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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 658 · 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.Which is the smallest: 0.361, 0.4, 0.044, 0.46? (a) 0.361 (b) 0.4 (c) 0.044 (d) 0.46
  2. 2.What is the value of the digit 6 in 83.261? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  3. 3.Which is the greatest: 0.078, 0.2, 0.161, 0.25? (a) 0.078 (b) 0.2 (c) 0.161 (d) 0.25
  4. 4.8.55 + 6.1 = ? (a) 14.65 (b) 14.55 (c) 14.75 (d) 9.16
  5. 5.2.11 + 2.7 = ? (a) 2.38 (b) 4.81 (c) 4.91 (d) 4.71
  6. 6.4.06 + 3.1 = ? (a) 4.37 (b) 7.06 (c) 7.16 (d) 7.26
  7. 7.8.14 + 2.1 = ? (a) 8.35 (b) 10.34 (c) 10.24 (d) 10.14
  8. 8.What is the value of the digit 5 in 17.325? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  9. 9.What is the value of the digit 7 in 73.561? (a) 70 (b) 0.07 (c) 0.7 (d) 7
  10. 10.Which is the greatest: 0.39, 0.093, 0.288, 0.3? (a) 0.39 (b) 0.093 (c) 0.288 (d) 0.3
  11. 11.What is the value of the digit 6 in 48.671? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  12. 12.3.55 + 9.1 = ? (a) 4.46 (b) 12.65 (c) 12.55 (d) 12.75
  13. 13.What is the value of the digit 1 in 92.781? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  14. 14.What is the value of the digit 6 in 24.156? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  15. 15.What is the value of the digit 3 in 83.941? (a) 30 (b) 0.03 (c) 0.3 (d) 3
  16. 16.3.78 + 6.1 = ? (a) 4.39 (b) 9.88 (c) 9.78 (d) 9.98
  17. 17.What is the value of the digit 2 in 75.236? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  18. 18.What is the value of the digit 2 in 26.513? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  19. 19.Which is the smallest: 0.88, 0.8, 0.028, 0.761? (a) 0.88 (b) 0.8 (c) 0.028 (d) 0.761
  20. 20.3.41 + 8.5 = ? (a) 4.26 (b) 12.01 (c) 11.81 (d) 11.91
  21. 21.Which is the greatest: 0.46, 0.093, 0.314, 0.4? (a) 0.46 (b) 0.093 (c) 0.314 (d) 0.4
  22. 22.What is the value of the digit 2 in 67.412? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  23. 23.3.96 + 7.2 = ? (a) 11.26 (b) 11.16 (c) 11.06 (d) 4.68
  24. 24.Which is the greatest: 0.421, 0.57, 0.5, 0.098? (a) 0.421 (b) 0.57 (c) 0.5 (d) 0.098
  25. 25.What is the value of the digit 5 in 17.253? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  26. 26.Which is the smallest: 0.473, 0.5, 0.081, 0.56? (a) 0.473 (b) 0.5 (c) 0.081 (d) 0.56
  27. 27.What is the value of the digit 7 in 73.564? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  28. 28.4.93 + 3.3 = ? (a) 8.23 (b) 8.13 (c) 8.33 (d) 5.26
  29. 29.What is the value of the digit 4 in 16.784? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  30. 30.What is the value of the digit 6 in 57.863? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  31. 31.What is the value of the digit 2 in 28.691? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  32. 32.Which is the smallest: 0.66, 0.014, 0.587, 0.6? (a) 0.66 (b) 0.014 (c) 0.587 (d) 0.6
  33. 33.1.47 + 2.2 = ? (a) 3.57 (b) 3.77 (c) 3.67 (d) 1.69
  34. 34.Which is the smallest: 0.51, 0.013, 0.464, 0.5? (a) 0.51 (b) 0.013 (c) 0.464 (d) 0.5
  35. 35.What is the value of the digit 1 in 42.173? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  36. 36.What is the value of the digit 5 in 65.289? (a) 50 (b) 0.05 (c) 5 (d) 0.5
  37. 37.Which is the smallest: 0.614, 0.7, 0.066, 0.72? (a) 0.614 (b) 0.7 (c) 0.066 (d) 0.72
  38. 38.What is the value of the digit 8 in 87.365? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  39. 39.Which is the smallest: 0.286, 0.3, 0.36, 0.035? (a) 0.286 (b) 0.3 (c) 0.36 (d) 0.035
  40. 40.What is the value of the digit 8 in 27.683? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08

Answer key

  1. 0.044
  2. 0.06
  3. 0.25
  4. 14.65
  5. 4.81
  6. 7.16
  7. 10.24
  8. 0.005
  9. 70
  10. 0.39
  11. 0.6
  12. 12.65
  13. 0.001
  14. 0.006
  15. 3
  16. 9.88
  17. 0.2
  18. 20
  19. 0.028
  20. 11.91
  21. 0.46
  22. 0.002
  23. 11.16
  24. 0.57
  25. 0.05
  26. 0.081
  27. 70
  28. 8.23
  29. 0.004
  30. 0.06
  31. 20
  32. 0.014
  33. 3.67
  34. 0.013
  35. 0.1
  36. 5
  37. 0.066
  38. 80
  39. 0.035
  40. 0.08

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