← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 807 · 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. 1.2.77 + 8.4 = ? (a) 3.61 (b) 11.27 (c) 11.17 (d) 11.07
  2. 2.What is the value of the digit 9 in 12.497? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  3. 3.Which is the greatest: 0.7, 0.063, 0.72, 0.623? (a) 0.7 (b) 0.063 (c) 0.72 (d) 0.623
  4. 4.8.38 + 7.1 = ? (a) 9.09 (b) 15.58 (c) 15.38 (d) 15.48
  5. 5.7.27 + 5.9 = ? (a) 13.27 (b) 13.07 (c) 7.86 (d) 13.17
  6. 6.5.83 + 1.7 = ? (a) 6 (b) 7.53 (c) 7.63 (d) 7.43
  7. 7.6.35 + 9.6 = ? (a) 16.05 (b) 15.95 (c) 7.31 (d) 15.85
  8. 8.6.61 + 9.9 = ? (a) 16.51 (b) 16.41 (c) 7.6 (d) 16.61
  9. 9.What is the value of the digit 3 in 35.174? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  10. 10.4.69 + 7.1 = ? (a) 11.89 (b) 11.69 (c) 5.4 (d) 11.79
  11. 11.6.92 + 6.1 = ? (a) 13.12 (b) 13.02 (c) 7.53 (d) 12.92
  12. 12.9.08 + 8.7 = ? (a) 9.95 (b) 17.88 (c) 17.78 (d) 17.68
  13. 13.Which is the greatest: 0.2, 0.117, 0.29, 0.011? (a) 0.2 (b) 0.117 (c) 0.29 (d) 0.011
  14. 14.Which is the greatest: 0.092, 0.3, 0.238, 0.39? (a) 0.092 (b) 0.3 (c) 0.238 (d) 0.39
  15. 15.1.74 + 5.9 = ? (a) 2.33 (b) 7.54 (c) 7.64 (d) 7.74
  16. 16.5.41 + 7.4 = ? (a) 12.81 (b) 6.15 (c) 12.91 (d) 12.71
  17. 17.What is the value of the digit 6 in 62.735? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  18. 18.What is the value of the digit 5 in 53.948? (a) 5 (b) 0.05 (c) 0.5 (d) 50
  19. 19.8.33 + 8.9 = ? (a) 17.33 (b) 9.22 (c) 17.23 (d) 17.13
  20. 20.What is the value of the digit 8 in 54.821? (a) 0.008 (b) 0.08 (c) 0.8 (d) 8
  21. 21.Which is the smallest: 0.2, 0.018, 0.26, 0.142? (a) 0.2 (b) 0.018 (c) 0.26 (d) 0.142
  22. 22.9.89 + 8.2 = ? (a) 18.09 (b) 18.19 (c) 10.71 (d) 17.99
  23. 23.Which is the greatest: 0.2, 0.133, 0.095, 0.28? (a) 0.2 (b) 0.133 (c) 0.095 (d) 0.28
  24. 24.4.73 + 2.7 = ? (a) 7.53 (b) 7.33 (c) 7.43 (d) 5
  25. 25.Which is the smallest: 0.3, 0.035, 0.216, 0.35? (a) 0.3 (b) 0.035 (c) 0.216 (d) 0.35
  26. 26.8.09 + 5.1 = ? (a) 13.19 (b) 13.29 (c) 8.6 (d) 13.09
  27. 27.5.66 + 7.9 = ? (a) 13.66 (b) 13.56 (c) 6.45 (d) 13.46
  28. 28.Which is the greatest: 0.88, 0.023, 0.8, 0.794? (a) 0.88 (b) 0.023 (c) 0.8 (d) 0.794
  29. 29.7.38 + 4.7 = ? (a) 7.85 (b) 12.08 (c) 11.98 (d) 12.18
  30. 30.Which is the greatest: 0.132, 0.2, 0.28, 0.044? (a) 0.132 (b) 0.2 (c) 0.28 (d) 0.044
  31. 31.Which is the greatest: 0.5, 0.411, 0.53, 0.046? (a) 0.5 (b) 0.411 (c) 0.53 (d) 0.046
  32. 32.What is the value of the digit 8 in 36.918? (a) 0.8 (b) 0.008 (c) 0.08 (d) 8
  33. 33.6.47 + 8.1 = ? (a) 14.47 (b) 14.67 (c) 7.28 (d) 14.57
  34. 34.Which is the greatest: 0.44, 0.4, 0.034, 0.311? (a) 0.44 (b) 0.4 (c) 0.034 (d) 0.311
  35. 35.8.16 + 8.2 = ? (a) 16.46 (b) 8.98 (c) 16.36 (d) 16.26
  36. 36.Which is the smallest: 0.65, 0.6, 0.022, 0.593? (a) 0.65 (b) 0.6 (c) 0.022 (d) 0.593
  37. 37.9.12 + 4.1 = ? (a) 13.32 (b) 9.53 (c) 13.12 (d) 13.22
  38. 38.What is the value of the digit 8 in 86.219? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  39. 39.8.28 + 1.9 = ? (a) 10.18 (b) 8.47 (c) 10.08 (d) 10.28
  40. 40.Which is the smallest: 0.027, 0.784, 0.82, 0.8? (a) 0.027 (b) 0.784 (c) 0.82 (d) 0.8

Answer key

  1. 11.17
  2. 0.09
  3. 0.72
  4. 15.48
  5. 13.17
  6. 7.53
  7. 15.95
  8. 16.51
  9. 30
  10. 11.79
  11. 13.02
  12. 17.78
  13. 0.29
  14. 0.39
  15. 7.64
  16. 12.81
  17. 60
  18. 50
  19. 17.23
  20. 0.8
  21. 0.018
  22. 18.09
  23. 0.28
  24. 7.43
  25. 0.035
  26. 13.19
  27. 13.56
  28. 0.88
  29. 12.08
  30. 0.28
  31. 0.53
  32. 0.008
  33. 14.57
  34. 0.44
  35. 16.36
  36. 0.022
  37. 13.22
  38. 80
  39. 10.18
  40. 0.027

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