← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 180 · 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. 1.7.43 + 6.1 = ? (a) 8.04 (b) 13.63 (c) 13.53 (d) 13.43
  2. 2.7.25 + 4.1 = ? (a) 7.66 (b) 11.25 (c) 11.35 (d) 11.45
  3. 3.What is the value of the digit 9 in 39.256? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  4. 4.Which is the greatest: 0.88, 0.8, 0.075, 0.714? (a) 0.88 (b) 0.8 (c) 0.075 (d) 0.714
  5. 5.What is the value of the digit 1 in 25.183? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  6. 6.Which is the greatest: 0.083, 0.85, 0.797, 0.8? (a) 0.083 (b) 0.85 (c) 0.797 (d) 0.8
  7. 7.What is the value of the digit 2 in 43.826? (a) 0.02 (b) 0.2 (c) 0.002 (d) 2
  8. 8.7.05 + 1.7 = ? (a) 8.85 (b) 8.65 (c) 7.22 (d) 8.75
  9. 9.What is the value of the digit 4 in 42.517? (a) 4 (b) 40 (c) 0.04 (d) 0.4
  10. 10.8.84 + 3.2 = ? (a) 9.16 (b) 11.94 (c) 12.14 (d) 12.04
  11. 11.Which is the greatest: 0.558, 0.69, 0.6, 0.037? (a) 0.558 (b) 0.69 (c) 0.6 (d) 0.037
  12. 12.9.14 + 5.7 = ? (a) 9.71 (b) 14.94 (c) 14.84 (d) 14.74
  13. 13.Which is the smallest: 0.036, 0.772, 0.87, 0.8? (a) 0.036 (b) 0.772 (c) 0.87 (d) 0.8
  14. 14.What is the value of the digit 4 in 46.321? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  15. 15.6.75 + 5.3 = ? (a) 11.95 (b) 12.15 (c) 12.05 (d) 7.28
  16. 16.1.81 + 4.7 = ? (a) 6.51 (b) 6.61 (c) 2.28 (d) 6.41
  17. 17.8.09 + 9.6 = ? (a) 17.79 (b) 9.05 (c) 17.59 (d) 17.69
  18. 18.Which is the greatest: 0.56, 0.412, 0.092, 0.5? (a) 0.56 (b) 0.412 (c) 0.092 (d) 0.5
  19. 19.1.38 + 4.5 = ? (a) 5.78 (b) 1.83 (c) 5.98 (d) 5.88
  20. 20.Which is the greatest: 0.084, 0.542, 0.64, 0.6? (a) 0.084 (b) 0.542 (c) 0.64 (d) 0.6
  21. 21.Which is the smallest: 0.39, 0.282, 0.049, 0.3? (a) 0.39 (b) 0.282 (c) 0.049 (d) 0.3
  22. 22.Which is the smallest: 0.4, 0.43, 0.349, 0.059? (a) 0.4 (b) 0.43 (c) 0.349 (d) 0.059
  23. 23.What is the value of the digit 8 in 16.823? (a) 8 (b) 0.8 (c) 0.008 (d) 0.08
  24. 24.What is the value of the digit 2 in 17.392? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  25. 25.Which is the greatest: 0.252, 0.3, 0.081, 0.34? (a) 0.252 (b) 0.3 (c) 0.081 (d) 0.34
  26. 26.Which is the greatest: 0.741, 0.81, 0.8, 0.035? (a) 0.741 (b) 0.81 (c) 0.8 (d) 0.035
  27. 27.6.54 + 4.2 = ? (a) 10.84 (b) 10.64 (c) 6.96 (d) 10.74
  28. 28.Which is the smallest: 0.066, 0.2, 0.24, 0.161? (a) 0.066 (b) 0.2 (c) 0.24 (d) 0.161
  29. 29.What is the value of the digit 8 in 28.495? (a) 0.8 (b) 80 (c) 8 (d) 0.08
  30. 30.8.01 + 6.8 = ? (a) 8.69 (b) 14.71 (c) 14.81 (d) 14.91
  31. 31.1.45 + 4.5 = ? (a) 5.85 (b) 6.05 (c) 1.9 (d) 5.95
  32. 32.What is the value of the digit 1 in 72.851? (a) 0.1 (b) 0.001 (c) 1 (d) 0.01
  33. 33.Which is the smallest: 0.74, 0.054, 0.698, 0.7? (a) 0.74 (b) 0.054 (c) 0.698 (d) 0.7
  34. 34.Which is the greatest: 0.785, 0.012, 0.89, 0.8? (a) 0.785 (b) 0.012 (c) 0.89 (d) 0.8
  35. 35.Which is the smallest: 0.8, 0.767, 0.034, 0.87? (a) 0.8 (b) 0.767 (c) 0.034 (d) 0.87
  36. 36.3.94 + 6.9 = ? (a) 4.63 (b) 10.94 (c) 10.84 (d) 10.74
  37. 37.Which is the smallest: 0.056, 0.6, 0.65, 0.534? (a) 0.056 (b) 0.6 (c) 0.65 (d) 0.534
  38. 38.Which is the greatest: 0.365, 0.042, 0.44, 0.4? (a) 0.365 (b) 0.042 (c) 0.44 (d) 0.4
  39. 39.What is the value of the digit 3 in 61.358? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  40. 40.Which is the greatest: 0.31, 0.3, 0.023, 0.283? (a) 0.31 (b) 0.3 (c) 0.023 (d) 0.283

Answer key

  1. 13.53
  2. 11.35
  3. 9
  4. 0.88
  5. 0.1
  6. 0.85
  7. 0.02
  8. 8.75
  9. 40
  10. 12.04
  11. 0.69
  12. 14.84
  13. 0.036
  14. 40
  15. 12.05
  16. 6.51
  17. 17.69
  18. 0.56
  19. 5.88
  20. 0.64
  21. 0.049
  22. 0.059
  23. 0.8
  24. 0.002
  25. 0.34
  26. 0.81
  27. 10.74
  28. 0.066
  29. 8
  30. 14.81
  31. 5.95
  32. 0.001
  33. 0.054
  34. 0.89
  35. 0.034
  36. 10.84
  37. 0.056
  38. 0.44
  39. 0.3
  40. 0.31

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