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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 718 · 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 7 in 87.514? (a) 70 (b) 0.07 (c) 0.7 (d) 7
  2. 2.Which is the greatest: 0.42, 0.348, 0.035, 0.4? (a) 0.42 (b) 0.348 (c) 0.035 (d) 0.4
  3. 3.Which is the greatest: 0.314, 0.42, 0.4, 0.011? (a) 0.314 (b) 0.42 (c) 0.4 (d) 0.011
  4. 4.Which is the smallest: 0.5, 0.079, 0.57, 0.492? (a) 0.5 (b) 0.079 (c) 0.57 (d) 0.492
  5. 5.What is the value of the digit 4 in 45.712? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  6. 6.What is the value of the digit 8 in 28.514? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  7. 7.What is the value of the digit 1 in 71.539? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  8. 8.Which is the smallest: 0.51, 0.455, 0.063, 0.5? (a) 0.51 (b) 0.455 (c) 0.063 (d) 0.5
  9. 9.3.37 + 8.8 = ? (a) 12.27 (b) 12.07 (c) 12.17 (d) 4.25
  10. 10.What is the value of the digit 3 in 39.184? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  11. 11.What is the value of the digit 4 in 53.941? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  12. 12.What is the value of the digit 1 in 87.216? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  13. 13.3.08 + 3.4 = ? (a) 6.58 (b) 3.42 (c) 6.48 (d) 6.38
  14. 14.What is the value of the digit 5 in 85.214? (a) 5 (b) 0.05 (c) 50 (d) 0.5
  15. 15.Which is the smallest: 0.016, 0.25, 0.2, 0.161? (a) 0.016 (b) 0.25 (c) 0.2 (d) 0.161
  16. 16.3.01 + 5.6 = ? (a) 8.71 (b) 3.57 (c) 8.61 (d) 8.51
  17. 17.Which is the greatest: 0.21, 0.112, 0.055, 0.2? (a) 0.21 (b) 0.112 (c) 0.055 (d) 0.2
  18. 18.Which is the smallest: 0.6, 0.67, 0.047, 0.555? (a) 0.6 (b) 0.67 (c) 0.047 (d) 0.555
  19. 19.What is the value of the digit 2 in 25.784? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  20. 20.Which is the smallest: 0.124, 0.24, 0.2, 0.098? (a) 0.124 (b) 0.24 (c) 0.2 (d) 0.098
  21. 21.Which is the greatest: 0.361, 0.4, 0.48, 0.053? (a) 0.361 (b) 0.4 (c) 0.48 (d) 0.053
  22. 22.What is the value of the digit 8 in 59.483? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  23. 23.4.42 + 8.3 = ? (a) 12.62 (b) 5.25 (c) 12.82 (d) 12.72
  24. 24.8.63 + 4.4 = ? (a) 13.13 (b) 13.03 (c) 12.93 (d) 9.07
  25. 25.What is the value of the digit 6 in 49.836? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  26. 26.Which is the smallest: 0.377, 0.4, 0.44, 0.038? (a) 0.377 (b) 0.4 (c) 0.44 (d) 0.038
  27. 27.What is the value of the digit 3 in 51.436? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  28. 28.2.31 + 1.9 = ? (a) 2.5 (b) 4.31 (c) 4.21 (d) 4.11
  29. 29.Which is the greatest: 0.33, 0.098, 0.3, 0.237? (a) 0.33 (b) 0.098 (c) 0.3 (d) 0.237
  30. 30.What is the value of the digit 6 in 26.378? (a) 0.06 (b) 6 (c) 0.6 (d) 60
  31. 31.Which is the greatest: 0.017, 0.3, 0.217, 0.36? (a) 0.017 (b) 0.3 (c) 0.217 (d) 0.36
  32. 32.Which is the greatest: 0.81, 0.081, 0.8, 0.783? (a) 0.81 (b) 0.081 (c) 0.8 (d) 0.783
  33. 33.What is the value of the digit 6 in 23.967? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  34. 34.6.54 + 1.7 = ? (a) 6.71 (b) 8.34 (c) 8.14 (d) 8.24
  35. 35.1.61 + 7.7 = ? (a) 9.31 (b) 2.38 (c) 9.41 (d) 9.21
  36. 36.What is the value of the digit 3 in 34.518? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  37. 37.Which is the greatest: 0.79, 0.011, 0.7, 0.614? (a) 0.79 (b) 0.011 (c) 0.7 (d) 0.614
  38. 38.4.82 + 1.1 = ? (a) 5.82 (b) 6.02 (c) 5.92 (d) 4.93
  39. 39.What is the value of the digit 6 in 38.654? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  40. 40.Which is the smallest: 0.351, 0.082, 0.4, 0.45? (a) 0.351 (b) 0.082 (c) 0.4 (d) 0.45

Answer key

  1. 7
  2. 0.42
  3. 0.42
  4. 0.079
  5. 40
  6. 8
  7. 1
  8. 0.063
  9. 12.17
  10. 30
  11. 0.04
  12. 0.01
  13. 6.48
  14. 5
  15. 0.016
  16. 8.61
  17. 0.21
  18. 0.047
  19. 20
  20. 0.098
  21. 0.48
  22. 0.08
  23. 12.72
  24. 13.03
  25. 0.006
  26. 0.038
  27. 0.03
  28. 4.21
  29. 0.33
  30. 6
  31. 0.36
  32. 0.81
  33. 0.06
  34. 8.24
  35. 9.31
  36. 30
  37. 0.79
  38. 5.92
  39. 0.6
  40. 0.082

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