value of the digit 2 in 78.923? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  37. 37.5.82 + 3.4 = ? (a) 9.12 (b) 6.16 (c) 9.32 (d) 9.22
  38. 38.What is the value of the digit 3 in 62.341? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  39. 39.Which is the greatest: 0.626, 0.78, 0.061, 0.7? (a) 0.626 (b) 0.78 (c) 0.061 (d) 0.7
  40. 40.What is the value of the digit 8 in 68.275? (a) 0.8 (b) 80 (c) 0.08 (d) 8

Answer key

  1. 0.73
  2. 0.068
  3. 9.04
  4. 0.2
  5. 10.91
  6. 0.75
  7. 0.036
  8. 0.035
  9. 0.76
  10. 0.76
  11. 6.64
  12. 0.001
  13. 12.52
  14. 0.27
  15. 10.01
  16. 6.65
  17. 0.051
  18. 0.78
  19. 50
  20. 0.007
  21. 13.49
  22. 8.52
  23. 0.096
  24. 1
  25. 70
  26. 0.04
  27. 70
  28. 4.74
  29. 6
  30. 0.37
  31. 16.76
  32. 8.49
  33. 0.067
  34. 4.11
  35. 3
  36. 0.02
  37. 9.22
  38. 0.3
  39. 0.78
  40. 8

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