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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 259 · 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: 0.669, 0.79, 0.7, 0.078? (a) 0.669 (b) 0.79 (c) 0.7 (d) 0.078
  2. 2.Which is the smallest: 0.3, 0.289, 0.042, 0.31? (a) 0.3 (b) 0.289 (c) 0.042 (d) 0.31
  3. 3.What is the value of the digit 1 in 17.359? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  4. 4.What is the value of the digit 8 in 52.678? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  5. 5.What is the value of the digit 3 in 51.347? (a) 3 (b) 0.003 (c) 0.03 (d) 0.3
  6. 6.Which is the greatest: 0.093, 0.32, 0.259, 0.3? (a) 0.093 (b) 0.32 (c) 0.259 (d) 0.3
  7. 7.Which is the greatest: 0.347, 0.051, 0.4, 0.45? (a) 0.347 (b) 0.051 (c) 0.4 (d) 0.45
  8. 8.What is the value of the digit 8 in 21.438? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  9. 9.5.61 + 6.1 = ? (a) 6.22 (b) 11.81 (c) 11.61 (d) 11.71
  10. 10.What is the value of the digit 5 in 35.716? (a) 0.05 (b) 50 (c) 5 (d) 0.5
  11. 11.Which is the smallest: 0.24, 0.051, 0.162, 0.2? (a) 0.24 (b) 0.051 (c) 0.162 (d) 0.2
  12. 12.What is the value of the digit 8 in 79.148? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  13. 13.Which is the greatest: 0.127, 0.082, 0.2, 0.26? (a) 0.127 (b) 0.082 (c) 0.2 (d) 0.26
  14. 14.What is the value of the digit 6 in 74.316? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  15. 15.What is the value of the digit 1 in 13.684? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  16. 16.Which is the smallest: 0.086, 0.2, 0.27, 0.121? (a) 0.086 (b) 0.2 (c) 0.27 (d) 0.121
  17. 17.3.81 + 9.5 = ? (a) 13.21 (b) 13.31 (c) 13.41 (d) 4.76
  18. 18.5.22 + 9.4 = ? (a) 14.62 (b) 14.52 (c) 6.16 (d) 14.72
  19. 19.7.82 + 3.7 = ? (a) 8.19 (b) 11.42 (c) 11.62 (d) 11.52
  20. 20.What is the value of the digit 1 in 72.165? (a) 0.1 (b) 0.001 (c) 1 (d) 0.01
  21. 21.3.58 + 3.5 = ? (a) 6.98 (b) 3.93 (c) 7.18 (d) 7.08
  22. 22.What is the value of the digit 1 in 71.538? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  23. 23.What is the value of the digit 2 in 25.764? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  24. 24.3.69 + 9.9 = ? (a) 13.59 (b) 4.68 (c) 13.49 (d) 13.69
  25. 25.Which is the smallest: 0.089, 0.62, 0.518, 0.6? (a) 0.089 (b) 0.62 (c) 0.518 (d) 0.6
  26. 26.3.34 + 8.6 = ? (a) 4.2 (b) 11.84 (c) 12.04 (d) 11.94
  27. 27.Which is the greatest: 0.47, 0.022, 0.394, 0.4? (a) 0.47 (b) 0.022 (c) 0.394 (d) 0.4
  28. 28.2.45 + 4.2 = ? (a) 6.75 (b) 6.55 (c) 2.87 (d) 6.65
  29. 29.Which is the greatest: 0.123, 0.021, 0.26, 0.2? (a) 0.123 (b) 0.021 (c) 0.26 (d) 0.2
  30. 30.Which is the smallest: 0.036, 0.3, 0.33, 0.259? (a) 0.036 (b) 0.3 (c) 0.33 (d) 0.259
  31. 31.Which is the greatest: 0.89, 0.8, 0.056, 0.784? (a) 0.89 (b) 0.8 (c) 0.056 (d) 0.784
  32. 32.Which is the smallest: 0.096, 0.282, 0.34, 0.3? (a) 0.096 (b) 0.282 (c) 0.34 (d) 0.3
  33. 33.What is the value of the digit 7 in 68.947? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  34. 34.What is the value of the digit 8 in 52.148? (a) 0.08 (b) 0.008 (c) 8 (d) 0.8
  35. 35.6.81 + 3.4 = ? (a) 7.15 (b) 10.31 (c) 10.11 (d) 10.21
  36. 36.What is the value of the digit 2 in 41.265? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  37. 37.What is the value of the digit 1 in 21.539? (a) 10 (b) 1 (c) 0.1 (d) 0.01
  38. 38.8.13 + 2.2 = ? (a) 10.33 (b) 10.23 (c) 10.43 (d) 8.35
  39. 39.6.42 + 2.6 = ? (a) 6.68 (b) 9.02 (c) 8.92 (d) 9.12
  40. 40.9.21 + 4.1 = ? (a) 9.62 (b) 13.21 (c) 13.41 (d) 13.31

Answer key

  1. 0.79
  2. 0.042
  3. 10
  4. 0.008
  5. 0.3
  6. 0.32
  7. 0.45
  8. 0.008
  9. 11.71
  10. 5
  11. 0.051
  12. 0.008
  13. 0.26
  14. 0.006
  15. 10
  16. 0.086
  17. 13.31
  18. 14.62
  19. 11.52
  20. 0.1
  21. 7.08
  22. 1
  23. 20
  24. 13.59
  25. 0.089
  26. 11.94
  27. 0.47
  28. 6.65
  29. 0.26
  30. 0.036
  31. 0.89
  32. 0.096
  33. 0.007
  34. 0.008
  35. 10.21
  36. 0.2
  37. 1
  38. 10.33
  39. 9.02
  40. 13.31

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