← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 38 · 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. 1.8.52 + 9.3 = ? (a) 9.45 (b) 17.82 (c) 17.72 (d) 17.92
  2. 2.What is the value of the digit 9 in 92.583? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  3. 3.4.04 + 4.6 = ? (a) 8.54 (b) 4.5 (c) 8.74 (d) 8.64
  4. 4.Which is the greatest: 0.63, 0.6, 0.029, 0.561? (a) 0.63 (b) 0.6 (c) 0.029 (d) 0.561
  5. 5.Which is the greatest: 0.6, 0.537, 0.66, 0.028? (a) 0.6 (b) 0.537 (c) 0.66 (d) 0.028
  6. 6.Which is the greatest: 0.047, 0.736, 0.8, 0.83? (a) 0.047 (b) 0.736 (c) 0.8 (d) 0.83
  7. 7.1.53 + 7.8 = ? (a) 9.43 (b) 9.23 (c) 9.33 (d) 2.31
  8. 8.What is the value of the digit 8 in 95.368? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  9. 9.What is the value of the digit 8 in 17.849? (a) 8 (b) 0.8 (c) 0.008 (d) 0.08
  10. 10.What is the value of the digit 9 in 45.697? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  11. 11.4.01 + 2.8 = ? (a) 6.71 (b) 6.81 (c) 6.91 (d) 4.29
  12. 12.3.29 + 9.2 = ? (a) 12.59 (b) 4.21 (c) 12.39 (d) 12.49
  13. 13.8.82 + 9.2 = ? (a) 9.74 (b) 18.02 (c) 17.92 (d) 18.12
  14. 14.6.05 + 3.6 = ? (a) 9.65 (b) 9.55 (c) 6.41 (d) 9.75
  15. 15.9.74 + 2.1 = ? (a) 11.94 (b) 11.74 (c) 11.84 (d) 9.95
  16. 16.3.55 + 9.1 = ? (a) 12.75 (b) 12.55 (c) 4.46 (d) 12.65
  17. 17.Which is the smallest: 0.538, 0.6, 0.084, 0.62? (a) 0.538 (b) 0.6 (c) 0.084 (d) 0.62
  18. 18.What is the value of the digit 4 in 14.632? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  19. 19.6.21 + 4.8 = ? (a) 6.69 (b) 11.01 (c) 10.91 (d) 11.11
  20. 20.Which is the smallest: 0.046, 0.7, 0.647, 0.79? (a) 0.046 (b) 0.7 (c) 0.647 (d) 0.79
  21. 21.Which is the greatest: 0.53, 0.471, 0.5, 0.044? (a) 0.53 (b) 0.471 (c) 0.5 (d) 0.044
  22. 22.8.41 + 1.9 = ? (a) 10.21 (b) 10.31 (c) 10.41 (d) 8.6
  23. 23.5.09 + 8.5 = ? (a) 13.59 (b) 13.69 (c) 5.94 (d) 13.49
  24. 24.5.46 + 3.2 = ? (a) 8.76 (b) 8.66 (c) 8.56 (d) 5.78
  25. 25.Which is the smallest: 0.021, 0.8, 0.83, 0.744? (a) 0.021 (b) 0.8 (c) 0.83 (d) 0.744
  26. 26.What is the value of the digit 7 in 72.514? (a) 70 (b) 0.07 (c) 0.7 (d) 7
  27. 27.Which is the greatest: 0.625, 0.71, 0.7, 0.028? (a) 0.625 (b) 0.71 (c) 0.7 (d) 0.028
  28. 28.Which is the greatest: 0.419, 0.091, 0.5, 0.55? (a) 0.419 (b) 0.091 (c) 0.5 (d) 0.55
  29. 29.Which is the smallest: 0.067, 0.39, 0.3, 0.298? (a) 0.067 (b) 0.39 (c) 0.3 (d) 0.298
  30. 30.What is the value of the digit 6 in 25.631? (a) 0.6 (b) 0.06 (c) 0.006 (d) 6
  31. 31.What is the value of the digit 5 in 89.754? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  32. 32.7.41 + 4.1 = ? (a) 7.82 (b) 11.61 (c) 11.41 (d) 11.51
  33. 33.7.68 + 8.2 = ? (a) 8.5 (b) 15.98 (c) 15.78 (d) 15.88
  34. 34.9.01 + 7.1 = ? (a) 16.01 (b) 9.72 (c) 16.11 (d) 16.21
  35. 35.Which is the smallest: 0.3, 0.282, 0.017, 0.35? (a) 0.3 (b) 0.282 (c) 0.017 (d) 0.35
  36. 36.Which is the greatest: 0.2, 0.199, 0.048, 0.21? (a) 0.2 (b) 0.199 (c) 0.048 (d) 0.21
  37. 37.What is the value of the digit 3 in 39.178? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  38. 38.What is the value of the digit 8 in 14.832? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  39. 39.Which is the greatest: 0.076, 0.21, 0.126, 0.2? (a) 0.076 (b) 0.21 (c) 0.126 (d) 0.2
  40. 40.2.83 + 2.9 = ? (a) 3.12 (b) 5.73 (c) 5.83 (d) 5.63

Answer key

  1. 17.82
  2. 90
  3. 8.64
  4. 0.63
  5. 0.66
  6. 0.83
  7. 9.33
  8. 0.008
  9. 0.8
  10. 0.09
  11. 6.81
  12. 12.49
  13. 18.02
  14. 9.65
  15. 11.84
  16. 12.65
  17. 0.084
  18. 4
  19. 11.01
  20. 0.046
  21. 0.53
  22. 10.31
  23. 13.59
  24. 8.66
  25. 0.021
  26. 70
  27. 0.71
  28. 0.55
  29. 0.067
  30. 0.6
  31. 0.05
  32. 11.51
  33. 15.88
  34. 16.11
  35. 0.017
  36. 0.21
  37. 30
  38. 0.8
  39. 0.21
  40. 5.73

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