← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 99 · 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: 0.026, 0.52, 0.5, 0.475? (a) 0.026 (b) 0.52 (c) 0.5 (d) 0.475
  2. 2.What is the value of the digit 7 in 65.721? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  3. 3.Which is the smallest: 0.068, 0.62, 0.533, 0.6? (a) 0.068 (b) 0.62 (c) 0.533 (d) 0.6
  4. 4.Which is the greatest: 0.3, 0.239, 0.032, 0.35? (a) 0.3 (b) 0.239 (c) 0.032 (d) 0.35
  5. 5.2.96 + 2.9 = ? (a) 5.96 (b) 3.25 (c) 5.76 (d) 5.86
  6. 6.8.46 + 1.9 = ? (a) 10.26 (b) 8.65 (c) 10.36 (d) 10.46
  7. 7.8.62 + 7.1 = ? (a) 15.82 (b) 9.33 (c) 15.62 (d) 15.72
  8. 8.What is the value of the digit 5 in 56.821? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  9. 9.6.89 + 8.7 = ? (a) 15.69 (b) 15.49 (c) 7.76 (d) 15.59
  10. 10.6.77 + 2.1 = ? (a) 6.98 (b) 8.77 (c) 8.87 (d) 8.97
  11. 11.What is the value of the digit 1 in 86.512? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  12. 12.5.68 + 3.4 = ? (a) 9.18 (b) 8.98 (c) 6.02 (d) 9.08
  13. 13.Which is the smallest: 0.011, 0.127, 0.27, 0.2? (a) 0.011 (b) 0.127 (c) 0.27 (d) 0.2
  14. 14.What is the value of the digit 4 in 49.732? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  15. 15.2.78 + 5.6 = ? (a) 8.48 (b) 8.38 (c) 8.28 (d) 3.34
  16. 16.3.51 + 6.1 = ? (a) 9.61 (b) 9.71 (c) 9.51 (d) 4.12
  17. 17.1.74 + 2.3 = ? (a) 3.94 (b) 4.04 (c) 4.14 (d) 1.97
  18. 18.What is the value of the digit 3 in 27.834? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  19. 19.Which is the greatest: 0.2, 0.065, 0.172, 0.28? (a) 0.2 (b) 0.065 (c) 0.172 (d) 0.28
  20. 20.What is the value of the digit 8 in 48.239? (a) 80 (b) 8 (c) 0.08 (d) 0.8
  21. 21.1.26 + 3.1 = ? (a) 4.26 (b) 1.57 (c) 4.46 (d) 4.36
  22. 22.1.98 + 6.4 = ? (a) 8.38 (b) 8.28 (c) 8.48 (d) 2.62
  23. 23.Which is the greatest: 0.743, 0.8, 0.039, 0.87? (a) 0.743 (b) 0.8 (c) 0.039 (d) 0.87
  24. 24.What is the value of the digit 9 in 34.792? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  25. 25.1.65 + 2.1 = ? (a) 3.75 (b) 3.65 (c) 1.86 (d) 3.85
  26. 26.7.89 + 1.1 = ? (a) 9.09 (b) 8 (c) 8.99 (d) 8.89
  27. 27.Which is the smallest: 0.055, 0.8, 0.799, 0.82? (a) 0.055 (b) 0.8 (c) 0.799 (d) 0.82
  28. 28.Which is the greatest: 0.049, 0.191, 0.24, 0.2? (a) 0.049 (b) 0.191 (c) 0.24 (d) 0.2
  29. 29.4.16 + 4.9 = ? (a) 9.16 (b) 8.96 (c) 9.06 (d) 4.65
  30. 30.3.95 + 4.1 = ? (a) 4.36 (b) 8.15 (c) 7.95 (d) 8.05
  31. 31.Which is the smallest: 0.6, 0.034, 0.548, 0.68? (a) 0.6 (b) 0.034 (c) 0.548 (d) 0.68
  32. 32.8.58 + 7.3 = ? (a) 15.78 (b) 15.88 (c) 9.31 (d) 15.98
  33. 33.7.91 + 3.5 = ? (a) 11.51 (b) 11.31 (c) 8.26 (d) 11.41
  34. 34.2.94 + 6.4 = ? (a) 9.34 (b) 3.58 (c) 9.44 (d) 9.24
  35. 35.What is the value of the digit 2 in 52.167? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  36. 36.3.39 + 6.1 = ? (a) 9.49 (b) 9.39 (c) 9.59 (d) 4
  37. 37.What is the value of the digit 7 in 69.137? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  38. 38.Which is the smallest: 0.085, 0.592, 0.6, 0.66? (a) 0.085 (b) 0.592 (c) 0.6 (d) 0.66
  39. 39.Which is the greatest: 0.49, 0.036, 0.4, 0.386? (a) 0.49 (b) 0.036 (c) 0.4 (d) 0.386
  40. 40.7.07 + 7.2 = ? (a) 14.17 (b) 14.37 (c) 14.27 (d) 7.79

Answer key

  1. 0.52
  2. 0.7
  3. 0.068
  4. 0.35
  5. 5.86
  6. 10.36
  7. 15.72
  8. 50
  9. 15.59
  10. 8.87
  11. 0.01
  12. 9.08
  13. 0.011
  14. 40
  15. 8.38
  16. 9.61
  17. 4.04
  18. 0.03
  19. 0.28
  20. 8
  21. 4.36
  22. 8.38
  23. 0.87
  24. 0.09
  25. 3.75
  26. 8.99
  27. 0.055
  28. 0.24
  29. 9.06
  30. 8.05
  31. 0.034
  32. 15.88
  33. 11.41
  34. 9.34
  35. 2
  36. 9.49
  37. 0.007
  38. 0.085
  39. 0.49
  40. 14.27

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