← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 224 · 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. 1.1.69 + 4.9 = ? (a) 6.69 (b) 6.49 (c) 6.59 (d) 2.18
  2. 2.Which is the smallest: 0.094, 0.2, 0.22, 0.115? (a) 0.094 (b) 0.2 (c) 0.22 (d) 0.115
  3. 3.9.25 + 3.8 = ? (a) 13.05 (b) 13.15 (c) 12.95 (d) 9.63
  4. 4.What is the value of the digit 2 in 68.427? (a) 0.2 (b) 0.002 (c) 0.02 (d) 2
  5. 5.What is the value of the digit 7 in 32.471? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  6. 6.What is the value of the digit 7 in 78.163? (a) 0.7 (b) 7 (c) 70 (d) 0.07
  7. 7.What is the value of the digit 7 in 72.963? (a) 0.07 (b) 0.7 (c) 70 (d) 7
  8. 8.What is the value of the digit 6 in 57.641? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  9. 9.8.07 + 2.9 = ? (a) 10.97 (b) 11.07 (c) 8.36 (d) 10.87
  10. 10.Which is the smallest: 0.651, 0.79, 0.039, 0.7? (a) 0.651 (b) 0.79 (c) 0.039 (d) 0.7
  11. 11.3.71 + 4.6 = ? (a) 8.21 (b) 4.17 (c) 8.31 (d) 8.41
  12. 12.3.61 + 2.2 = ? (a) 3.83 (b) 5.81 (c) 5.91 (d) 5.71
  13. 13.1.93 + 4.9 = ? (a) 6.73 (b) 6.83 (c) 6.93 (d) 2.42
  14. 14.Which is the greatest: 0.637, 0.023, 0.7, 0.75? (a) 0.637 (b) 0.023 (c) 0.7 (d) 0.75
  15. 15.What is the value of the digit 2 in 24.316? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  16. 16.9.81 + 4.1 = ? (a) 10.22 (b) 13.81 (c) 14.01 (d) 13.91
  17. 17.What is the value of the digit 1 in 27.914? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  18. 18.What is the value of the digit 3 in 15.638? (a) 3 (b) 0.03 (c) 0.3 (d) 0.003
  19. 19.What is the value of the digit 7 in 13.479? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  20. 20.What is the value of the digit 6 in 26.715? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  21. 21.Which is the greatest: 0.77, 0.085, 0.7, 0.632? (a) 0.77 (b) 0.085 (c) 0.7 (d) 0.632
  22. 22.Which is the smallest: 0.24, 0.035, 0.186, 0.2? (a) 0.24 (b) 0.035 (c) 0.186 (d) 0.2
  23. 23.What is the value of the digit 8 in 15.836? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  24. 24.9.52 + 8.8 = ? (a) 10.4 (b) 18.22 (c) 18.42 (d) 18.32
  25. 25.3.52 + 3.8 = ? (a) 7.42 (b) 3.9 (c) 7.22 (d) 7.32
  26. 26.9.32 + 7.5 = ? (a) 16.82 (b) 16.72 (c) 10.07 (d) 16.92
  27. 27.3.31 + 2.5 = ? (a) 5.81 (b) 3.56 (c) 5.91 (d) 5.71
  28. 28.What is the value of the digit 9 in 59.418? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  29. 29.Which is the smallest: 0.44, 0.024, 0.311, 0.4? (a) 0.44 (b) 0.024 (c) 0.311 (d) 0.4
  30. 30.1.39 + 8.5 = ? (a) 2.24 (b) 9.99 (c) 9.79 (d) 9.89
  31. 31.1.67 + 2.7 = ? (a) 4.47 (b) 4.37 (c) 4.27 (d) 1.94
  32. 32.Which is the smallest: 0.734, 0.077, 0.89, 0.8? (a) 0.734 (b) 0.077 (c) 0.89 (d) 0.8
  33. 33.8.51 + 1.6 = ? (a) 10.01 (b) 8.67 (c) 10.21 (d) 10.11
  34. 34.Which is the smallest: 0.066, 0.3, 0.39, 0.275? (a) 0.066 (b) 0.3 (c) 0.39 (d) 0.275
  35. 35.Which is the greatest: 0.279, 0.39, 0.019, 0.3? (a) 0.279 (b) 0.39 (c) 0.019 (d) 0.3
  36. 36.Which is the greatest: 0.116, 0.029, 0.2, 0.24? (a) 0.116 (b) 0.029 (c) 0.2 (d) 0.24
  37. 37.Which is the greatest: 0.76, 0.055, 0.642, 0.7? (a) 0.76 (b) 0.055 (c) 0.642 (d) 0.7
  38. 38.2.09 + 3.4 = ? (a) 2.43 (b) 5.59 (c) 5.39 (d) 5.49
  39. 39.5.58 + 8.9 = ? (a) 14.58 (b) 14.38 (c) 6.47 (d) 14.48
  40. 40.7.58 + 5.9 = ? (a) 8.17 (b) 13.38 (c) 13.58 (d) 13.48

Answer key

  1. 6.59
  2. 0.094
  3. 13.05
  4. 0.02
  5. 0.07
  6. 70
  7. 70
  8. 0.6
  9. 10.97
  10. 0.039
  11. 8.31
  12. 5.81
  13. 6.83
  14. 0.75
  15. 20
  16. 13.91
  17. 0.01
  18. 0.03
  19. 0.07
  20. 6
  21. 0.77
  22. 0.035
  23. 0.8
  24. 18.32
  25. 7.32
  26. 16.82
  27. 5.81
  28. 9
  29. 0.024
  30. 9.89
  31. 4.37
  32. 0.077
  33. 10.11
  34. 0.066
  35. 0.39
  36. 0.24
  37. 0.76
  38. 5.49
  39. 14.48
  40. 13.48

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