← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 13 · 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. 1.7.85 + 6.6 = ? (a) 14.55 (b) 14.35 (c) 8.51 (d) 14.45
  2. 2.6.01 + 9.2 = ? (a) 15.11 (b) 6.93 (c) 15.31 (d) 15.21
  3. 3.Which is the greatest: 0.386, 0.087, 0.4, 0.46? (a) 0.386 (b) 0.087 (c) 0.4 (d) 0.46
  4. 4.What is the value of the digit 5 in 19.528? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  5. 5.Which is the greatest: 0.539, 0.6, 0.049, 0.62? (a) 0.539 (b) 0.6 (c) 0.049 (d) 0.62
  6. 6.1.21 + 3.3 = ? (a) 1.54 (b) 4.61 (c) 4.51 (d) 4.41
  7. 7.What is the value of the digit 6 in 97.246? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  8. 8.What is the value of the digit 8 in 71.389? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  9. 9.Which is the smallest: 0.076, 0.432, 0.5, 0.58? (a) 0.076 (b) 0.432 (c) 0.5 (d) 0.58
  10. 10.4.46 + 7.8 = ? (a) 12.36 (b) 5.24 (c) 12.16 (d) 12.26
  11. 11.3.87 + 4.4 = ? (a) 4.31 (b) 8.37 (c) 8.17 (d) 8.27
  12. 12.What is the value of the digit 1 in 72.941? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  13. 13.4.56 + 9.5 = ? (a) 5.51 (b) 14.16 (c) 13.96 (d) 14.06
  14. 14.Which is the greatest: 0.061, 0.26, 0.2, 0.115? (a) 0.061 (b) 0.26 (c) 0.2 (d) 0.115
  15. 15.What is the value of the digit 8 in 39.821? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  16. 16.Which is the greatest: 0.52, 0.461, 0.5, 0.014? (a) 0.52 (b) 0.461 (c) 0.5 (d) 0.014
  17. 17.4.55 + 1.1 = ? (a) 5.75 (b) 5.55 (c) 5.65 (d) 4.66
  18. 18.Which is the smallest: 0.83, 0.083, 0.8, 0.764? (a) 0.83 (b) 0.083 (c) 0.8 (d) 0.764
  19. 19.8.35 + 8.4 = ? (a) 16.85 (b) 9.19 (c) 16.75 (d) 16.65
  20. 20.9.43 + 7.7 = ? (a) 17.13 (b) 10.2 (c) 17.03 (d) 17.23
  21. 21.4.36 + 2.1 = ? (a) 6.36 (b) 6.56 (c) 4.57 (d) 6.46
  22. 22.Which is the smallest: 0.37, 0.031, 0.3, 0.231? (a) 0.37 (b) 0.031 (c) 0.3 (d) 0.231
  23. 23.7.65 + 1.3 = ? (a) 9.05 (b) 7.78 (c) 8.85 (d) 8.95
  24. 24.2.03 + 7.3 = ? (a) 9.43 (b) 9.23 (c) 2.76 (d) 9.33
  25. 25.4.36 + 6.6 = ? (a) 5.02 (b) 10.96 (c) 11.06 (d) 10.86
  26. 26.What is the value of the digit 9 in 45.692? (a) 9 (b) 0.09 (c) 0.009 (d) 0.9
  27. 27.4.38 + 9.7 = ? (a) 14.08 (b) 14.18 (c) 13.98 (d) 5.35
  28. 28.What is the value of the digit 2 in 89.421? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  29. 29.8.96 + 9.6 = ? (a) 9.92 (b) 18.56 (c) 18.66 (d) 18.46
  30. 30.Which is the greatest: 0.031, 0.53, 0.463, 0.5? (a) 0.031 (b) 0.53 (c) 0.463 (d) 0.5
  31. 31.3.44 + 2.1 = ? (a) 5.64 (b) 3.65 (c) 5.44 (d) 5.54
  32. 32.What is the value of the digit 3 in 93.861? (a) 3 (b) 30 (c) 0.03 (d) 0.3
  33. 33.Which is the greatest: 0.78, 0.065, 0.655, 0.7? (a) 0.78 (b) 0.065 (c) 0.655 (d) 0.7
  34. 34.Which is the smallest: 0.41, 0.339, 0.029, 0.4? (a) 0.41 (b) 0.339 (c) 0.029 (d) 0.4
  35. 35.Which is the greatest: 0.013, 0.133, 0.2, 0.25? (a) 0.013 (b) 0.133 (c) 0.2 (d) 0.25
  36. 36.3.63 + 9.5 = ? (a) 13.03 (b) 4.58 (c) 13.13 (d) 13.23
  37. 37.Which is the greatest: 0.252, 0.31, 0.038, 0.3? (a) 0.252 (b) 0.31 (c) 0.038 (d) 0.3
  38. 38.What is the value of the digit 9 in 23.947? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  39. 39.6.92 + 1.4 = ? (a) 8.22 (b) 8.32 (c) 7.06 (d) 8.42
  40. 40.Which is the greatest: 0.432, 0.5, 0.036, 0.59? (a) 0.432 (b) 0.5 (c) 0.036 (d) 0.59

Answer key

  1. 14.45
  2. 15.21
  3. 0.46
  4. 0.5
  5. 0.62
  6. 4.51
  7. 0.006
  8. 0.08
  9. 0.076
  10. 12.26
  11. 8.27
  12. 0.001
  13. 14.06
  14. 0.26
  15. 0.8
  16. 0.52
  17. 5.65
  18. 0.083
  19. 16.75
  20. 17.13
  21. 6.46
  22. 0.031
  23. 8.95
  24. 9.33
  25. 10.96
  26. 0.09
  27. 14.08
  28. 0.02
  29. 18.56
  30. 0.53
  31. 5.54
  32. 3
  33. 0.78
  34. 0.029
  35. 0.25
  36. 13.13
  37. 0.31
  38. 0.9
  39. 8.32
  40. 0.59

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