← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 166 · 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: 0.23, 0.029, 0.2, 0.135? (a) 0.23 (b) 0.029 (c) 0.2 (d) 0.135
  2. 2.What is the value of the digit 3 in 31.498? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  3. 3.Which is the greatest: 0.083, 0.5, 0.53, 0.432? (a) 0.083 (b) 0.5 (c) 0.53 (d) 0.432
  4. 4.What is the value of the digit 9 in 49.857? (a) 90 (b) 0.09 (c) 9 (d) 0.9
  5. 5.4.94 + 2.5 = ? (a) 5.19 (b) 7.34 (c) 7.44 (d) 7.54
  6. 6.Which is the smallest: 0.39, 0.211, 0.3, 0.045? (a) 0.39 (b) 0.211 (c) 0.3 (d) 0.045
  7. 7.What is the value of the digit 2 in 79.123? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02
  8. 8.What is the value of the digit 9 in 75.239? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  9. 9.Which is the smallest: 0.22, 0.053, 0.113, 0.2? (a) 0.22 (b) 0.053 (c) 0.113 (d) 0.2
  10. 10.Which is the greatest: 0.32, 0.227, 0.3, 0.076? (a) 0.32 (b) 0.227 (c) 0.3 (d) 0.076
  11. 11.8.22 + 6.1 = ? (a) 8.83 (b) 14.32 (c) 14.42 (d) 14.22
  12. 12.What is the value of the digit 8 in 18.539? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  13. 13.9.54 + 2.6 = ? (a) 12.24 (b) 9.8 (c) 12.14 (d) 12.04
  14. 14.What is the value of the digit 2 in 82.691? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  15. 15.2.31 + 9.6 = ? (a) 11.81 (b) 3.27 (c) 12.01 (d) 11.91
  16. 16.What is the value of the digit 5 in 45.892? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  17. 17.9.91 + 4.5 = ? (a) 14.51 (b) 14.31 (c) 14.41 (d) 10.36
  18. 18.2.49 + 2.8 = ? (a) 5.19 (b) 2.77 (c) 5.39 (d) 5.29
  19. 19.Which is the greatest: 0.7, 0.011, 0.687, 0.73? (a) 0.7 (b) 0.011 (c) 0.687 (d) 0.73
  20. 20.What is the value of the digit 1 in 75.136? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  21. 21.7.51 + 3.9 = ? (a) 7.9 (b) 11.41 (c) 11.31 (d) 11.51
  22. 22.Which is the greatest: 0.023, 0.6, 0.69, 0.573? (a) 0.023 (b) 0.6 (c) 0.69 (d) 0.573
  23. 23.What is the value of the digit 9 in 19.365? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  24. 24.Which is the greatest: 0.3, 0.32, 0.038, 0.229? (a) 0.3 (b) 0.32 (c) 0.038 (d) 0.229
  25. 25.3.78 + 2.3 = ? (a) 6.08 (b) 5.98 (c) 6.18 (d) 4.01
  26. 26.3.71 + 9.6 = ? (a) 13.31 (b) 13.41 (c) 13.21 (d) 4.67
  27. 27.What is the value of the digit 3 in 12.357? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  28. 28.What is the value of the digit 6 in 91.276? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  29. 29.3.86 + 2.9 = ? (a) 6.66 (b) 4.15 (c) 6.86 (d) 6.76
  30. 30.2.56 + 9.8 = ? (a) 3.54 (b) 12.36 (c) 12.46 (d) 12.26
  31. 31.4.05 + 6.3 = ? (a) 4.68 (b) 10.45 (c) 10.25 (d) 10.35
  32. 32.What is the value of the digit 9 in 96.457? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  33. 33.1.31 + 4.8 = ? (a) 1.79 (b) 6.11 (c) 6.21 (d) 6.01
  34. 34.Which is the greatest: 0.627, 0.039, 0.77, 0.7? (a) 0.627 (b) 0.039 (c) 0.77 (d) 0.7
  35. 35.6.91 + 2.2 = ? (a) 9.01 (b) 7.13 (c) 9.21 (d) 9.11
  36. 36.Which is the greatest: 0.27, 0.2, 0.048, 0.184? (a) 0.27 (b) 0.2 (c) 0.048 (d) 0.184
  37. 37.Which is the smallest: 0.062, 0.2, 0.27, 0.188? (a) 0.062 (b) 0.2 (c) 0.27 (d) 0.188
  38. 38.4.17 + 3.6 = ? (a) 4.53 (b) 7.77 (c) 7.67 (d) 7.87
  39. 39.Which is the greatest: 0.051, 0.476, 0.58, 0.5? (a) 0.051 (b) 0.476 (c) 0.58 (d) 0.5
  40. 40.What is the value of the digit 6 in 52.167? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006

Answer key

  1. 0.23
  2. 30
  3. 0.53
  4. 9
  5. 7.44
  6. 0.045
  7. 0.02
  8. 0.009
  9. 0.053
  10. 0.32
  11. 14.32
  12. 8
  13. 12.14
  14. 2
  15. 11.91
  16. 5
  17. 14.41
  18. 5.29
  19. 0.73
  20. 0.1
  21. 11.41
  22. 0.69
  23. 9
  24. 0.32
  25. 6.08
  26. 13.31
  27. 0.3
  28. 0.006
  29. 6.76
  30. 12.36
  31. 10.35
  32. 90
  33. 6.11
  34. 0.77
  35. 9.11
  36. 0.27
  37. 0.062
  38. 7.77
  39. 0.58
  40. 0.06

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