← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 40 · 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. 1.3.15 + 5.3 = ? (a) 8.45 (b) 8.35 (c) 8.55 (d) 3.68
  2. 2.9.62 + 8.8 = ? (a) 18.52 (b) 18.42 (c) 18.32 (d) 10.5
  3. 3.What is the value of the digit 2 in 96.128? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  4. 4.9.01 + 4.9 = ? (a) 13.91 (b) 9.5 (c) 13.81 (d) 14.01
  5. 5.4.87 + 2.9 = ? (a) 5.16 (b) 7.87 (c) 7.67 (d) 7.77
  6. 6.Which is the smallest: 0.71, 0.052, 0.664, 0.7? (a) 0.71 (b) 0.052 (c) 0.664 (d) 0.7
  7. 7.9.59 + 7.1 = ? (a) 16.79 (b) 10.3 (c) 16.69 (d) 16.59
  8. 8.9.56 + 4.7 = ? (a) 14.36 (b) 10.03 (c) 14.26 (d) 14.16
  9. 9.9.77 + 1.4 = ? (a) 11.07 (b) 9.91 (c) 11.17 (d) 11.27
  10. 10.Which is the smallest: 0.3, 0.087, 0.227, 0.38? (a) 0.3 (b) 0.087 (c) 0.227 (d) 0.38
  11. 11.What is the value of the digit 3 in 23.974? (a) 0.3 (b) 3 (c) 30 (d) 0.03
  12. 12.7.72 + 5.3 = ? (a) 13.12 (b) 13.02 (c) 8.25 (d) 12.92
  13. 13.4.51 + 6.6 = ? (a) 5.17 (b) 11.11 (c) 11.01 (d) 11.21
  14. 14.Which is the greatest: 0.64, 0.6, 0.544, 0.095? (a) 0.64 (b) 0.6 (c) 0.544 (d) 0.095
  15. 15.What is the value of the digit 5 in 57.462? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  16. 16.9.01 + 2.3 = ? (a) 11.21 (b) 11.31 (c) 9.24 (d) 11.41
  17. 17.What is the value of the digit 6 in 87.621? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  18. 18.What is the value of the digit 9 in 48.159? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  19. 19.What is the value of the digit 9 in 86.953? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  20. 20.2.27 + 6.1 = ? (a) 8.27 (b) 8.37 (c) 8.47 (d) 2.88
  21. 21.What is the value of the digit 4 in 48.165? (a) 0.04 (b) 40 (c) 0.4 (d) 4
  22. 22.5.48 + 2.7 = ? (a) 8.28 (b) 5.75 (c) 8.08 (d) 8.18
  23. 23.What is the value of the digit 1 in 67.213? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  24. 24.What is the value of the digit 4 in 13.948? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  25. 25.9.18 + 3.1 = ? (a) 12.18 (b) 9.49 (c) 12.28 (d) 12.38
  26. 26.3.09 + 8.1 = ? (a) 11.19 (b) 11.09 (c) 3.9 (d) 11.29
  27. 27.What is the value of the digit 3 in 36.427? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  28. 28.Which is the smallest: 0.31, 0.011, 0.234, 0.3? (a) 0.31 (b) 0.011 (c) 0.234 (d) 0.3
  29. 29.What is the value of the digit 2 in 21.394? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  30. 30.What is the value of the digit 3 in 76.134? (a) 0.003 (b) 3 (c) 0.3 (d) 0.03
  31. 31.Which is the greatest: 0.63, 0.586, 0.061, 0.6? (a) 0.63 (b) 0.586 (c) 0.061 (d) 0.6
  32. 32.Which is the greatest: 0.73, 0.7, 0.083, 0.664? (a) 0.73 (b) 0.7 (c) 0.083 (d) 0.664
  33. 33.1.34 + 4.5 = ? (a) 5.74 (b) 5.94 (c) 1.79 (d) 5.84
  34. 34.What is the value of the digit 9 in 89.415? (a) 0.9 (b) 90 (c) 0.09 (d) 9
  35. 35.Which is the greatest: 0.031, 0.764, 0.8, 0.86? (a) 0.031 (b) 0.764 (c) 0.8 (d) 0.86
  36. 36.Which is the greatest: 0.75, 0.7, 0.688, 0.061? (a) 0.75 (b) 0.7 (c) 0.688 (d) 0.061
  37. 37.Which is the smallest: 0.631, 0.021, 0.7, 0.73? (a) 0.631 (b) 0.021 (c) 0.7 (d) 0.73
  38. 38.Which is the smallest: 0.028, 0.3, 0.35, 0.289? (a) 0.028 (b) 0.3 (c) 0.35 (d) 0.289
  39. 39.Which is the greatest: 0.046, 0.71, 0.686, 0.7? (a) 0.046 (b) 0.71 (c) 0.686 (d) 0.7
  40. 40.Which is the greatest: 0.431, 0.039, 0.52, 0.5? (a) 0.431 (b) 0.039 (c) 0.52 (d) 0.5

Answer key

  1. 8.45
  2. 18.42
  3. 0.02
  4. 13.91
  5. 7.77
  6. 0.052
  7. 16.69
  8. 14.26
  9. 11.17
  10. 0.087
  11. 3
  12. 13.02
  13. 11.11
  14. 0.64
  15. 50
  16. 11.31
  17. 0.6
  18. 0.009
  19. 0.9
  20. 8.37
  21. 40
  22. 8.18
  23. 0.01
  24. 0.04
  25. 12.28
  26. 11.19
  27. 30
  28. 0.011
  29. 20
  30. 0.03
  31. 0.63
  32. 0.73
  33. 5.84
  34. 9
  35. 0.86
  36. 0.75
  37. 0.021
  38. 0.028
  39. 0.71
  40. 0.52

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