← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 611 · 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. 1.7.11 + 8.8 = ? (a) 15.91 (b) 16.01 (c) 7.99 (d) 15.81
  2. 2.What is the value of the digit 4 in 82.194? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  3. 3.Which is the smallest: 0.024, 0.25, 0.2, 0.162? (a) 0.024 (b) 0.25 (c) 0.2 (d) 0.162
  4. 4.3.11 + 9.2 = ? (a) 12.21 (b) 12.31 (c) 4.03 (d) 12.41
  5. 5.Which is the greatest: 0.3, 0.39, 0.251, 0.088? (a) 0.3 (b) 0.39 (c) 0.251 (d) 0.088
  6. 6.1.04 + 7.9 = ? (a) 8.94 (b) 8.84 (c) 9.04 (d) 1.83
  7. 7.What is the value of the digit 1 in 56.714? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  8. 8.What is the value of the digit 5 in 54.831? (a) 50 (b) 0.5 (c) 0.05 (d) 5
  9. 9.7.61 + 4.1 = ? (a) 11.61 (b) 11.81 (c) 8.02 (d) 11.71
  10. 10.What is the value of the digit 1 in 14.635? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  11. 11.9.85 + 5.1 = ? (a) 10.36 (b) 15.05 (c) 14.85 (d) 14.95
  12. 12.5.28 + 5.5 = ? (a) 10.78 (b) 10.88 (c) 10.68 (d) 5.83
  13. 13.Which is the smallest: 0.464, 0.52, 0.044, 0.5? (a) 0.464 (b) 0.52 (c) 0.044 (d) 0.5
  14. 14.Which is the greatest: 0.085, 0.8, 0.757, 0.87? (a) 0.085 (b) 0.8 (c) 0.757 (d) 0.87
  15. 15.Which is the greatest: 0.219, 0.38, 0.063, 0.3? (a) 0.219 (b) 0.38 (c) 0.063 (d) 0.3
  16. 16.3.21 + 5.3 = ? (a) 3.74 (b) 8.51 (c) 8.61 (d) 8.41
  17. 17.Which is the greatest: 0.554, 0.6, 0.68, 0.091? (a) 0.554 (b) 0.6 (c) 0.68 (d) 0.091
  18. 18.What is the value of the digit 2 in 21.946? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  19. 19.Which is the greatest: 0.027, 0.4, 0.369, 0.41? (a) 0.027 (b) 0.4 (c) 0.369 (d) 0.41
  20. 20.Which is the smallest: 0.014, 0.713, 0.84, 0.8? (a) 0.014 (b) 0.713 (c) 0.84 (d) 0.8
  21. 21.What is the value of the digit 1 in 17.829? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  22. 22.What is the value of the digit 5 in 75.421? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  23. 23.What is the value of the digit 8 in 85.734? (a) 0.08 (b) 80 (c) 0.8 (d) 8
  24. 24.What is the value of the digit 7 in 69.157? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  25. 25.What is the value of the digit 4 in 42.637? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  26. 26.1.27 + 3.4 = ? (a) 4.57 (b) 4.77 (c) 1.61 (d) 4.67
  27. 27.2.68 + 9.2 = ? (a) 11.78 (b) 11.88 (c) 3.6 (d) 11.98
  28. 28.What is the value of the digit 4 in 84.653? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  29. 29.Which is the greatest: 0.58, 0.466, 0.5, 0.065? (a) 0.58 (b) 0.466 (c) 0.5 (d) 0.065
  30. 30.What is the value of the digit 8 in 27.158? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  31. 31.What is the value of the digit 3 in 74.236? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3
  32. 32.Which is the greatest: 0.015, 0.69, 0.587, 0.6? (a) 0.015 (b) 0.69 (c) 0.587 (d) 0.6
  33. 33.Which is the smallest: 0.061, 0.41, 0.381, 0.4? (a) 0.061 (b) 0.41 (c) 0.381 (d) 0.4
  34. 34.Which is the greatest: 0.751, 0.8, 0.81, 0.062? (a) 0.751 (b) 0.8 (c) 0.81 (d) 0.062
  35. 35.3.57 + 8.1 = ? (a) 4.38 (b) 11.57 (c) 11.77 (d) 11.67
  36. 36.1.11 + 1.3 = ? (a) 2.51 (b) 1.24 (c) 2.31 (d) 2.41
  37. 37.7.01 + 3.4 = ? (a) 7.35 (b) 10.51 (c) 10.31 (d) 10.41
  38. 38.9.39 + 1.5 = ? (a) 10.99 (b) 9.54 (c) 10.79 (d) 10.89
  39. 39.Which is the greatest: 0.146, 0.2, 0.039, 0.26? (a) 0.146 (b) 0.2 (c) 0.039 (d) 0.26
  40. 40.Which is the smallest: 0.21, 0.2, 0.136, 0.034? (a) 0.21 (b) 0.2 (c) 0.136 (d) 0.034

Answer key

  1. 15.91
  2. 0.004
  3. 0.024
  4. 12.31
  5. 0.39
  6. 8.94
  7. 0.01
  8. 50
  9. 11.71
  10. 10
  11. 14.95
  12. 10.78
  13. 0.044
  14. 0.87
  15. 0.38
  16. 8.51
  17. 0.68
  18. 20
  19. 0.41
  20. 0.014
  21. 10
  22. 5
  23. 80
  24. 0.007
  25. 40
  26. 4.67
  27. 11.88
  28. 4
  29. 0.58
  30. 0.008
  31. 0.03
  32. 0.69
  33. 0.061
  34. 0.81
  35. 11.67
  36. 2.41
  37. 10.41
  38. 10.89
  39. 0.26
  40. 0.034

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