← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 690 · 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. 1.9.03 + 6.1 = ? (a) 15.23 (b) 15.13 (c) 9.64 (d) 15.03
  2. 2.Which is the greatest: 0.064, 0.75, 0.621, 0.7? (a) 0.064 (b) 0.75 (c) 0.621 (d) 0.7
  3. 3.Which is the greatest: 0.6, 0.67, 0.531, 0.053? (a) 0.6 (b) 0.67 (c) 0.531 (d) 0.053
  4. 4.8.55 + 2.4 = ? (a) 11.05 (b) 10.95 (c) 8.79 (d) 10.85
  5. 5.5.77 + 5.6 = ? (a) 11.47 (b) 11.37 (c) 6.33 (d) 11.27
  6. 6.3.41 + 9.7 = ? (a) 13.01 (b) 13.21 (c) 13.11 (d) 4.38
  7. 7.Which is the greatest: 0.331, 0.4, 0.47, 0.036? (a) 0.331 (b) 0.4 (c) 0.47 (d) 0.036
  8. 8.What is the value of the digit 5 in 82.145? (a) 0.05 (b) 0.005 (c) 5 (d) 0.5
  9. 9.1.23 + 7.4 = ? (a) 8.53 (b) 1.97 (c) 8.73 (d) 8.63
  10. 10.Which is the smallest: 0.411, 0.5, 0.012, 0.57? (a) 0.411 (b) 0.5 (c) 0.012 (d) 0.57
  11. 11.7.57 + 8.8 = ? (a) 16.47 (b) 16.27 (c) 8.45 (d) 16.37
  12. 12.What is the value of the digit 9 in 61.983? (a) 0.9 (b) 0.09 (c) 9 (d) 0.009
  13. 13.3.84 + 2.3 = ? (a) 6.24 (b) 6.04 (c) 6.14 (d) 4.07
  14. 14.Which is the greatest: 0.6, 0.583, 0.062, 0.67? (a) 0.6 (b) 0.583 (c) 0.062 (d) 0.67
  15. 15.3.52 + 8.5 = ? (a) 11.92 (b) 12.12 (c) 4.37 (d) 12.02
  16. 16.3.83 + 4.6 = ? (a) 4.29 (b) 8.53 (c) 8.33 (d) 8.43
  17. 17.Which is the smallest: 0.766, 0.85, 0.016, 0.8? (a) 0.766 (b) 0.85 (c) 0.016 (d) 0.8
  18. 18.Which is the smallest: 0.6, 0.62, 0.563, 0.028? (a) 0.6 (b) 0.62 (c) 0.563 (d) 0.028
  19. 19.5.27 + 2.9 = ? (a) 8.07 (b) 8.17 (c) 8.27 (d) 5.56
  20. 20.2.39 + 3.6 = ? (a) 5.99 (b) 5.89 (c) 2.75 (d) 6.09
  21. 21.Which is the smallest: 0.5, 0.417, 0.052, 0.51? (a) 0.5 (b) 0.417 (c) 0.052 (d) 0.51
  22. 22.5.16 + 5.4 = ? (a) 10.56 (b) 10.46 (c) 10.66 (d) 5.7
  23. 23.Which is the greatest: 0.053, 0.2, 0.23, 0.123? (a) 0.053 (b) 0.2 (c) 0.23 (d) 0.123
  24. 24.1.61 + 2.6 = ? (a) 4.11 (b) 4.21 (c) 4.31 (d) 1.87
  25. 25.6.52 + 1.3 = ? (a) 7.82 (b) 6.65 (c) 7.72 (d) 7.92
  26. 26.5.86 + 2.6 = ? (a) 6.12 (b) 8.36 (c) 8.56 (d) 8.46
  27. 27.What is the value of the digit 8 in 28.617? (a) 8 (b) 0.8 (c) 80 (d) 0.08
  28. 28.What is the value of the digit 6 in 21.963? (a) 0.6 (b) 0.06 (c) 6 (d) 0.006
  29. 29.What is the value of the digit 5 in 85.743? (a) 0.05 (b) 0.5 (c) 5 (d) 50
  30. 30.7.95 + 4.4 = ? (a) 8.39 (b) 12.35 (c) 12.45 (d) 12.25
  31. 31.What is the value of the digit 4 in 84.396? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  32. 32.What is the value of the digit 4 in 96.754? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  33. 33.What is the value of the digit 6 in 13.647? (a) 0.006 (b) 0.6 (c) 0.06 (d) 6
  34. 34.3.22 + 7.9 = ? (a) 11.12 (b) 11.02 (c) 11.22 (d) 4.01
  35. 35.Which is the greatest: 0.5, 0.022, 0.58, 0.447? (a) 0.5 (b) 0.022 (c) 0.58 (d) 0.447
  36. 36.What is the value of the digit 6 in 36.184? (a) 6 (b) 0.6 (c) 0.06 (d) 60
  37. 37.5.61 + 6.1 = ? (a) 11.81 (b) 6.22 (c) 11.71 (d) 11.61
  38. 38.What is the value of the digit 3 in 31.692? (a) 0.03 (b) 30 (c) 0.3 (d) 3
  39. 39.3.35 + 8.1 = ? (a) 4.16 (b) 11.35 (c) 11.55 (d) 11.45
  40. 40.3.11 + 7.9 = ? (a) 11.01 (b) 11.11 (c) 10.91 (d) 3.9

Answer key

  1. 15.13
  2. 0.75
  3. 0.67
  4. 10.95
  5. 11.37
  6. 13.11
  7. 0.47
  8. 0.005
  9. 8.63
  10. 0.012
  11. 16.37
  12. 0.9
  13. 6.14
  14. 0.67
  15. 12.02
  16. 8.43
  17. 0.016
  18. 0.028
  19. 8.17
  20. 5.99
  21. 0.052
  22. 10.56
  23. 0.23
  24. 4.21
  25. 7.82
  26. 8.46
  27. 8
  28. 0.06
  29. 5
  30. 12.35
  31. 4
  32. 0.004
  33. 0.6
  34. 11.12
  35. 0.58
  36. 6
  37. 11.71
  38. 30
  39. 11.45
  40. 11.01

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