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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 381 · 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 3 in 61.273? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  2. 2.What is the value of the digit 9 in 23.189? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  3. 3.Which is the smallest: 0.659, 0.71, 0.047, 0.7? (a) 0.659 (b) 0.71 (c) 0.047 (d) 0.7
  4. 4.What is the value of the digit 7 in 58.279? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  5. 5.What is the value of the digit 9 in 26.519? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  6. 6.What is the value of the digit 2 in 69.324? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  7. 7.3.53 + 8.1 = ? (a) 11.53 (b) 11.73 (c) 4.34 (d) 11.63
  8. 8.What is the value of the digit 2 in 25.839? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  9. 9.What is the value of the digit 8 in 12.689? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  10. 10.Which is the smallest: 0.636, 0.082, 0.7, 0.73? (a) 0.636 (b) 0.082 (c) 0.7 (d) 0.73
  11. 11.What is the value of the digit 4 in 27.384? (a) 0.04 (b) 4 (c) 0.4 (d) 0.004
  12. 12.5.28 + 8.1 = ? (a) 6.09 (b) 13.48 (c) 13.28 (d) 13.38
  13. 13.Which is the smallest: 0.356, 0.47, 0.4, 0.028? (a) 0.356 (b) 0.47 (c) 0.4 (d) 0.028
  14. 14.4.31 + 1.4 = ? (a) 4.45 (b) 5.81 (c) 5.71 (d) 5.61
  15. 15.6.09 + 7.1 = ? (a) 6.8 (b) 13.19 (c) 13.29 (d) 13.09
  16. 16.What is the value of the digit 1 in 93.175? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  17. 17.7.07 + 9.7 = ? (a) 8.04 (b) 16.77 (c) 16.87 (d) 16.67
  18. 18.Which is the greatest: 0.89, 0.772, 0.041, 0.8? (a) 0.89 (b) 0.772 (c) 0.041 (d) 0.8
  19. 19.What is the value of the digit 4 in 25.741? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  20. 20.5.41 + 4.5 = ? (a) 5.86 (b) 9.81 (c) 9.91 (d) 10.01
  21. 21.1.89 + 7.8 = ? (a) 9.69 (b) 9.79 (c) 2.67 (d) 9.59
  22. 22.Which is the smallest: 0.024, 0.7, 0.697, 0.78? (a) 0.024 (b) 0.7 (c) 0.697 (d) 0.78
  23. 23.Which is the greatest: 0.055, 0.5, 0.473, 0.59? (a) 0.055 (b) 0.5 (c) 0.473 (d) 0.59
  24. 24.5.41 + 7.3 = ? (a) 12.81 (b) 6.14 (c) 12.71 (d) 12.61
  25. 25.Which is the greatest: 0.4, 0.352, 0.097, 0.44? (a) 0.4 (b) 0.352 (c) 0.097 (d) 0.44
  26. 26.Which is the smallest: 0.019, 0.2, 0.183, 0.23? (a) 0.019 (b) 0.2 (c) 0.183 (d) 0.23
  27. 27.Which is the smallest: 0.89, 0.046, 0.745, 0.8? (a) 0.89 (b) 0.046 (c) 0.745 (d) 0.8
  28. 28.What is the value of the digit 4 in 47.218? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  29. 29.Which is the greatest: 0.2, 0.065, 0.183, 0.23? (a) 0.2 (b) 0.065 (c) 0.183 (d) 0.23
  30. 30.7.09 + 9.1 = ? (a) 16.29 (b) 16.19 (c) 16.09 (d) 8
  31. 31.What is the value of the digit 7 in 21.479? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  32. 32.Which is the greatest: 0.8, 0.031, 0.86, 0.777? (a) 0.8 (b) 0.031 (c) 0.86 (d) 0.777
  33. 33.Which is the greatest: 0.051, 0.53, 0.5, 0.412? (a) 0.051 (b) 0.53 (c) 0.5 (d) 0.412
  34. 34.What is the value of the digit 1 in 19.584? (a) 10 (b) 0.01 (c) 0.1 (d) 1
  35. 35.What is the value of the digit 1 in 14.625? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  36. 36.1.42 + 4.3 = ? (a) 5.62 (b) 1.85 (c) 5.72 (d) 5.82
  37. 37.Which is the greatest: 0.074, 0.71, 0.626, 0.7? (a) 0.074 (b) 0.71 (c) 0.626 (d) 0.7
  38. 38.What is the value of the digit 2 in 23.698? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  39. 39.Which is the greatest: 0.25, 0.118, 0.2, 0.021? (a) 0.25 (b) 0.118 (c) 0.2 (d) 0.021
  40. 40.8.78 + 5.1 = ? (a) 13.98 (b) 13.78 (c) 9.29 (d) 13.88

Answer key

  1. 0.003
  2. 0.009
  3. 0.047
  4. 0.07
  5. 0.009
  6. 0.02
  7. 11.63
  8. 20
  9. 0.08
  10. 0.082
  11. 0.004
  12. 13.38
  13. 0.028
  14. 5.71
  15. 13.19
  16. 0.1
  17. 16.77
  18. 0.89
  19. 0.04
  20. 9.91
  21. 9.69
  22. 0.024
  23. 0.59
  24. 12.71
  25. 0.44
  26. 0.019
  27. 0.046
  28. 40
  29. 0.23
  30. 16.19
  31. 0.07
  32. 0.86
  33. 0.53
  34. 10
  35. 10
  36. 5.72
  37. 0.71
  38. 20
  39. 0.25
  40. 13.88

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