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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 841 · 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 4 in 21.346? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  2. 2.What is the value of the digit 5 in 91.536? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  3. 3.What is the value of the digit 2 in 71.234? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02
  4. 4.Which is the smallest: 0.235, 0.39, 0.046, 0.3? (a) 0.235 (b) 0.39 (c) 0.046 (d) 0.3
  5. 5.2.81 + 5.1 = ? (a) 7.81 (b) 8.01 (c) 3.32 (d) 7.91
  6. 6.Which is the greatest: 0.6, 0.61, 0.089, 0.559? (a) 0.6 (b) 0.61 (c) 0.089 (d) 0.559
  7. 7.What is the value of the digit 5 in 79.514? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  8. 8.What is the value of the digit 2 in 31.982? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  9. 9.Which is the smallest: 0.197, 0.075, 0.2, 0.27? (a) 0.197 (b) 0.075 (c) 0.2 (d) 0.27
  10. 10.1.71 + 2.1 = ? (a) 3.71 (b) 3.91 (c) 3.81 (d) 1.92
  11. 11.What is the value of the digit 9 in 51.792? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  12. 12.Which is the smallest: 0.8, 0.017, 0.711, 0.81? (a) 0.8 (b) 0.017 (c) 0.711 (d) 0.81
  13. 13.What is the value of the digit 1 in 31.296? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  14. 14.Which is the greatest: 0.081, 0.672, 0.7, 0.71? (a) 0.081 (b) 0.672 (c) 0.7 (d) 0.71
  15. 15.What is the value of the digit 9 in 79.153? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  16. 16.Which is the smallest: 0.073, 0.27, 0.171, 0.2? (a) 0.073 (b) 0.27 (c) 0.171 (d) 0.2
  17. 17.What is the value of the digit 5 in 53.714? (a) 5 (b) 0.05 (c) 50 (d) 0.5
  18. 18.Which is the greatest: 0.011, 0.161, 0.22, 0.2? (a) 0.011 (b) 0.161 (c) 0.22 (d) 0.2
  19. 19.5.41 + 8.6 = ? (a) 13.91 (b) 14.11 (c) 14.01 (d) 6.27
  20. 20.Which is the greatest: 0.8, 0.85, 0.762, 0.026? (a) 0.8 (b) 0.85 (c) 0.762 (d) 0.026
  21. 21.4.33 + 3.7 = ? (a) 8.13 (b) 4.7 (c) 8.03 (d) 7.93
  22. 22.Which is the smallest: 0.2, 0.012, 0.117, 0.29? (a) 0.2 (b) 0.012 (c) 0.117 (d) 0.29
  23. 23.What is the value of the digit 8 in 26.587? (a) 0.008 (b) 8 (c) 0.8 (d) 0.08
  24. 24.Which is the greatest: 0.52, 0.5, 0.072, 0.445? (a) 0.52 (b) 0.5 (c) 0.072 (d) 0.445
  25. 25.6.13 + 8.9 = ? (a) 15.03 (b) 15.13 (c) 14.93 (d) 7.02
  26. 26.6.26 + 2.1 = ? (a) 8.36 (b) 6.47 (c) 8.26 (d) 8.46
  27. 27.What is the value of the digit 8 in 82.475? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  28. 28.Which is the smallest: 0.166, 0.2, 0.27, 0.018? (a) 0.166 (b) 0.2 (c) 0.27 (d) 0.018
  29. 29.What is the value of the digit 3 in 98.623? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  30. 30.Which is the smallest: 0.8, 0.097, 0.727, 0.88? (a) 0.8 (b) 0.097 (c) 0.727 (d) 0.88
  31. 31.3.83 + 7.6 = ? (a) 11.43 (b) 4.59 (c) 11.33 (d) 11.53
  32. 32.What is the value of the digit 6 in 32.647? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  33. 33.What is the value of the digit 8 in 67.382? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  34. 34.Which is the greatest: 0.84, 0.8, 0.094, 0.751? (a) 0.84 (b) 0.8 (c) 0.094 (d) 0.751
  35. 35.6.67 + 2.8 = ? (a) 9.57 (b) 6.95 (c) 9.37 (d) 9.47
  36. 36.Which is the smallest: 0.027, 0.334, 0.46, 0.4? (a) 0.027 (b) 0.334 (c) 0.46 (d) 0.4
  37. 37.What is the value of the digit 7 in 42.971? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  38. 38.Which is the smallest: 0.67, 0.552, 0.6, 0.032? (a) 0.67 (b) 0.552 (c) 0.6 (d) 0.032
  39. 39.Which is the smallest: 0.639, 0.095, 0.7, 0.75? (a) 0.639 (b) 0.095 (c) 0.7 (d) 0.75
  40. 40.Which is the greatest: 0.4, 0.331, 0.057, 0.43? (a) 0.4 (b) 0.331 (c) 0.057 (d) 0.43

Answer key

  1. 0.04
  2. 0.5
  3. 0.2
  4. 0.046
  5. 7.91
  6. 0.61
  7. 0.5
  8. 0.002
  9. 0.075
  10. 3.81
  11. 0.09
  12. 0.017
  13. 1
  14. 0.71
  15. 9
  16. 0.073
  17. 50
  18. 0.22
  19. 14.01
  20. 0.85
  21. 8.03
  22. 0.012
  23. 0.08
  24. 0.52
  25. 15.03
  26. 8.36
  27. 80
  28. 0.018
  29. 0.003
  30. 0.097
  31. 11.43
  32. 0.6
  33. 0.08
  34. 0.84
  35. 9.47
  36. 0.027
  37. 0.07
  38. 0.032
  39. 0.095
  40. 0.43

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