← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 618 · 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: 0.63, 0.544, 0.6, 0.036? (a) 0.63 (b) 0.544 (c) 0.6 (d) 0.036
  2. 2.1.09 + 6.5 = ? (a) 7.59 (b) 1.74 (c) 7.69 (d) 7.49
  3. 3.2.85 + 2.6 = ? (a) 3.11 (b) 5.55 (c) 5.35 (d) 5.45
  4. 4.Which is the greatest: 0.37, 0.077, 0.3, 0.271? (a) 0.37 (b) 0.077 (c) 0.3 (d) 0.271
  5. 5.What is the value of the digit 6 in 46.579? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  6. 6.What is the value of the digit 3 in 13.426? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  7. 7.5.39 + 1.1 = ? (a) 6.59 (b) 6.39 (c) 6.49 (d) 5.5
  8. 8.3.66 + 7.1 = ? (a) 10.66 (b) 4.37 (c) 10.86 (d) 10.76
  9. 9.Which is the greatest: 0.087, 0.3, 0.276, 0.32? (a) 0.087 (b) 0.3 (c) 0.276 (d) 0.32
  10. 10.What is the value of the digit 3 in 26.734? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  11. 11.4.35 + 4.2 = ? (a) 8.55 (b) 8.65 (c) 8.45 (d) 4.77
  12. 12.What is the value of the digit 1 in 62.318? (a) 1 (b) 0.1 (c) 0.001 (d) 0.01
  13. 13.Which is the greatest: 0.64, 0.6, 0.555, 0.052? (a) 0.64 (b) 0.6 (c) 0.555 (d) 0.052
  14. 14.What is the value of the digit 3 in 68.321? (a) 3 (b) 0.03 (c) 0.3 (d) 0.003
  15. 15.Which is the smallest: 0.29, 0.171, 0.2, 0.066? (a) 0.29 (b) 0.171 (c) 0.2 (d) 0.066
  16. 16.Which is the greatest: 0.142, 0.2, 0.26, 0.088? (a) 0.142 (b) 0.2 (c) 0.26 (d) 0.088
  17. 17.4.63 + 1.5 = ? (a) 6.13 (b) 6.23 (c) 4.78 (d) 6.03
  18. 18.Which is the smallest: 0.013, 0.5, 0.416, 0.51? (a) 0.013 (b) 0.5 (c) 0.416 (d) 0.51
  19. 19.7.73 + 3.7 = ? (a) 8.1 (b) 11.53 (c) 11.33 (d) 11.43
  20. 20.1.67 + 4.4 = ? (a) 2.11 (b) 6.17 (c) 6.07 (d) 5.97
  21. 21.Which is the greatest: 0.087, 0.5, 0.58, 0.461? (a) 0.087 (b) 0.5 (c) 0.58 (d) 0.461
  22. 22.What is the value of the digit 8 in 87.364? (a) 8 (b) 0.8 (c) 0.08 (d) 80
  23. 23.Which is the smallest: 0.6, 0.62, 0.017, 0.525? (a) 0.6 (b) 0.62 (c) 0.017 (d) 0.525
  24. 24.Which is the greatest: 0.254, 0.3, 0.092, 0.32? (a) 0.254 (b) 0.3 (c) 0.092 (d) 0.32
  25. 25.5.71 + 9.4 = ? (a) 6.65 (b) 15.01 (c) 15.11 (d) 15.21
  26. 26.9.29 + 9.4 = ? (a) 18.59 (b) 10.23 (c) 18.79 (d) 18.69
  27. 27.Which is the greatest: 0.7, 0.612, 0.71, 0.054? (a) 0.7 (b) 0.612 (c) 0.71 (d) 0.054
  28. 28.4.36 + 2.4 = ? (a) 6.86 (b) 6.76 (c) 6.66 (d) 4.6
  29. 29.Which is the smallest: 0.286, 0.065, 0.3, 0.32? (a) 0.286 (b) 0.065 (c) 0.3 (d) 0.32
  30. 30.1.77 + 2.5 = ? (a) 4.27 (b) 4.17 (c) 4.37 (d) 2.02
  31. 31.Which is the greatest: 0.018, 0.795, 0.89, 0.8? (a) 0.018 (b) 0.795 (c) 0.89 (d) 0.8
  32. 32.5.48 + 1.9 = ? (a) 7.28 (b) 5.67 (c) 7.38 (d) 7.48
  33. 33.7.15 + 4.7 = ? (a) 11.95 (b) 7.62 (c) 11.75 (d) 11.85
  34. 34.1.13 + 8.8 = ? (a) 9.93 (b) 2.01 (c) 10.03 (d) 9.83
  35. 35.Which is the greatest: 0.29, 0.171, 0.088, 0.2? (a) 0.29 (b) 0.171 (c) 0.088 (d) 0.2
  36. 36.9.21 + 9.4 = ? (a) 18.71 (b) 10.15 (c) 18.51 (d) 18.61
  37. 37.What is the value of the digit 2 in 25.638? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  38. 38.4.31 + 4.9 = ? (a) 4.8 (b) 9.11 (c) 9.21 (d) 9.31
  39. 39.4.68 + 2.9 = ? (a) 7.48 (b) 4.97 (c) 7.58 (d) 7.68
  40. 40.8.56 + 4.1 = ? (a) 8.97 (b) 12.76 (c) 12.56 (d) 12.66

Answer key

  1. 0.63
  2. 7.59
  3. 5.45
  4. 0.37
  5. 6
  6. 3
  7. 6.49
  8. 10.76
  9. 0.32
  10. 0.03
  11. 8.55
  12. 0.01
  13. 0.64
  14. 0.3
  15. 0.066
  16. 0.26
  17. 6.13
  18. 0.013
  19. 11.43
  20. 6.07
  21. 0.58
  22. 80
  23. 0.017
  24. 0.32
  25. 15.11
  26. 18.69
  27. 0.71
  28. 6.76
  29. 0.065
  30. 4.27
  31. 0.89
  32. 7.38
  33. 11.85
  34. 9.93
  35. 0.29
  36. 18.61
  37. 20
  38. 9.21
  39. 7.58
  40. 12.66

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