← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 437 · 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: 0.8, 0.84, 0.031, 0.781? (a) 0.8 (b) 0.84 (c) 0.031 (d) 0.781
  2. 2.5.03 + 3.2 = ? (a) 5.35 (b) 8.13 (c) 8.23 (d) 8.33
  3. 3.Which is the smallest: 0.732, 0.8, 0.89, 0.066? (a) 0.732 (b) 0.8 (c) 0.89 (d) 0.066
  4. 4.3.99 + 9.7 = ? (a) 13.79 (b) 13.59 (c) 4.96 (d) 13.69
  5. 5.Which is the smallest: 0.059, 0.68, 0.563, 0.6? (a) 0.059 (b) 0.68 (c) 0.563 (d) 0.6
  6. 6.What is the value of the digit 1 in 89.154? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  7. 7.Which is the greatest: 0.3, 0.285, 0.058, 0.31? (a) 0.3 (b) 0.285 (c) 0.058 (d) 0.31
  8. 8.8.51 + 8.2 = ? (a) 16.61 (b) 16.81 (c) 9.33 (d) 16.71
  9. 9.Which is the greatest: 0.732, 0.035, 0.8, 0.85? (a) 0.732 (b) 0.035 (c) 0.8 (d) 0.85
  10. 10.1.49 + 2.5 = ? (a) 3.99 (b) 3.89 (c) 4.09 (d) 1.74
  11. 11.9.86 + 1.9 = ? (a) 11.76 (b) 10.05 (c) 11.86 (d) 11.66
  12. 12.1.31 + 6.6 = ? (a) 1.97 (b) 7.81 (c) 8.01 (d) 7.91
  13. 13.What is the value of the digit 1 in 13.946? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  14. 14.9.45 + 5.2 = ? (a) 14.65 (b) 14.55 (c) 14.75 (d) 9.97
  15. 15.What is the value of the digit 9 in 49.287? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  16. 16.What is the value of the digit 4 in 74.213? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  17. 17.2.42 + 1.3 = ? (a) 3.82 (b) 3.62 (c) 3.72 (d) 2.55
  18. 18.7.55 + 4.9 = ? (a) 12.35 (b) 12.55 (c) 8.04 (d) 12.45
  19. 19.What is the value of the digit 4 in 45.763? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  20. 20.Which is the smallest: 0.052, 0.33, 0.3, 0.255? (a) 0.052 (b) 0.33 (c) 0.3 (d) 0.255
  21. 21.What is the value of the digit 4 in 23.148? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  22. 22.3.07 + 7.1 = ? (a) 10.17 (b) 3.78 (c) 10.27 (d) 10.07
  23. 23.8.39 + 5.7 = ? (a) 14.09 (b) 14.19 (c) 13.99 (d) 8.96
  24. 24.4.41 + 2.7 = ? (a) 7.21 (b) 4.68 (c) 7.01 (d) 7.11
  25. 25.What is the value of the digit 2 in 23.745? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  26. 26.Which is the greatest: 0.029, 0.44, 0.4, 0.337? (a) 0.029 (b) 0.44 (c) 0.4 (d) 0.337
  27. 27.9.93 + 3.8 = ? (a) 13.63 (b) 10.31 (c) 13.83 (d) 13.73
  28. 28.6.65 + 2.2 = ? (a) 6.87 (b) 8.75 (c) 8.85 (d) 8.95
  29. 29.4.97 + 5.6 = ? (a) 10.47 (b) 5.53 (c) 10.57 (d) 10.67
  30. 30.Which is the greatest: 0.129, 0.2, 0.21, 0.091? (a) 0.129 (b) 0.2 (c) 0.21 (d) 0.091
  31. 31.Which is the smallest: 0.423, 0.57, 0.012, 0.5? (a) 0.423 (b) 0.57 (c) 0.012 (d) 0.5
  32. 32.Which is the smallest: 0.6, 0.65, 0.058, 0.526? (a) 0.6 (b) 0.65 (c) 0.058 (d) 0.526
  33. 33.Which is the smallest: 0.332, 0.49, 0.038, 0.4? (a) 0.332 (b) 0.49 (c) 0.038 (d) 0.4
  34. 34.Which is the greatest: 0.229, 0.32, 0.3, 0.032? (a) 0.229 (b) 0.32 (c) 0.3 (d) 0.032
  35. 35.What is the value of the digit 1 in 61.295? (a) 1 (b) 0.01 (c) 0.1 (d) 10
  36. 36.Which is the smallest: 0.35, 0.255, 0.091, 0.3? (a) 0.35 (b) 0.255 (c) 0.091 (d) 0.3
  37. 37.2.27 + 4.2 = ? (a) 2.69 (b) 6.47 (c) 6.37 (d) 6.57
  38. 38.What is the value of the digit 5 in 61.584? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  39. 39.What is the value of the digit 5 in 85.179? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  40. 40.What is the value of the digit 2 in 12.364? (a) 0.02 (b) 0.2 (c) 20 (d) 2

Answer key

  1. 0.031
  2. 8.23
  3. 0.066
  4. 13.69
  5. 0.059
  6. 0.1
  7. 0.31
  8. 16.71
  9. 0.85
  10. 3.99
  11. 11.76
  12. 7.91
  13. 10
  14. 14.65
  15. 9
  16. 4
  17. 3.72
  18. 12.45
  19. 40
  20. 0.052
  21. 0.04
  22. 10.17
  23. 14.09
  24. 7.11
  25. 20
  26. 0.44
  27. 13.73
  28. 8.85
  29. 10.57
  30. 0.21
  31. 0.012
  32. 0.058
  33. 0.038
  34. 0.32
  35. 1
  36. 0.091
  37. 6.47
  38. 0.5
  39. 5
  40. 2

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