← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 7 · 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. 1.1.81 + 9.7 = ? (a) 11.41 (b) 11.51 (c) 2.78 (d) 11.61
  2. 2.3.74 + 2.2 = ? (a) 5.94 (b) 6.04 (c) 5.84 (d) 3.96
  3. 3.What is the value of the digit 7 in 47.859? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  4. 4.What is the value of the digit 4 in 25.614? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  5. 5.Which is the smallest: 0.2, 0.28, 0.159, 0.072? (a) 0.2 (b) 0.28 (c) 0.159 (d) 0.072
  6. 6.What is the value of the digit 8 in 81.536? (a) 0.8 (b) 8 (c) 80 (d) 0.08
  7. 7.Which is the greatest: 0.4, 0.47, 0.085, 0.365? (a) 0.4 (b) 0.47 (c) 0.085 (d) 0.365
  8. 8.What is the value of the digit 2 in 15.829? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  9. 9.3.17 + 6.7 = ? (a) 9.97 (b) 3.84 (c) 9.77 (d) 9.87
  10. 10.3.66 + 2.3 = ? (a) 5.86 (b) 3.89 (c) 6.06 (d) 5.96
  11. 11.What is the value of the digit 5 in 45.136? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  12. 12.Which is the greatest: 0.046, 0.769, 0.8, 0.87? (a) 0.046 (b) 0.769 (c) 0.8 (d) 0.87
  13. 13.8.11 + 4.7 = ? (a) 12.91 (b) 12.71 (c) 12.81 (d) 8.58
  14. 14.6.51 + 8.3 = ? (a) 7.34 (b) 14.81 (c) 14.71 (d) 14.91
  15. 15.2.44 + 9.2 = ? (a) 11.64 (b) 11.74 (c) 11.54 (d) 3.36
  16. 16.9.63 + 6.6 = ? (a) 10.29 (b) 16.33 (c) 16.23 (d) 16.13
  17. 17.4.62 + 2.2 = ? (a) 6.82 (b) 6.72 (c) 6.92 (d) 4.84
  18. 18.Which is the greatest: 0.086, 0.57, 0.493, 0.5? (a) 0.086 (b) 0.57 (c) 0.493 (d) 0.5
  19. 19.What is the value of the digit 4 in 45.317? (a) 4 (b) 40 (c) 0.04 (d) 0.4
  20. 20.4.53 + 7.6 = ? (a) 12.03 (b) 5.29 (c) 12.23 (d) 12.13
  21. 21.What is the value of the digit 5 in 53.214? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  22. 22.Which is the smallest: 0.086, 0.2, 0.23, 0.143? (a) 0.086 (b) 0.2 (c) 0.23 (d) 0.143
  23. 23.1.55 + 4.1 = ? (a) 1.96 (b) 5.55 (c) 5.65 (d) 5.75
  24. 24.Which is the smallest: 0.229, 0.3, 0.086, 0.37? (a) 0.229 (b) 0.3 (c) 0.086 (d) 0.37
  25. 25.What is the value of the digit 6 in 26.715? (a) 0.6 (b) 6 (c) 60 (d) 0.06
  26. 26.9.81 + 1.2 = ? (a) 9.93 (b) 11.01 (c) 10.91 (d) 11.11
  27. 27.Which is the greatest: 0.039, 0.773, 0.83, 0.8? (a) 0.039 (b) 0.773 (c) 0.83 (d) 0.8
  28. 28.6.79 + 4.4 = ? (a) 7.23 (b) 11.19 (c) 11.29 (d) 11.09
  29. 29.3.95 + 3.4 = ? (a) 4.29 (b) 7.25 (c) 7.45 (d) 7.35
  30. 30.What is the value of the digit 7 in 59.741? (a) 0.7 (b) 0.007 (c) 7 (d) 0.07
  31. 31.3.82 + 1.8 = ? (a) 4 (b) 5.62 (c) 5.72 (d) 5.52
  32. 32.2.36 + 6.7 = ? (a) 8.96 (b) 9.06 (c) 9.16 (d) 3.03
  33. 33.What is the value of the digit 5 in 51.762? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  34. 34.Which is the smallest: 0.25, 0.015, 0.143, 0.2? (a) 0.25 (b) 0.015 (c) 0.143 (d) 0.2
  35. 35.What is the value of the digit 3 in 13.492? (a) 3 (b) 0.3 (c) 30 (d) 0.03
  36. 36.7.21 + 2.3 = ? (a) 9.61 (b) 9.51 (c) 9.41 (d) 7.44
  37. 37.9.33 + 5.6 = ? (a) 15.03 (b) 14.83 (c) 9.89 (d) 14.93
  38. 38.Which is the greatest: 0.056, 0.2, 0.195, 0.29? (a) 0.056 (b) 0.2 (c) 0.195 (d) 0.29
  39. 39.What is the value of the digit 1 in 39.241? (a) 0.01 (b) 0.001 (c) 1 (d) 0.1
  40. 40.Which is the greatest: 0.33, 0.073, 0.3, 0.213? (a) 0.33 (b) 0.073 (c) 0.3 (d) 0.213

Answer key

  1. 11.51
  2. 5.94
  3. 7
  4. 0.004
  5. 0.072
  6. 80
  7. 0.47
  8. 0.02
  9. 9.87
  10. 5.96
  11. 5
  12. 0.87
  13. 12.81
  14. 14.81
  15. 11.64
  16. 16.23
  17. 6.82
  18. 0.57
  19. 40
  20. 12.13
  21. 50
  22. 0.086
  23. 5.65
  24. 0.086
  25. 6
  26. 11.01
  27. 0.83
  28. 11.19
  29. 7.35
  30. 0.7
  31. 5.62
  32. 9.06
  33. 50
  34. 0.015
  35. 3
  36. 9.51
  37. 14.93
  38. 0.29
  39. 0.001
  40. 0.33

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