← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 12 · 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. 1.9.06 + 8.7 = ? (a) 17.76 (b) 17.66 (c) 9.93 (d) 17.86
  2. 2.2.47 + 4.3 = ? (a) 2.9 (b) 6.67 (c) 6.77 (d) 6.87
  3. 3.Which is the smallest: 0.746, 0.82, 0.085, 0.8? (a) 0.746 (b) 0.82 (c) 0.085 (d) 0.8
  4. 4.6.53 + 8.4 = ? (a) 15.03 (b) 14.83 (c) 7.37 (d) 14.93
  5. 5.What is the value of the digit 5 in 56.972? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  6. 6.7.29 + 6.1 = ? (a) 13.49 (b) 13.29 (c) 13.39 (d) 7.9
  7. 7.7.91 + 8.2 = ? (a) 16.21 (b) 8.73 (c) 16.01 (d) 16.11
  8. 8.What is the value of the digit 6 in 65.183? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  9. 9.7.84 + 1.3 = ? (a) 7.97 (b) 9.04 (c) 9.24 (d) 9.14
  10. 10.7.77 + 4.6 = ? (a) 12.37 (b) 12.27 (c) 8.23 (d) 12.47
  11. 11.What is the value of the digit 5 in 78.325? (a) 0.05 (b) 0.005 (c) 5 (d) 0.5
  12. 12.What is the value of the digit 7 in 85.731? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  13. 13.Which is the smallest: 0.28, 0.189, 0.2, 0.072? (a) 0.28 (b) 0.189 (c) 0.2 (d) 0.072
  14. 14.2.89 + 8.4 = ? (a) 3.73 (b) 11.39 (c) 11.19 (d) 11.29
  15. 15.1.82 + 4.8 = ? (a) 6.72 (b) 6.52 (c) 6.62 (d) 2.3
  16. 16.Which is the greatest: 0.26, 0.2, 0.052, 0.112? (a) 0.26 (b) 0.2 (c) 0.052 (d) 0.112
  17. 17.What is the value of the digit 5 in 43.195? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  18. 18.Which is the greatest: 0.8, 0.043, 0.768, 0.81? (a) 0.8 (b) 0.043 (c) 0.768 (d) 0.81
  19. 19.Which is the smallest: 0.019, 0.659, 0.74, 0.7? (a) 0.019 (b) 0.659 (c) 0.74 (d) 0.7
  20. 20.Which is the smallest: 0.5, 0.55, 0.496, 0.058? (a) 0.5 (b) 0.55 (c) 0.496 (d) 0.058
  21. 21.What is the value of the digit 2 in 94.762? (a) 0.002 (b) 0.2 (c) 2 (d) 0.02
  22. 22.What is the value of the digit 8 in 56.829? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  23. 23.What is the value of the digit 4 in 62.945? (a) 0.004 (b) 0.4 (c) 0.04 (d) 4
  24. 24.What is the value of the digit 3 in 34.526? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  25. 25.Which is the smallest: 0.038, 0.7, 0.696, 0.76? (a) 0.038 (b) 0.7 (c) 0.696 (d) 0.76
  26. 26.What is the value of the digit 1 in 76.192? (a) 1 (b) 0.1 (c) 0.001 (d) 0.01
  27. 27.3.67 + 5.9 = ? (a) 9.47 (b) 9.57 (c) 9.67 (d) 4.26
  28. 28.2.13 + 4.8 = ? (a) 6.83 (b) 2.61 (c) 6.93 (d) 7.03
  29. 29.1.21 + 1.5 = ? (a) 2.81 (b) 2.61 (c) 1.36 (d) 2.71
  30. 30.What is the value of the digit 9 in 53.197? (a) 0.9 (b) 0.009 (c) 9 (d) 0.09
  31. 31.Which is the greatest: 0.591, 0.6, 0.014, 0.68? (a) 0.591 (b) 0.6 (c) 0.014 (d) 0.68
  32. 32.Which is the greatest: 0.42, 0.4, 0.066, 0.397? (a) 0.42 (b) 0.4 (c) 0.066 (d) 0.397
  33. 33.1.46 + 8.4 = ? (a) 2.3 (b) 9.76 (c) 9.86 (d) 9.96
  34. 34.Which is the smallest: 0.5, 0.047, 0.57, 0.433? (a) 0.5 (b) 0.047 (c) 0.57 (d) 0.433
  35. 35.What is the value of the digit 3 in 32.971? (a) 3 (b) 30 (c) 0.03 (d) 0.3
  36. 36.6.21 + 8.7 = ? (a) 15.01 (b) 14.81 (c) 14.91 (d) 7.08
  37. 37.What is the value of the digit 8 in 64.738? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  38. 38.What is the value of the digit 9 in 38.976? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  39. 39.What is the value of the digit 9 in 85.297? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  40. 40.1.47 + 9.4 = ? (a) 2.41 (b) 10.77 (c) 10.87 (d) 10.97

Answer key

  1. 17.76
  2. 6.77
  3. 0.085
  4. 14.93
  5. 50
  6. 13.39
  7. 16.11
  8. 60
  9. 9.14
  10. 12.37
  11. 0.005
  12. 0.7
  13. 0.072
  14. 11.29
  15. 6.62
  16. 0.26
  17. 0.005
  18. 0.81
  19. 0.019
  20. 0.058
  21. 0.002
  22. 0.8
  23. 0.04
  24. 30
  25. 0.038
  26. 0.1
  27. 9.57
  28. 6.93
  29. 2.71
  30. 0.09
  31. 0.68
  32. 0.42
  33. 9.86
  34. 0.047
  35. 30
  36. 14.91
  37. 0.008
  38. 0.9
  39. 0.09
  40. 10.87

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