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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 389 · 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 1 in 14.567? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  2. 2.Which is the smallest: 0.165, 0.051, 0.2, 0.24? (a) 0.165 (b) 0.051 (c) 0.2 (d) 0.24
  3. 3.1.89 + 5.2 = ? (a) 6.99 (b) 7.19 (c) 2.41 (d) 7.09
  4. 4.What is the value of the digit 3 in 78.531? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  5. 5.5.08 + 5.1 = ? (a) 10.18 (b) 10.08 (c) 5.59 (d) 10.28
  6. 6.What is the value of the digit 8 in 36.845? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  7. 7.Which is the smallest: 0.026, 0.719, 0.8, 0.85? (a) 0.026 (b) 0.719 (c) 0.8 (d) 0.85
  8. 8.What is the value of the digit 4 in 61.549? (a) 4 (b) 0.04 (c) 0.4 (d) 0.004
  9. 9.What is the value of the digit 3 in 56.243? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  10. 10.8.52 + 6.4 = ? (a) 14.82 (b) 15.02 (c) 14.92 (d) 9.16
  11. 11.What is the value of the digit 6 in 75.264? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  12. 12.Which is the greatest: 0.34, 0.225, 0.061, 0.3? (a) 0.34 (b) 0.225 (c) 0.061 (d) 0.3
  13. 13.What is the value of the digit 3 in 63.128? (a) 0.03 (b) 3 (c) 30 (d) 0.3
  14. 14.6.26 + 2.6 = ? (a) 8.86 (b) 8.96 (c) 6.52 (d) 8.76
  15. 15.9.67 + 5.1 = ? (a) 14.77 (b) 14.87 (c) 14.67 (d) 10.18
  16. 16.5.99 + 9.3 = ? (a) 15.29 (b) 15.19 (c) 15.39 (d) 6.92
  17. 17.What is the value of the digit 6 in 34.967? (a) 0.6 (b) 0.06 (c) 6 (d) 0.006
  18. 18.3.96 + 1.2 = ? (a) 4.08 (b) 5.16 (c) 5.06 (d) 5.26
  19. 19.5.77 + 2.1 = ? (a) 7.97 (b) 7.77 (c) 5.98 (d) 7.87
  20. 20.What is the value of the digit 5 in 59.218? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  21. 21.Which is the smallest: 0.077, 0.4, 0.47, 0.314? (a) 0.077 (b) 0.4 (c) 0.47 (d) 0.314
  22. 22.Which is the greatest: 0.2, 0.162, 0.24, 0.014? (a) 0.2 (b) 0.162 (c) 0.24 (d) 0.014
  23. 23.Which is the greatest: 0.6, 0.082, 0.62, 0.587? (a) 0.6 (b) 0.082 (c) 0.62 (d) 0.587
  24. 24.Which is the smallest: 0.38, 0.3, 0.292, 0.076? (a) 0.38 (b) 0.3 (c) 0.292 (d) 0.076
  25. 25.What is the value of the digit 9 in 26.397? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  26. 26.What is the value of the digit 3 in 21.376? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  27. 27.2.54 + 3.1 = ? (a) 2.85 (b) 5.74 (c) 5.64 (d) 5.54
  28. 28.What is the value of the digit 1 in 89.741? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  29. 29.Which is the smallest: 0.117, 0.2, 0.013, 0.27? (a) 0.117 (b) 0.2 (c) 0.013 (d) 0.27
  30. 30.Which is the greatest: 0.459, 0.047, 0.53, 0.5? (a) 0.459 (b) 0.047 (c) 0.53 (d) 0.5
  31. 31.3.64 + 6.3 = ? (a) 9.94 (b) 9.84 (c) 10.04 (d) 4.27
  32. 32.Which is the smallest: 0.019, 0.127, 0.25, 0.2? (a) 0.019 (b) 0.127 (c) 0.25 (d) 0.2
  33. 33.Which is the smallest: 0.369, 0.4, 0.073, 0.49? (a) 0.369 (b) 0.4 (c) 0.073 (d) 0.49
  34. 34.Which is the smallest: 0.723, 0.87, 0.038, 0.8? (a) 0.723 (b) 0.87 (c) 0.038 (d) 0.8
  35. 35.What is the value of the digit 2 in 32.694? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  36. 36.Which is the smallest: 0.38, 0.256, 0.3, 0.037? (a) 0.38 (b) 0.256 (c) 0.3 (d) 0.037
  37. 37.What is the value of the digit 3 in 89.531? (a) 3 (b) 0.3 (c) 0.03 (d) 0.003
  38. 38.4.59 + 3.1 = ? (a) 4.9 (b) 7.59 (c) 7.79 (d) 7.69
  39. 39.4.63 + 2.2 = ? (a) 4.85 (b) 6.73 (c) 6.93 (d) 6.83
  40. 40.Which is the greatest: 0.6, 0.078, 0.543, 0.63? (a) 0.6 (b) 0.078 (c) 0.543 (d) 0.63

Answer key

  1. 10
  2. 0.051
  3. 7.09
  4. 0.03
  5. 10.18
  6. 0.8
  7. 0.026
  8. 0.04
  9. 0.003
  10. 14.92
  11. 0.06
  12. 0.34
  13. 3
  14. 8.86
  15. 14.77
  16. 15.29
  17. 0.06
  18. 5.16
  19. 7.87
  20. 50
  21. 0.077
  22. 0.24
  23. 0.62
  24. 0.076
  25. 0.09
  26. 0.3
  27. 5.64
  28. 0.001
  29. 0.013
  30. 0.53
  31. 9.94
  32. 0.019
  33. 0.073
  34. 0.038
  35. 2
  36. 0.037
  37. 0.03
  38. 7.69
  39. 6.83
  40. 0.63

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