← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 608 · 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. 1.5.81 + 7.7 = ? (a) 6.58 (b) 13.61 (c) 13.41 (d) 13.51
  2. 2.Which is the greatest: 0.44, 0.087, 0.365, 0.4? (a) 0.44 (b) 0.087 (c) 0.365 (d) 0.4
  3. 3.6.24 + 3.4 = ? (a) 9.54 (b) 6.58 (c) 9.74 (d) 9.64
  4. 4.8.27 + 2.3 = ? (a) 10.47 (b) 10.67 (c) 8.5 (d) 10.57
  5. 5.What is the value of the digit 1 in 17.543? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  6. 6.Which is the smallest: 0.73, 0.623, 0.7, 0.018? (a) 0.73 (b) 0.623 (c) 0.7 (d) 0.018
  7. 7.Which is the smallest: 0.46, 0.089, 0.378, 0.4? (a) 0.46 (b) 0.089 (c) 0.378 (d) 0.4
  8. 8.5.96 + 8.1 = ? (a) 14.16 (b) 6.77 (c) 13.96 (d) 14.06
  9. 9.7.17 + 3.7 = ? (a) 10.77 (b) 7.54 (c) 10.87 (d) 10.97
  10. 10.Which is the greatest: 0.73, 0.047, 0.7, 0.648? (a) 0.73 (b) 0.047 (c) 0.7 (d) 0.648
  11. 11.What is the value of the digit 9 in 39.246? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  12. 12.5.27 + 5.2 = ? (a) 5.79 (b) 10.57 (c) 10.37 (d) 10.47
  13. 13.What is the value of the digit 7 in 24.357? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  14. 14.3.27 + 2.2 = ? (a) 5.47 (b) 3.49 (c) 5.37 (d) 5.57
  15. 15.What is the value of the digit 5 in 84.253? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  16. 16.Which is the smallest: 0.293, 0.33, 0.3, 0.086? (a) 0.293 (b) 0.33 (c) 0.3 (d) 0.086
  17. 17.What is the value of the digit 7 in 19.763? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  18. 18.Which is the smallest: 0.296, 0.36, 0.035, 0.3? (a) 0.296 (b) 0.36 (c) 0.035 (d) 0.3
  19. 19.2.04 + 6.8 = ? (a) 2.72 (b) 8.84 (c) 8.74 (d) 8.94
  20. 20.3.43 + 6.8 = ? (a) 10.13 (b) 10.33 (c) 10.23 (d) 4.11
  21. 21.Which is the smallest: 0.6, 0.082, 0.68, 0.511? (a) 0.6 (b) 0.082 (c) 0.68 (d) 0.511
  22. 22.Which is the smallest: 0.261, 0.058, 0.35, 0.3? (a) 0.261 (b) 0.058 (c) 0.35 (d) 0.3
  23. 23.9.31 + 8.1 = ? (a) 17.31 (b) 10.12 (c) 17.51 (d) 17.41
  24. 24.Which is the greatest: 0.8, 0.087, 0.798, 0.89? (a) 0.8 (b) 0.087 (c) 0.798 (d) 0.89
  25. 25.Which is the greatest: 0.335, 0.022, 0.43, 0.4? (a) 0.335 (b) 0.022 (c) 0.43 (d) 0.4
  26. 26.5.84 + 4.4 = ? (a) 6.28 (b) 10.14 (c) 10.24 (d) 10.34
  27. 27.Which is the greatest: 0.22, 0.015, 0.154, 0.2? (a) 0.22 (b) 0.015 (c) 0.154 (d) 0.2
  28. 28.Which is the greatest: 0.097, 0.6, 0.62, 0.556? (a) 0.097 (b) 0.6 (c) 0.62 (d) 0.556
  29. 29.5.56 + 9.8 = ? (a) 15.36 (b) 15.46 (c) 15.26 (d) 6.54
  30. 30.What is the value of the digit 2 in 41.829? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  31. 31.What is the value of the digit 3 in 21.483? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  32. 32.What is the value of the digit 9 in 32.941? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  33. 33.What is the value of the digit 5 in 89.537? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  34. 34.Which is the greatest: 0.391, 0.035, 0.4, 0.49? (a) 0.391 (b) 0.035 (c) 0.4 (d) 0.49
  35. 35.5.92 + 4.9 = ? (a) 10.72 (b) 6.41 (c) 10.82 (d) 10.92
  36. 36.6.37 + 7.9 = ? (a) 14.17 (b) 7.16 (c) 14.27 (d) 14.37
  37. 37.6.49 + 1.8 = ? (a) 8.39 (b) 8.19 (c) 6.67 (d) 8.29
  38. 38.1.66 + 4.8 = ? (a) 2.14 (b) 6.56 (c) 6.36 (d) 6.46
  39. 39.What is the value of the digit 3 in 48.973? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  40. 40.What is the value of the digit 1 in 26.851? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001

Answer key

  1. 13.51
  2. 0.44
  3. 9.64
  4. 10.57
  5. 10
  6. 0.018
  7. 0.089
  8. 14.06
  9. 10.87
  10. 0.73
  11. 9
  12. 10.47
  13. 0.007
  14. 5.47
  15. 0.05
  16. 0.086
  17. 0.7
  18. 0.035
  19. 8.84
  20. 10.23
  21. 0.082
  22. 0.058
  23. 17.41
  24. 0.89
  25. 0.43
  26. 10.24
  27. 0.22
  28. 0.62
  29. 15.36
  30. 0.02
  31. 0.003
  32. 0.9
  33. 0.5
  34. 0.49
  35. 10.82
  36. 14.27
  37. 8.29
  38. 6.46
  39. 0.003
  40. 0.001

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