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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 716 · 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 5 in 23.745? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  2. 2.Which is the smallest: 0.281, 0.099, 0.31, 0.3? (a) 0.281 (b) 0.099 (c) 0.31 (d) 0.3
  3. 3.What is the value of the digit 3 in 63.294? (a) 0.03 (b) 30 (c) 3 (d) 0.3
  4. 4.What is the value of the digit 2 in 84.932? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  5. 5.What is the value of the digit 3 in 16.395? (a) 3 (b) 0.3 (c) 0.03 (d) 0.003
  6. 6.What is the value of the digit 8 in 48.791? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  7. 7.Which is the smallest: 0.4, 0.46, 0.086, 0.347? (a) 0.4 (b) 0.46 (c) 0.086 (d) 0.347
  8. 8.Which is the smallest: 0.64, 0.072, 0.579, 0.6? (a) 0.64 (b) 0.072 (c) 0.579 (d) 0.6
  9. 9.4.21 + 9.1 = ? (a) 13.31 (b) 5.12 (c) 13.41 (d) 13.21
  10. 10.Which is the greatest: 0.3, 0.37, 0.014, 0.244? (a) 0.3 (b) 0.37 (c) 0.014 (d) 0.244
  11. 11.Which is the greatest: 0.2, 0.21, 0.191, 0.076? (a) 0.2 (b) 0.21 (c) 0.191 (d) 0.076
  12. 12.Which is the greatest: 0.6, 0.076, 0.549, 0.69? (a) 0.6 (b) 0.076 (c) 0.549 (d) 0.69
  13. 13.What is the value of the digit 5 in 34.615? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  14. 14.Which is the greatest: 0.79, 0.691, 0.7, 0.073? (a) 0.79 (b) 0.691 (c) 0.7 (d) 0.073
  15. 15.7.41 + 4.4 = ? (a) 11.71 (b) 11.91 (c) 7.85 (d) 11.81
  16. 16.3.67 + 5.4 = ? (a) 9.17 (b) 4.21 (c) 8.97 (d) 9.07
  17. 17.9.71 + 6.1 = ? (a) 15.71 (b) 15.91 (c) 10.32 (d) 15.81
  18. 18.9.57 + 1.3 = ? (a) 10.77 (b) 9.7 (c) 10.87 (d) 10.97
  19. 19.3.54 + 7.7 = ? (a) 11.24 (b) 11.34 (c) 11.14 (d) 4.31
  20. 20.What is the value of the digit 7 in 46.375? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  21. 21.4.12 + 2.2 = ? (a) 6.22 (b) 6.42 (c) 6.32 (d) 4.34
  22. 22.8.62 + 1.4 = ? (a) 9.92 (b) 10.12 (c) 10.02 (d) 8.76
  23. 23.Which is the greatest: 0.2, 0.27, 0.135, 0.016? (a) 0.2 (b) 0.27 (c) 0.135 (d) 0.016
  24. 24.4.34 + 6.2 = ? (a) 4.96 (b) 10.64 (c) 10.54 (d) 10.44
  25. 25.What is the value of the digit 2 in 21.648? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  26. 26.What is the value of the digit 6 in 12.768? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  27. 27.What is the value of the digit 7 in 21.793? (a) 0.07 (b) 0.007 (c) 7 (d) 0.7
  28. 28.What is the value of the digit 1 in 16.472? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  29. 29.What is the value of the digit 9 in 62.319? (a) 0.009 (b) 0.09 (c) 9 (d) 0.9
  30. 30.Which is the greatest: 0.52, 0.5, 0.484, 0.039? (a) 0.52 (b) 0.5 (c) 0.484 (d) 0.039
  31. 31.Which is the greatest: 0.047, 0.47, 0.4, 0.367? (a) 0.047 (b) 0.47 (c) 0.4 (d) 0.367
  32. 32.Which is the greatest: 0.8, 0.713, 0.87, 0.045? (a) 0.8 (b) 0.713 (c) 0.87 (d) 0.045
  33. 33.Which is the greatest: 0.8, 0.83, 0.774, 0.067? (a) 0.8 (b) 0.83 (c) 0.774 (d) 0.067
  34. 34.What is the value of the digit 3 in 31.946? (a) 0.3 (b) 3 (c) 0.03 (d) 30
  35. 35.Which is the greatest: 0.75, 0.7, 0.025, 0.696? (a) 0.75 (b) 0.7 (c) 0.025 (d) 0.696
  36. 36.Which is the smallest: 0.79, 0.061, 0.7, 0.698? (a) 0.79 (b) 0.061 (c) 0.7 (d) 0.698
  37. 37.Which is the smallest: 0.44, 0.032, 0.4, 0.365? (a) 0.44 (b) 0.032 (c) 0.4 (d) 0.365
  38. 38.What is the value of the digit 6 in 16.732? (a) 6 (b) 60 (c) 0.06 (d) 0.6
  39. 39.What is the value of the digit 1 in 49.712? (a) 0.01 (b) 1 (c) 0.1 (d) 0.001
  40. 40.5.13 + 6.9 = ? (a) 11.93 (b) 5.82 (c) 12.03 (d) 12.13

Answer key

  1. 0.005
  2. 0.099
  3. 3
  4. 0.002
  5. 0.3
  6. 8
  7. 0.086
  8. 0.072
  9. 13.31
  10. 0.37
  11. 0.21
  12. 0.69
  13. 0.005
  14. 0.79
  15. 11.81
  16. 9.07
  17. 15.81
  18. 10.87
  19. 11.24
  20. 0.07
  21. 6.32
  22. 10.02
  23. 0.27
  24. 10.54
  25. 20
  26. 0.06
  27. 0.7
  28. 10
  29. 0.009
  30. 0.52
  31. 0.47
  32. 0.87
  33. 0.83
  34. 30
  35. 0.75
  36. 0.061
  37. 0.032
  38. 6
  39. 0.01
  40. 12.03

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