← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 647 · 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.What is the value of the digit 6 in 21.746? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  2. 2.Which is the greatest: 0.089, 0.427, 0.5, 0.51? (a) 0.089 (b) 0.427 (c) 0.5 (d) 0.51
  3. 3.3.43 + 4.2 = ? (a) 3.85 (b) 7.73 (c) 7.53 (d) 7.63
  4. 4.Which is the smallest: 0.017, 0.67, 0.532, 0.6? (a) 0.017 (b) 0.67 (c) 0.532 (d) 0.6
  5. 5.9.14 + 1.6 = ? (a) 10.84 (b) 10.64 (c) 9.3 (d) 10.74
  6. 6.What is the value of the digit 5 in 95.138? (a) 5 (b) 0.05 (c) 0.5 (d) 50
  7. 7.5.06 + 9.9 = ? (a) 6.05 (b) 14.86 (c) 14.96 (d) 15.06
  8. 8.What is the value of the digit 7 in 32.745? (a) 0.07 (b) 7 (c) 0.7 (d) 0.007
  9. 9.8.91 + 2.3 = ? (a) 11.11 (b) 11.21 (c) 11.31 (d) 9.14
  10. 10.7.95 + 3.4 = ? (a) 8.29 (b) 11.35 (c) 11.25 (d) 11.45
  11. 11.6.89 + 2.4 = ? (a) 9.29 (b) 9.39 (c) 7.13 (d) 9.19
  12. 12.Which is the greatest: 0.21, 0.018, 0.162, 0.2? (a) 0.21 (b) 0.018 (c) 0.162 (d) 0.2
  13. 13.Which is the greatest: 0.74, 0.044, 0.7, 0.657? (a) 0.74 (b) 0.044 (c) 0.7 (d) 0.657
  14. 14.What is the value of the digit 5 in 56.938? (a) 0.5 (b) 0.05 (c) 50 (d) 5
  15. 15.What is the value of the digit 3 in 73.125? (a) 3 (b) 0.3 (c) 30 (d) 0.03
  16. 16.2.06 + 3.9 = ? (a) 2.45 (b) 6.06 (c) 5.86 (d) 5.96
  17. 17.Which is the greatest: 0.7, 0.74, 0.014, 0.675? (a) 0.7 (b) 0.74 (c) 0.014 (d) 0.675
  18. 18.4.36 + 9.1 = ? (a) 13.56 (b) 13.46 (c) 13.36 (d) 5.27
  19. 19.Which is the smallest: 0.291, 0.3, 0.38, 0.054? (a) 0.291 (b) 0.3 (c) 0.38 (d) 0.054
  20. 20.What is the value of the digit 5 in 63.154? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  21. 21.Which is the greatest: 0.081, 0.47, 0.344, 0.4? (a) 0.081 (b) 0.47 (c) 0.344 (d) 0.4
  22. 22.Which is the greatest: 0.013, 0.32, 0.296, 0.3? (a) 0.013 (b) 0.32 (c) 0.296 (d) 0.3
  23. 23.What is the value of the digit 3 in 13.458? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  24. 24.Which is the greatest: 0.077, 0.37, 0.292, 0.3? (a) 0.077 (b) 0.37 (c) 0.292 (d) 0.3
  25. 25.What is the value of the digit 4 in 14.897? (a) 0.4 (b) 0.04 (c) 40 (d) 4
  26. 26.What is the value of the digit 3 in 93.467? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  27. 27.Which is the greatest: 0.057, 0.234, 0.31, 0.3? (a) 0.057 (b) 0.234 (c) 0.31 (d) 0.3
  28. 28.5.21 + 4.7 = ? (a) 5.68 (b) 10.01 (c) 9.91 (d) 9.81
  29. 29.What is the value of the digit 2 in 41.682? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  30. 30.2.56 + 6.7 = ? (a) 9.26 (b) 9.36 (c) 9.16 (d) 3.23
  31. 31.1.51 + 7.6 = ? (a) 2.27 (b) 9.01 (c) 9.21 (d) 9.11
  32. 32.7.38 + 3.4 = ? (a) 10.68 (b) 7.72 (c) 10.88 (d) 10.78
  33. 33.What is the value of the digit 2 in 74.132? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  34. 34.3.82 + 7.8 = ? (a) 11.52 (b) 4.6 (c) 11.72 (d) 11.62
  35. 35.What is the value of the digit 4 in 28.469? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  36. 36.3.93 + 6.9 = ? (a) 4.62 (b) 10.83 (c) 10.73 (d) 10.93
  37. 37.Which is the smallest: 0.038, 0.149, 0.22, 0.2? (a) 0.038 (b) 0.149 (c) 0.22 (d) 0.2
  38. 38.What is the value of the digit 8 in 18.763? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  39. 39.1.27 + 8.1 = ? (a) 9.37 (b) 9.47 (c) 9.27 (d) 2.08
  40. 40.8.24 + 7.3 = ? (a) 15.44 (b) 15.64 (c) 15.54 (d) 8.97

Answer key

  1. 0.006
  2. 0.51
  3. 7.63
  4. 0.017
  5. 10.74
  6. 5
  7. 14.96
  8. 0.7
  9. 11.21
  10. 11.35
  11. 9.29
  12. 0.21
  13. 0.74
  14. 50
  15. 3
  16. 5.96
  17. 0.74
  18. 13.46
  19. 0.054
  20. 0.05
  21. 0.47
  22. 0.32
  23. 3
  24. 0.37
  25. 4
  26. 3
  27. 0.31
  28. 9.91
  29. 0.002
  30. 9.26
  31. 9.11
  32. 10.78
  33. 0.002
  34. 11.62
  35. 0.4
  36. 10.83
  37. 0.038
  38. 8
  39. 9.37
  40. 15.54

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