← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 208 · 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. 1.1.83 + 6.6 = ? (a) 8.33 (b) 2.49 (c) 8.53 (d) 8.43
  2. 2.Which is the smallest: 0.772, 0.8, 0.069, 0.85? (a) 0.772 (b) 0.8 (c) 0.069 (d) 0.85
  3. 3.What is the value of the digit 5 in 68.517? (a) 0.05 (b) 0.5 (c) 0.005 (d) 5
  4. 4.Which is the greatest: 0.485, 0.5, 0.025, 0.56? (a) 0.485 (b) 0.5 (c) 0.025 (d) 0.56
  5. 5.What is the value of the digit 5 in 85.324? (a) 5 (b) 0.5 (c) 50 (d) 0.05
  6. 6.1.88 + 6.2 = ? (a) 8.08 (b) 2.5 (c) 8.18 (d) 7.98
  7. 7.4.82 + 3.2 = ? (a) 8.02 (b) 7.92 (c) 8.12 (d) 5.14
  8. 8.What is the value of the digit 8 in 75.846? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  9. 9.9.22 + 8.7 = ? (a) 17.82 (b) 17.92 (c) 18.02 (d) 10.09
  10. 10.What is the value of the digit 1 in 45.691? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  11. 11.What is the value of the digit 7 in 27.594? (a) 70 (b) 0.07 (c) 7 (d) 0.7
  12. 12.9.88 + 5.1 = ? (a) 15.08 (b) 10.39 (c) 14.88 (d) 14.98
  13. 13.Which is the smallest: 0.785, 0.8, 0.077, 0.83? (a) 0.785 (b) 0.8 (c) 0.077 (d) 0.83
  14. 14.What is the value of the digit 3 in 46.531? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  15. 15.What is the value of the digit 3 in 31.854? (a) 0.3 (b) 3 (c) 0.03 (d) 30
  16. 16.What is the value of the digit 9 in 91.635? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  17. 17.5.31 + 4.2 = ? (a) 5.73 (b) 9.51 (c) 9.61 (d) 9.41
  18. 18.Which is the smallest: 0.242, 0.077, 0.3, 0.37? (a) 0.242 (b) 0.077 (c) 0.3 (d) 0.37
  19. 19.What is the value of the digit 7 in 25.714? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  20. 20.9.33 + 5.2 = ? (a) 14.63 (b) 14.43 (c) 14.53 (d) 9.85
  21. 21.5.41 + 3.7 = ? (a) 5.78 (b) 9.21 (c) 9.01 (d) 9.11
  22. 22.Which is the greatest: 0.042, 0.692, 0.7, 0.74? (a) 0.042 (b) 0.692 (c) 0.7 (d) 0.74
  23. 23.What is the value of the digit 6 in 49.586? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  24. 24.Which is the greatest: 0.68, 0.565, 0.6, 0.089? (a) 0.68 (b) 0.565 (c) 0.6 (d) 0.089
  25. 25.Which is the smallest: 0.126, 0.038, 0.23, 0.2? (a) 0.126 (b) 0.038 (c) 0.23 (d) 0.2
  26. 26.3.02 + 9.7 = ? (a) 12.72 (b) 12.82 (c) 3.99 (d) 12.62
  27. 27.What is the value of the digit 7 in 18.746? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  28. 28.5.09 + 2.4 = ? (a) 7.49 (b) 7.39 (c) 7.59 (d) 5.33
  29. 29.What is the value of the digit 8 in 37.298? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  30. 30.What is the value of the digit 2 in 24.391? (a) 2 (b) 20 (c) 0.2 (d) 0.02
  31. 31.What is the value of the digit 1 in 89.162? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  32. 32.Which is the greatest: 0.385, 0.4, 0.49, 0.044? (a) 0.385 (b) 0.4 (c) 0.49 (d) 0.044
  33. 33.Which is the smallest: 0.065, 0.3, 0.232, 0.38? (a) 0.065 (b) 0.3 (c) 0.232 (d) 0.38
  34. 34.What is the value of the digit 8 in 29.618? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  35. 35.Which is the greatest: 0.7, 0.687, 0.066, 0.79? (a) 0.7 (b) 0.687 (c) 0.066 (d) 0.79
  36. 36.Which is the greatest: 0.085, 0.39, 0.269, 0.3? (a) 0.085 (b) 0.39 (c) 0.269 (d) 0.3
  37. 37.2.83 + 3.1 = ? (a) 3.14 (b) 5.93 (c) 5.83 (d) 6.03
  38. 38.3.63 + 2.3 = ? (a) 3.86 (b) 5.83 (c) 6.03 (d) 5.93
  39. 39.What is the value of the digit 7 in 75.614? (a) 0.7 (b) 7 (c) 70 (d) 0.07
  40. 40.1.79 + 7.6 = ? (a) 2.55 (b) 9.39 (c) 9.29 (d) 9.49

Answer key

  1. 8.43
  2. 0.069
  3. 0.5
  4. 0.56
  5. 5
  6. 8.08
  7. 8.02
  8. 0.8
  9. 17.92
  10. 0.001
  11. 7
  12. 14.98
  13. 0.077
  14. 0.03
  15. 30
  16. 90
  17. 9.51
  18. 0.077
  19. 0.7
  20. 14.53
  21. 9.11
  22. 0.74
  23. 0.006
  24. 0.68
  25. 0.038
  26. 12.72
  27. 0.7
  28. 7.49
  29. 0.008
  30. 20
  31. 0.1
  32. 0.49
  33. 0.065
  34. 0.008
  35. 0.79
  36. 0.39
  37. 5.93
  38. 5.93
  39. 70
  40. 9.39

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