← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 539 · 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 8 in 21.985? (a) 0.008 (b) 0.08 (c) 0.8 (d) 8
  2. 2.Which is the smallest: 0.2, 0.051, 0.176, 0.27? (a) 0.2 (b) 0.051 (c) 0.176 (d) 0.27
  3. 3.Which is the smallest: 0.084, 0.8, 0.86, 0.737? (a) 0.084 (b) 0.8 (c) 0.86 (d) 0.737
  4. 4.7.32 + 1.4 = ? (a) 8.82 (b) 8.62 (c) 7.46 (d) 8.72
  5. 5.What is the value of the digit 7 in 72.659? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  6. 6.Which is the greatest: 0.094, 0.38, 0.252, 0.3? (a) 0.094 (b) 0.38 (c) 0.252 (d) 0.3
  7. 7.3.43 + 3.6 = ? (a) 7.03 (b) 3.79 (c) 7.13 (d) 6.93
  8. 8.6.51 + 7.8 = ? (a) 14.41 (b) 14.31 (c) 14.21 (d) 7.29
  9. 9.Which is the smallest: 0.067, 0.4, 0.42, 0.311? (a) 0.067 (b) 0.4 (c) 0.42 (d) 0.311
  10. 10.Which is the greatest: 0.86, 0.8, 0.037, 0.774? (a) 0.86 (b) 0.8 (c) 0.037 (d) 0.774
  11. 11.1.21 + 4.8 = ? (a) 6.11 (b) 1.69 (c) 5.91 (d) 6.01
  12. 12.1.89 + 3.5 = ? (a) 5.49 (b) 2.24 (c) 5.29 (d) 5.39
  13. 13.What is the value of the digit 3 in 78.349? (a) 3 (b) 0.003 (c) 0.03 (d) 0.3
  14. 14.What is the value of the digit 5 in 65.973? (a) 5 (b) 0.5 (c) 50 (d) 0.05
  15. 15.4.31 + 7.2 = ? (a) 11.61 (b) 11.41 (c) 5.03 (d) 11.51
  16. 16.Which is the greatest: 0.564, 0.6, 0.042, 0.69? (a) 0.564 (b) 0.6 (c) 0.042 (d) 0.69
  17. 17.9.28 + 4.6 = ? (a) 13.88 (b) 13.78 (c) 9.74 (d) 13.98
  18. 18.Which is the greatest: 0.058, 0.122, 0.23, 0.2? (a) 0.058 (b) 0.122 (c) 0.23 (d) 0.2
  19. 19.Which is the smallest: 0.542, 0.6, 0.66, 0.069? (a) 0.542 (b) 0.6 (c) 0.66 (d) 0.069
  20. 20.Which is the smallest: 0.731, 0.037, 0.82, 0.8? (a) 0.731 (b) 0.037 (c) 0.82 (d) 0.8
  21. 21.Which is the smallest: 0.779, 0.81, 0.8, 0.087? (a) 0.779 (b) 0.81 (c) 0.8 (d) 0.087
  22. 22.5.86 + 3.1 = ? (a) 8.86 (b) 9.06 (c) 6.17 (d) 8.96
  23. 23.Which is the greatest: 0.4, 0.339, 0.45, 0.099? (a) 0.4 (b) 0.339 (c) 0.45 (d) 0.099
  24. 24.2.19 + 3.4 = ? (a) 5.69 (b) 2.53 (c) 5.49 (d) 5.59
  25. 25.5.69 + 3.5 = ? (a) 9.29 (b) 9.09 (c) 6.04 (d) 9.19
  26. 26.What is the value of the digit 9 in 45.968? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  27. 27.What is the value of the digit 9 in 31.769? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  28. 28.2.29 + 4.6 = ? (a) 2.75 (b) 6.99 (c) 6.89 (d) 6.79
  29. 29.7.78 + 4.2 = ? (a) 8.2 (b) 12.08 (c) 11.98 (d) 11.88
  30. 30.Which is the greatest: 0.053, 0.2, 0.23, 0.129? (a) 0.053 (b) 0.2 (c) 0.23 (d) 0.129
  31. 31.8.86 + 8.9 = ? (a) 17.66 (b) 9.75 (c) 17.86 (d) 17.76
  32. 32.What is the value of the digit 4 in 47.568? (a) 0.04 (b) 4 (c) 40 (d) 0.4
  33. 33.Which is the smallest: 0.073, 0.431, 0.5, 0.57? (a) 0.073 (b) 0.431 (c) 0.5 (d) 0.57
  34. 34.What is the value of the digit 2 in 62.813? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  35. 35.What is the value of the digit 4 in 23.549? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  36. 36.7.75 + 9.5 = ? (a) 8.7 (b) 17.15 (c) 17.25 (d) 17.35
  37. 37.Which is the greatest: 0.362, 0.48, 0.082, 0.4? (a) 0.362 (b) 0.48 (c) 0.082 (d) 0.4
  38. 38.Which is the greatest: 0.7, 0.099, 0.625, 0.79? (a) 0.7 (b) 0.099 (c) 0.625 (d) 0.79
  39. 39.2.31 + 1.9 = ? (a) 4.11 (b) 4.21 (c) 2.5 (d) 4.31
  40. 40.What is the value of the digit 3 in 92.543? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3

Answer key

  1. 0.08
  2. 0.051
  3. 0.084
  4. 8.72
  5. 70
  6. 0.38
  7. 7.03
  8. 14.31
  9. 0.067
  10. 0.86
  11. 6.01
  12. 5.39
  13. 0.3
  14. 5
  15. 11.51
  16. 0.69
  17. 13.88
  18. 0.23
  19. 0.069
  20. 0.037
  21. 0.087
  22. 8.96
  23. 0.45
  24. 5.59
  25. 9.19
  26. 0.9
  27. 0.009
  28. 6.89
  29. 11.98
  30. 0.23
  31. 17.76
  32. 40
  33. 0.073
  34. 2
  35. 0.04
  36. 17.25
  37. 0.48
  38. 0.79
  39. 4.21
  40. 0.003

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad