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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 235 · 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 96.741? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  2. 2.9.56 + 2.2 = ? (a) 11.66 (b) 11.86 (c) 11.76 (d) 9.78
  3. 3.9.02 + 2.6 = ? (a) 11.52 (b) 9.28 (c) 11.72 (d) 11.62
  4. 4.What is the value of the digit 8 in 53.182? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  5. 5.Which is the greatest: 0.091, 0.78, 0.634, 0.7? (a) 0.091 (b) 0.78 (c) 0.634 (d) 0.7
  6. 6.2.05 + 5.1 = ? (a) 7.05 (b) 7.25 (c) 2.56 (d) 7.15
  7. 7.7.48 + 5.3 = ? (a) 12.78 (b) 8.01 (c) 12.88 (d) 12.68
  8. 8.3.37 + 7.7 = ? (a) 11.07 (b) 11.17 (c) 4.14 (d) 10.97
  9. 9.What is the value of the digit 3 in 86.325? (a) 3 (b) 0.03 (c) 0.3 (d) 0.003
  10. 10.Which is the greatest: 0.041, 0.162, 0.2, 0.22? (a) 0.041 (b) 0.162 (c) 0.2 (d) 0.22
  11. 11.What is the value of the digit 5 in 54.627? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  12. 12.5.74 + 7.7 = ? (a) 13.44 (b) 13.34 (c) 6.51 (d) 13.54
  13. 13.2.56 + 2.1 = ? (a) 4.76 (b) 2.77 (c) 4.66 (d) 4.56
  14. 14.What is the value of the digit 7 in 81.537? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  15. 15.What is the value of the digit 1 in 91.458? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  16. 16.What is the value of the digit 7 in 91.874? (a) 7 (b) 0.7 (c) 0.07 (d) 0.007
  17. 17.What is the value of the digit 8 in 82.539? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  18. 18.Which is the greatest: 0.44, 0.044, 0.4, 0.311? (a) 0.44 (b) 0.044 (c) 0.4 (d) 0.311
  19. 19.1.56 + 6.6 = ? (a) 8.26 (b) 8.06 (c) 8.16 (d) 2.22
  20. 20.Which is the smallest: 0.046, 0.647, 0.7, 0.71? (a) 0.046 (b) 0.647 (c) 0.7 (d) 0.71
  21. 21.What is the value of the digit 7 in 46.713? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  22. 22.Which is the greatest: 0.3, 0.37, 0.267, 0.016? (a) 0.3 (b) 0.37 (c) 0.267 (d) 0.016
  23. 23.8.11 + 6.9 = ? (a) 8.8 (b) 14.91 (c) 15.01 (d) 15.11
  24. 24.What is the value of the digit 4 in 41.639? (a) 0.04 (b) 0.4 (c) 4 (d) 40
  25. 25.3.41 + 6.1 = ? (a) 9.41 (b) 9.51 (c) 9.61 (d) 4.02
  26. 26.Which is the smallest: 0.73, 0.054, 0.7, 0.696? (a) 0.73 (b) 0.054 (c) 0.7 (d) 0.696
  27. 27.1.75 + 5.9 = ? (a) 7.65 (b) 2.34 (c) 7.55 (d) 7.75
  28. 28.What is the value of the digit 5 in 43.125? (a) 0.05 (b) 0.005 (c) 5 (d) 0.5
  29. 29.What is the value of the digit 2 in 68.251? (a) 0.02 (b) 0.002 (c) 2 (d) 0.2
  30. 30.What is the value of the digit 7 in 37.521? (a) 0.7 (b) 0.07 (c) 70 (d) 7
  31. 31.6.77 + 3.1 = ? (a) 9.77 (b) 9.97 (c) 9.87 (d) 7.08
  32. 32.Which is the smallest: 0.041, 0.173, 0.2, 0.29? (a) 0.041 (b) 0.173 (c) 0.2 (d) 0.29
  33. 33.Which is the greatest: 0.8, 0.774, 0.83, 0.011? (a) 0.8 (b) 0.774 (c) 0.83 (d) 0.011
  34. 34.4.93 + 6.9 = ? (a) 11.93 (b) 5.62 (c) 11.73 (d) 11.83
  35. 35.2.71 + 8.5 = ? (a) 11.31 (b) 3.56 (c) 11.21 (d) 11.11
  36. 36.What is the value of the digit 5 in 83.659? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  37. 37.Which is the smallest: 0.22, 0.2, 0.035, 0.147? (a) 0.22 (b) 0.2 (c) 0.035 (d) 0.147
  38. 38.What is the value of the digit 2 in 45.792? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  39. 39.Which is the greatest: 0.518, 0.6, 0.66, 0.034? (a) 0.518 (b) 0.6 (c) 0.66 (d) 0.034
  40. 40.3.32 + 3.5 = ? (a) 6.72 (b) 3.67 (c) 6.82 (d) 6.92

Answer key

  1. 6
  2. 11.76
  3. 11.62
  4. 0.08
  5. 0.78
  6. 7.15
  7. 12.78
  8. 11.07
  9. 0.3
  10. 0.22
  11. 50
  12. 13.44
  13. 4.66
  14. 0.007
  15. 1
  16. 0.07
  17. 80
  18. 0.44
  19. 8.16
  20. 0.046
  21. 0.7
  22. 0.37
  23. 15.01
  24. 40
  25. 9.51
  26. 0.054
  27. 7.65
  28. 0.005
  29. 0.2
  30. 7
  31. 9.87
  32. 0.041
  33. 0.83
  34. 11.83
  35. 11.21
  36. 0.05
  37. 0.035
  38. 0.002
  39. 0.66
  40. 6.82

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