← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 871 · 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. 1.8.61 + 2.1 = ? (a) 10.81 (b) 10.61 (c) 8.82 (d) 10.71
  2. 2.3.31 + 5.4 = ? (a) 3.85 (b) 8.61 (c) 8.81 (d) 8.71
  3. 3.What is the value of the digit 7 in 34.627? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  4. 4.5.01 + 5.1 = ? (a) 5.52 (b) 10.01 (c) 10.11 (d) 10.21
  5. 5.Which is the greatest: 0.31, 0.299, 0.3, 0.013? (a) 0.31 (b) 0.299 (c) 0.3 (d) 0.013
  6. 6.7.37 + 7.5 = ? (a) 8.12 (b) 14.97 (c) 14.87 (d) 14.77
  7. 7.9.31 + 6.1 = ? (a) 15.41 (b) 9.92 (c) 15.51 (d) 15.31
  8. 8.What is the value of the digit 7 in 57.149? (a) 70 (b) 7 (c) 0.07 (d) 0.7
  9. 9.What is the value of the digit 7 in 36.271? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  10. 10.What is the value of the digit 7 in 94.687? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  11. 11.Which is the greatest: 0.41, 0.049, 0.388, 0.4? (a) 0.41 (b) 0.049 (c) 0.388 (d) 0.4
  12. 12.3.71 + 2.8 = ? (a) 6.51 (b) 3.99 (c) 6.41 (d) 6.61
  13. 13.Which is the smallest: 0.388, 0.011, 0.4, 0.47? (a) 0.388 (b) 0.011 (c) 0.4 (d) 0.47
  14. 14.8.05 + 4.1 = ? (a) 12.15 (b) 8.46 (c) 12.25 (d) 12.05
  15. 15.Which is the smallest: 0.297, 0.025, 0.38, 0.3? (a) 0.297 (b) 0.025 (c) 0.38 (d) 0.3
  16. 16.1.28 + 9.8 = ? (a) 11.08 (b) 2.26 (c) 10.98 (d) 11.18
  17. 17.Which is the smallest: 0.054, 0.6, 0.66, 0.554? (a) 0.054 (b) 0.6 (c) 0.66 (d) 0.554
  18. 18.What is the value of the digit 6 in 46.185? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  19. 19.What is the value of the digit 7 in 52.479? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  20. 20.What is the value of the digit 9 in 96.374? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  21. 21.Which is the smallest: 0.84, 0.8, 0.031, 0.733? (a) 0.84 (b) 0.8 (c) 0.031 (d) 0.733
  22. 22.7.82 + 4.8 = ? (a) 8.3 (b) 12.52 (c) 12.72 (d) 12.62
  23. 23.Which is the greatest: 0.47, 0.021, 0.387, 0.4? (a) 0.47 (b) 0.021 (c) 0.387 (d) 0.4
  24. 24.1.65 + 1.4 = ? (a) 3.15 (b) 1.79 (c) 3.05 (d) 2.95
  25. 25.What is the value of the digit 4 in 13.724? (a) 4 (b) 0.4 (c) 0.004 (d) 0.04
  26. 26.What is the value of the digit 2 in 14.852? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  27. 27.4.83 + 3.2 = ? (a) 5.15 (b) 8.13 (c) 7.93 (d) 8.03
  28. 28.What is the value of the digit 1 in 67.531? (a) 0.1 (b) 0.001 (c) 1 (d) 0.01
  29. 29.7.84 + 5.2 = ? (a) 12.94 (b) 13.04 (c) 13.14 (d) 8.36
  30. 30.Which is the greatest: 0.048, 0.3, 0.276, 0.32? (a) 0.048 (b) 0.3 (c) 0.276 (d) 0.32
  31. 31.What is the value of the digit 2 in 86.275? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  32. 32.What is the value of the digit 8 in 25.384? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  33. 33.Which is the smallest: 0.4, 0.317, 0.45, 0.067? (a) 0.4 (b) 0.317 (c) 0.45 (d) 0.067
  34. 34.Which is the smallest: 0.096, 0.81, 0.789, 0.8? (a) 0.096 (b) 0.81 (c) 0.789 (d) 0.8
  35. 35.What is the value of the digit 1 in 58.471? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  36. 36.Which is the smallest: 0.544, 0.6, 0.67, 0.084? (a) 0.544 (b) 0.6 (c) 0.67 (d) 0.084
  37. 37.3.91 + 1.6 = ? (a) 5.51 (b) 4.07 (c) 5.61 (d) 5.41
  38. 38.1.63 + 1.8 = ? (a) 3.53 (b) 3.43 (c) 1.81 (d) 3.33
  39. 39.Which is the smallest: 0.052, 0.8, 0.731, 0.89? (a) 0.052 (b) 0.8 (c) 0.731 (d) 0.89
  40. 40.What is the value of the digit 3 in 92.367? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3

Answer key

  1. 10.71
  2. 8.71
  3. 0.007
  4. 10.11
  5. 0.31
  6. 14.87
  7. 15.41
  8. 7
  9. 0.07
  10. 0.007
  11. 0.41
  12. 6.51
  13. 0.011
  14. 12.15
  15. 0.025
  16. 11.08
  17. 0.054
  18. 6
  19. 0.07
  20. 90
  21. 0.031
  22. 12.62
  23. 0.47
  24. 3.05
  25. 0.004
  26. 0.002
  27. 8.03
  28. 0.001
  29. 13.04
  30. 0.32
  31. 0.2
  32. 0.08
  33. 0.067
  34. 0.096
  35. 0.001
  36. 0.084
  37. 5.51
  38. 3.43
  39. 0.052
  40. 0.3

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