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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 191 · 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 1 in 59.176? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  2. 2.3.04 + 1.4 = ? (a) 3.18 (b) 4.54 (c) 4.44 (d) 4.34
  3. 3.What is the value of the digit 8 in 48.962? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  4. 4.6.39 + 1.3 = ? (a) 7.59 (b) 7.79 (c) 6.52 (d) 7.69
  5. 5.9.41 + 3.6 = ? (a) 12.91 (b) 9.77 (c) 13.01 (d) 13.11
  6. 6.Which is the smallest: 0.5, 0.024, 0.51, 0.498? (a) 0.5 (b) 0.024 (c) 0.51 (d) 0.498
  7. 7.What is the value of the digit 7 in 93.874? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  8. 8.5.53 + 9.3 = ? (a) 14.83 (b) 14.73 (c) 14.93 (d) 6.46
  9. 9.Which is the greatest: 0.25, 0.054, 0.143, 0.2? (a) 0.25 (b) 0.054 (c) 0.143 (d) 0.2
  10. 10.What is the value of the digit 9 in 57.396? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  11. 11.1.84 + 2.2 = ? (a) 2.06 (b) 4.14 (c) 3.94 (d) 4.04
  12. 12.What is the value of the digit 5 in 81.435? (a) 0.05 (b) 0.005 (c) 5 (d) 0.5
  13. 13.8.33 + 6.5 = ? (a) 14.73 (b) 8.98 (c) 14.83 (d) 14.93
  14. 14.What is the value of the digit 8 in 74.938? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  15. 15.Which is the greatest: 0.24, 0.2, 0.137, 0.077? (a) 0.24 (b) 0.2 (c) 0.137 (d) 0.077
  16. 16.2.16 + 9.8 = ? (a) 3.14 (b) 12.06 (c) 11.96 (d) 11.86
  17. 17.Which is the greatest: 0.214, 0.025, 0.36, 0.3? (a) 0.214 (b) 0.025 (c) 0.36 (d) 0.3
  18. 18.What is the value of the digit 6 in 69.275? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  19. 19.What is the value of the digit 4 in 92.146? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  20. 20.What is the value of the digit 6 in 69.581? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  21. 21.What is the value of the digit 4 in 41.537? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  22. 22.7.56 + 7.6 = ? (a) 8.32 (b) 15.26 (c) 15.06 (d) 15.16
  23. 23.Which is the smallest: 0.82, 0.012, 0.8, 0.722? (a) 0.82 (b) 0.012 (c) 0.8 (d) 0.722
  24. 24.What is the value of the digit 8 in 82.159? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  25. 25.What is the value of the digit 9 in 29.683? (a) 0.9 (b) 90 (c) 0.09 (d) 9
  26. 26.Which is the smallest: 0.48, 0.021, 0.4, 0.398? (a) 0.48 (b) 0.021 (c) 0.4 (d) 0.398
  27. 27.Which is the greatest: 0.221, 0.36, 0.022, 0.3? (a) 0.221 (b) 0.36 (c) 0.022 (d) 0.3
  28. 28.3.31 + 9.9 = ? (a) 13.21 (b) 4.3 (c) 13.11 (d) 13.31
  29. 29.1.34 + 8.1 = ? (a) 9.54 (b) 2.15 (c) 9.44 (d) 9.34
  30. 30.5.67 + 7.3 = ? (a) 6.4 (b) 13.07 (c) 12.87 (d) 12.97
  31. 31.What is the value of the digit 5 in 15.948? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  32. 32.3.34 + 6.8 = ? (a) 10.04 (b) 10.14 (c) 4.02 (d) 10.24
  33. 33.1.81 + 1.8 = ? (a) 3.61 (b) 3.71 (c) 3.51 (d) 1.99
  34. 34.8.96 + 4.1 = ? (a) 13.06 (b) 12.96 (c) 13.16 (d) 9.37
  35. 35.6.01 + 8.4 = ? (a) 14.41 (b) 6.85 (c) 14.31 (d) 14.51
  36. 36.3.72 + 8.2 = ? (a) 4.54 (b) 11.92 (c) 11.82 (d) 12.02
  37. 37.What is the value of the digit 2 in 34.261? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  38. 38.1.93 + 7.1 = ? (a) 8.93 (b) 2.64 (c) 9.03 (d) 9.13
  39. 39.What is the value of the digit 8 in 91.382? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  40. 40.9.32 + 7.8 = ? (a) 10.1 (b) 17.22 (c) 17.02 (d) 17.12

Answer key

  1. 0.1
  2. 4.44
  3. 8
  4. 7.69
  5. 13.01
  6. 0.024
  7. 0.07
  8. 14.83
  9. 0.25
  10. 0.09
  11. 4.04
  12. 0.005
  13. 14.83
  14. 0.008
  15. 0.24
  16. 11.96
  17. 0.36
  18. 60
  19. 0.04
  20. 60
  21. 40
  22. 15.16
  23. 0.012
  24. 80
  25. 9
  26. 0.021
  27. 0.36
  28. 13.21
  29. 9.44
  30. 12.97
  31. 5
  32. 10.14
  33. 3.61
  34. 13.06
  35. 14.41
  36. 11.92
  37. 0.2
  38. 9.03
  39. 0.08
  40. 17.12

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