← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 878 · 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. 1.7.31 + 8.1 = ? (a) 15.31 (b) 15.51 (c) 15.41 (d) 8.12
  2. 2.What is the value of the digit 6 in 17.642? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  3. 3.Which is the smallest: 0.66, 0.6, 0.043, 0.571? (a) 0.66 (b) 0.6 (c) 0.043 (d) 0.571
  4. 4.4.23 + 2.4 = ? (a) 4.47 (b) 6.53 (c) 6.63 (d) 6.73
  5. 5.What is the value of the digit 5 in 85.716? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  6. 6.What is the value of the digit 8 in 34.812? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  7. 7.Which is the greatest: 0.199, 0.2, 0.049, 0.21? (a) 0.199 (b) 0.2 (c) 0.049 (d) 0.21
  8. 8.4.38 + 9.5 = ? (a) 13.88 (b) 13.78 (c) 5.33 (d) 13.98
  9. 9.5.93 + 8.4 = ? (a) 14.43 (b) 6.77 (c) 14.23 (d) 14.33
  10. 10.What is the value of the digit 4 in 32.486? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  11. 11.Which is the greatest: 0.046, 0.6, 0.69, 0.592? (a) 0.046 (b) 0.6 (c) 0.69 (d) 0.592
  12. 12.1.09 + 4.4 = ? (a) 5.59 (b) 5.39 (c) 5.49 (d) 1.53
  13. 13.9.56 + 3.4 = ? (a) 12.96 (b) 13.06 (c) 9.9 (d) 12.86
  14. 14.What is the value of the digit 3 in 92.537? (a) 0.03 (b) 3 (c) 0.003 (d) 0.3
  15. 15.Which is the smallest: 0.659, 0.71, 0.7, 0.033? (a) 0.659 (b) 0.71 (c) 0.7 (d) 0.033
  16. 16.What is the value of the digit 2 in 92.186? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  17. 17.1.83 + 2.7 = ? (a) 4.63 (b) 4.43 (c) 4.53 (d) 2.1
  18. 18.What is the value of the digit 7 in 79.431? (a) 70 (b) 0.7 (c) 7 (d) 0.07
  19. 19.What is the value of the digit 3 in 38.962? (a) 30 (b) 3 (c) 0.03 (d) 0.3
  20. 20.Which is the greatest: 0.31, 0.291, 0.088, 0.3? (a) 0.31 (b) 0.291 (c) 0.088 (d) 0.3
  21. 21.1.11 + 2.9 = ? (a) 1.4 (b) 3.91 (c) 4.01 (d) 4.11
  22. 22.What is the value of the digit 7 in 67.954? (a) 7 (b) 0.7 (c) 0.07 (d) 70
  23. 23.Which is the greatest: 0.8, 0.82, 0.738, 0.016? (a) 0.8 (b) 0.82 (c) 0.738 (d) 0.016
  24. 24.Which is the smallest: 0.3, 0.063, 0.33, 0.269? (a) 0.3 (b) 0.063 (c) 0.33 (d) 0.269
  25. 25.9.81 + 5.3 = ? (a) 15.01 (b) 15.21 (c) 10.34 (d) 15.11
  26. 26.7.02 + 3.1 = ? (a) 7.33 (b) 10.02 (c) 10.12 (d) 10.22
  27. 27.4.25 + 5.6 = ? (a) 9.85 (b) 9.75 (c) 4.81 (d) 9.95
  28. 28.What is the value of the digit 9 in 58.149? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  29. 29.7.03 + 8.5 = ? (a) 7.88 (b) 15.53 (c) 15.43 (d) 15.63
  30. 30.Which is the smallest: 0.168, 0.27, 0.053, 0.2? (a) 0.168 (b) 0.27 (c) 0.053 (d) 0.2
  31. 31.What is the value of the digit 1 in 37.814? (a) 0.1 (b) 0.01 (c) 0.001 (d) 1
  32. 32.Which is the smallest: 0.35, 0.034, 0.282, 0.3? (a) 0.35 (b) 0.034 (c) 0.282 (d) 0.3
  33. 33.What is the value of the digit 1 in 14.329? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  34. 34.What is the value of the digit 4 in 45.913? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  35. 35.Which is the smallest: 0.8, 0.749, 0.099, 0.81? (a) 0.8 (b) 0.749 (c) 0.099 (d) 0.81
  36. 36.What is the value of the digit 9 in 73.149? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  37. 37.Which is the greatest: 0.634, 0.7, 0.061, 0.75? (a) 0.634 (b) 0.7 (c) 0.061 (d) 0.75
  38. 38.Which is the smallest: 0.619, 0.065, 0.76, 0.7? (a) 0.619 (b) 0.065 (c) 0.76 (d) 0.7
  39. 39.Which is the greatest: 0.281, 0.39, 0.3, 0.023? (a) 0.281 (b) 0.39 (c) 0.3 (d) 0.023
  40. 40.7.55 + 3.6 = ? (a) 7.91 (b) 11.25 (c) 11.15 (d) 11.05

Answer key

  1. 15.41
  2. 0.6
  3. 0.043
  4. 6.63
  5. 5
  6. 0.8
  7. 0.21
  8. 13.88
  9. 14.33
  10. 0.4
  11. 0.69
  12. 5.49
  13. 12.96
  14. 0.03
  15. 0.033
  16. 2
  17. 4.53
  18. 70
  19. 30
  20. 0.31
  21. 4.01
  22. 7
  23. 0.82
  24. 0.063
  25. 15.11
  26. 10.12
  27. 9.85
  28. 0.009
  29. 15.53
  30. 0.053
  31. 0.01
  32. 0.034
  33. 10
  34. 40
  35. 0.099
  36. 0.009
  37. 0.75
  38. 0.065
  39. 0.39
  40. 11.15

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