← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 412 · 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: 0.5, 0.417, 0.56, 0.044? (a) 0.5 (b) 0.417 (c) 0.56 (d) 0.044
  2. 2.What is the value of the digit 6 in 83.269? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  3. 3.3.51 + 8.6 = ? (a) 12.01 (b) 12.21 (c) 12.11 (d) 4.37
  4. 4.2.42 + 9.4 = ? (a) 11.82 (b) 3.36 (c) 11.72 (d) 11.92
  5. 5.3.18 + 4.3 = ? (a) 7.48 (b) 7.38 (c) 3.61 (d) 7.58
  6. 6.What is the value of the digit 5 in 97.251? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  7. 7.What is the value of the digit 2 in 32.786? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  8. 8.What is the value of the digit 8 in 18.425? (a) 80 (b) 0.8 (c) 8 (d) 0.08
  9. 9.2.48 + 7.1 = ? (a) 3.19 (b) 9.58 (c) 9.68 (d) 9.48
  10. 10.Which is the smallest: 0.432, 0.51, 0.017, 0.5? (a) 0.432 (b) 0.51 (c) 0.017 (d) 0.5
  11. 11.7.48 + 4.1 = ? (a) 11.48 (b) 11.58 (c) 7.89 (d) 11.68
  12. 12.6.41 + 3.8 = ? (a) 10.11 (b) 6.79 (c) 10.21 (d) 10.31
  13. 13.Which is the greatest: 0.43, 0.316, 0.089, 0.4? (a) 0.43 (b) 0.316 (c) 0.089 (d) 0.4
  14. 14.What is the value of the digit 7 in 45.871? (a) 7 (b) 0.7 (c) 0.007 (d) 0.07
  15. 15.5.33 + 2.9 = ? (a) 8.33 (b) 8.13 (c) 5.62 (d) 8.23
  16. 16.6.31 + 5.2 = ? (a) 11.51 (b) 6.83 (c) 11.61 (d) 11.41
  17. 17.9.39 + 1.9 = ? (a) 11.39 (b) 9.58 (c) 11.19 (d) 11.29
  18. 18.Which is the greatest: 0.2, 0.185, 0.29, 0.016? (a) 0.2 (b) 0.185 (c) 0.29 (d) 0.016
  19. 19.Which is the greatest: 0.635, 0.012, 0.7, 0.75? (a) 0.635 (b) 0.012 (c) 0.7 (d) 0.75
  20. 20.What is the value of the digit 3 in 36.521? (a) 0.03 (b) 30 (c) 0.3 (d) 3
  21. 21.7.47 + 8.2 = ? (a) 8.29 (b) 15.57 (c) 15.67 (d) 15.77
  22. 22.Which is the greatest: 0.716, 0.8, 0.014, 0.89? (a) 0.716 (b) 0.8 (c) 0.014 (d) 0.89
  23. 23.9.65 + 5.6 = ? (a) 15.35 (b) 10.21 (c) 15.15 (d) 15.25
  24. 24.1.94 + 9.2 = ? (a) 2.86 (b) 11.24 (c) 11.04 (d) 11.14
  25. 25.9.58 + 1.5 = ? (a) 10.98 (b) 11.08 (c) 9.73 (d) 11.18
  26. 26.9.42 + 4.8 = ? (a) 14.12 (b) 14.22 (c) 9.9 (d) 14.32
  27. 27.Which is the greatest: 0.042, 0.697, 0.7, 0.73? (a) 0.042 (b) 0.697 (c) 0.7 (d) 0.73
  28. 28.Which is the greatest: 0.015, 0.8, 0.762, 0.88? (a) 0.015 (b) 0.8 (c) 0.762 (d) 0.88
  29. 29.What is the value of the digit 3 in 61.823? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  30. 30.What is the value of the digit 8 in 58.672? (a) 0.8 (b) 0.08 (c) 80 (d) 8
  31. 31.7.51 + 8.1 = ? (a) 15.51 (b) 8.32 (c) 15.71 (d) 15.61
  32. 32.Which is the greatest: 0.048, 0.655, 0.77, 0.7? (a) 0.048 (b) 0.655 (c) 0.77 (d) 0.7
  33. 33.9.01 + 5.9 = ? (a) 9.6 (b) 14.81 (c) 15.01 (d) 14.91
  34. 34.What is the value of the digit 3 in 62.538? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  35. 35.What is the value of the digit 4 in 26.754? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  36. 36.7.08 + 5.3 = ? (a) 12.48 (b) 7.61 (c) 12.38 (d) 12.28
  37. 37.Which is the greatest: 0.078, 0.36, 0.231, 0.3? (a) 0.078 (b) 0.36 (c) 0.231 (d) 0.3
  38. 38.Which is the greatest: 0.79, 0.065, 0.627, 0.7? (a) 0.79 (b) 0.065 (c) 0.627 (d) 0.7
  39. 39.Which is the greatest: 0.032, 0.686, 0.7, 0.75? (a) 0.032 (b) 0.686 (c) 0.7 (d) 0.75
  40. 40.8.37 + 9.6 = ? (a) 9.33 (b) 17.97 (c) 17.87 (d) 18.07

Answer key

  1. 0.56
  2. 0.06
  3. 12.11
  4. 11.82
  5. 7.48
  6. 0.05
  7. 2
  8. 8
  9. 9.58
  10. 0.017
  11. 11.58
  12. 10.21
  13. 0.43
  14. 0.07
  15. 8.23
  16. 11.51
  17. 11.29
  18. 0.29
  19. 0.75
  20. 30
  21. 15.67
  22. 0.89
  23. 15.25
  24. 11.14
  25. 11.08
  26. 14.22
  27. 0.73
  28. 0.88
  29. 0.003
  30. 8
  31. 15.61
  32. 0.77
  33. 14.91
  34. 0.03
  35. 0.004
  36. 12.38
  37. 0.36
  38. 0.79
  39. 0.75
  40. 17.97

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