← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 258 · 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 smallest: 0.2, 0.181, 0.21, 0.088? (a) 0.2 (b) 0.181 (c) 0.21 (d) 0.088
  2. 2.9.91 + 8.3 = ? (a) 18.31 (b) 10.74 (c) 18.21 (d) 18.11
  3. 3.5.15 + 3.8 = ? (a) 8.95 (b) 9.05 (c) 8.85 (d) 5.53
  4. 4.Which is the smallest: 0.581, 0.68, 0.091, 0.6? (a) 0.581 (b) 0.68 (c) 0.091 (d) 0.6
  5. 5.What is the value of the digit 3 in 37.689? (a) 30 (b) 3 (c) 0.03 (d) 0.3
  6. 6.Which is the smallest: 0.042, 0.471, 0.5, 0.53? (a) 0.042 (b) 0.471 (c) 0.5 (d) 0.53
  7. 7.What is the value of the digit 6 in 27.861? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  8. 8.1.81 + 9.3 = ? (a) 2.74 (b) 11.11 (c) 11.21 (d) 11.01
  9. 9.Which is the smallest: 0.5, 0.53, 0.418, 0.034? (a) 0.5 (b) 0.53 (c) 0.418 (d) 0.034
  10. 10.Which is the smallest: 0.437, 0.048, 0.5, 0.52? (a) 0.437 (b) 0.048 (c) 0.5 (d) 0.52
  11. 11.Which is the greatest: 0.413, 0.59, 0.5, 0.089? (a) 0.413 (b) 0.59 (c) 0.5 (d) 0.089
  12. 12.What is the value of the digit 1 in 81.245? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  13. 13.Which is the greatest: 0.3, 0.37, 0.082, 0.262? (a) 0.3 (b) 0.37 (c) 0.082 (d) 0.262
  14. 14.6.54 + 3.7 = ? (a) 10.24 (b) 10.14 (c) 6.91 (d) 10.34
  15. 15.What is the value of the digit 9 in 47.891? (a) 0.9 (b) 0.009 (c) 9 (d) 0.09
  16. 16.4.62 + 8.8 = ? (a) 13.52 (b) 13.32 (c) 5.5 (d) 13.42
  17. 17.Which is the smallest: 0.28, 0.111, 0.011, 0.2? (a) 0.28 (b) 0.111 (c) 0.011 (d) 0.2
  18. 18.What is the value of the digit 9 in 93.154? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  19. 19.Which is the greatest: 0.24, 0.055, 0.111, 0.2? (a) 0.24 (b) 0.055 (c) 0.111 (d) 0.2
  20. 20.6.09 + 6.1 = ? (a) 12.19 (b) 12.09 (c) 6.7 (d) 12.29
  21. 21.What is the value of the digit 8 in 18.253? (a) 80 (b) 8 (c) 0.8 (d) 0.08
  22. 22.What is the value of the digit 7 in 73.864? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  23. 23.Which is the greatest: 0.029, 0.3, 0.215, 0.36? (a) 0.029 (b) 0.3 (c) 0.215 (d) 0.36
  24. 24.Which is the smallest: 0.33, 0.043, 0.233, 0.3? (a) 0.33 (b) 0.043 (c) 0.233 (d) 0.3
  25. 25.8.28 + 8.9 = ? (a) 17.08 (b) 17.28 (c) 17.18 (d) 9.17
  26. 26.7.61 + 8.8 = ? (a) 8.49 (b) 16.31 (c) 16.51 (d) 16.41
  27. 27.Which is the greatest: 0.033, 0.5, 0.55, 0.452? (a) 0.033 (b) 0.5 (c) 0.55 (d) 0.452
  28. 28.Which is the smallest: 0.715, 0.89, 0.089, 0.8? (a) 0.715 (b) 0.89 (c) 0.089 (d) 0.8
  29. 29.What is the value of the digit 2 in 63.492? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  30. 30.What is the value of the digit 4 in 91.846? (a) 0.4 (b) 0.004 (c) 4 (d) 0.04
  31. 31.Which is the greatest: 0.514, 0.63, 0.063, 0.6? (a) 0.514 (b) 0.63 (c) 0.063 (d) 0.6
  32. 32.Which is the greatest: 0.85, 0.798, 0.8, 0.063? (a) 0.85 (b) 0.798 (c) 0.8 (d) 0.063
  33. 33.What is the value of the digit 8 in 62.498? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  34. 34.Which is the smallest: 0.789, 0.85, 0.041, 0.8? (a) 0.789 (b) 0.85 (c) 0.041 (d) 0.8
  35. 35.What is the value of the digit 4 in 38.649? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  36. 36.Which is the smallest: 0.72, 0.693, 0.046, 0.7? (a) 0.72 (b) 0.693 (c) 0.046 (d) 0.7
  37. 37.Which is the smallest: 0.058, 0.8, 0.799, 0.86? (a) 0.058 (b) 0.8 (c) 0.799 (d) 0.86
  38. 38.3.14 + 4.6 = ? (a) 7.84 (b) 3.6 (c) 7.74 (d) 7.64
  39. 39.9.67 + 4.1 = ? (a) 13.67 (b) 13.77 (c) 13.87 (d) 10.08
  40. 40.Which is the smallest: 0.4, 0.069, 0.343, 0.41? (a) 0.4 (b) 0.069 (c) 0.343 (d) 0.41

Answer key

  1. 0.088
  2. 18.21
  3. 8.95
  4. 0.091
  5. 30
  6. 0.042
  7. 0.06
  8. 11.11
  9. 0.034
  10. 0.048
  11. 0.59
  12. 1
  13. 0.37
  14. 10.24
  15. 0.09
  16. 13.42
  17. 0.011
  18. 90
  19. 0.24
  20. 12.19
  21. 8
  22. 70
  23. 0.36
  24. 0.043
  25. 17.18
  26. 16.41
  27. 0.55
  28. 0.089
  29. 0.002
  30. 0.04
  31. 0.63
  32. 0.85
  33. 0.008
  34. 0.041
  35. 0.04
  36. 0.046
  37. 0.058
  38. 7.74
  39. 13.77
  40. 0.069

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