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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 932 · 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 8 in 18.674? (a) 0.8 (b) 0.08 (c) 8 (d) 80
  2. 2.What is the value of the digit 3 in 96.137? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  3. 3.1.61 + 6.8 = ? (a) 8.31 (b) 8.51 (c) 8.41 (d) 2.29
  4. 4.1.54 + 8.7 = ? (a) 10.34 (b) 10.24 (c) 10.14 (d) 2.41
  5. 5.2.19 + 2.1 = ? (a) 4.19 (b) 2.4 (c) 4.29 (d) 4.39
  6. 6.7.55 + 6.6 = ? (a) 14.25 (b) 8.21 (c) 14.05 (d) 14.15
  7. 7.Which is the greatest: 0.167, 0.22, 0.2, 0.039? (a) 0.167 (b) 0.22 (c) 0.2 (d) 0.039
  8. 8.Which is the greatest: 0.049, 0.22, 0.124, 0.2? (a) 0.049 (b) 0.22 (c) 0.124 (d) 0.2
  9. 9.What is the value of the digit 1 in 16.435? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  10. 10.7.64 + 9.3 = ? (a) 17.04 (b) 16.84 (c) 8.57 (d) 16.94
  11. 11.What is the value of the digit 5 in 31.925? (a) 0.05 (b) 0.5 (c) 0.005 (d) 5
  12. 12.3.51 + 3.6 = ? (a) 7.11 (b) 7.21 (c) 3.87 (d) 7.01
  13. 13.Which is the greatest: 0.43, 0.4, 0.039, 0.357? (a) 0.43 (b) 0.4 (c) 0.039 (d) 0.357
  14. 14.6.47 + 1.9 = ? (a) 6.66 (b) 8.27 (c) 8.37 (d) 8.47
  15. 15.Which is the greatest: 0.29, 0.117, 0.061, 0.2? (a) 0.29 (b) 0.117 (c) 0.061 (d) 0.2
  16. 16.2.75 + 4.4 = ? (a) 3.19 (b) 7.25 (c) 7.15 (d) 7.05
  17. 17.4.94 + 4.7 = ? (a) 9.74 (b) 5.41 (c) 9.54 (d) 9.64
  18. 18.7.82 + 8.8 = ? (a) 16.52 (b) 8.7 (c) 16.72 (d) 16.62
  19. 19.What is the value of the digit 5 in 34.526? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  20. 20.What is the value of the digit 4 in 49.176? (a) 4 (b) 0.04 (c) 0.4 (d) 40
  21. 21.Which is the greatest: 0.22, 0.2, 0.139, 0.014? (a) 0.22 (b) 0.2 (c) 0.139 (d) 0.014
  22. 22.What is the value of the digit 3 in 37.921? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  23. 23.What is the value of the digit 7 in 17.824? (a) 0.7 (b) 70 (c) 0.07 (d) 7
  24. 24.8.06 + 2.1 = ? (a) 10.06 (b) 10.26 (c) 10.16 (d) 8.27
  25. 25.What is the value of the digit 4 in 15.349? (a) 0.04 (b) 0.4 (c) 4 (d) 0.004
  26. 26.What is the value of the digit 5 in 75.234? (a) 5 (b) 0.05 (c) 50 (d) 0.5
  27. 27.Which is the smallest: 0.712, 0.8, 0.052, 0.88? (a) 0.712 (b) 0.8 (c) 0.052 (d) 0.88
  28. 28.1.62 + 5.7 = ? (a) 7.32 (b) 7.42 (c) 2.19 (d) 7.22
  29. 29.What is the value of the digit 3 in 67.324? (a) 0.03 (b) 3 (c) 0.003 (d) 0.3
  30. 30.Which is the smallest: 0.614, 0.7, 0.091, 0.73? (a) 0.614 (b) 0.7 (c) 0.091 (d) 0.73
  31. 31.9.11 + 5.3 = ? (a) 14.51 (b) 14.31 (c) 14.41 (d) 9.64
  32. 32.5.37 + 5.3 = ? (a) 10.77 (b) 5.9 (c) 10.57 (d) 10.67
  33. 33.What is the value of the digit 3 in 63.189? (a) 30 (b) 0.03 (c) 0.3 (d) 3
  34. 34.4.93 + 9.1 = ? (a) 5.84 (b) 13.93 (c) 14.13 (d) 14.03
  35. 35.8.55 + 3.4 = ? (a) 12.05 (b) 11.85 (c) 8.89 (d) 11.95
  36. 36.Which is the greatest: 0.376, 0.4, 0.048, 0.42? (a) 0.376 (b) 0.4 (c) 0.048 (d) 0.42
  37. 37.What is the value of the digit 8 in 32.158? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  38. 38.1.92 + 3.4 = ? (a) 5.22 (b) 2.26 (c) 5.42 (d) 5.32
  39. 39.What is the value of the digit 5 in 87.635? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  40. 40.Which is the greatest: 0.36, 0.261, 0.099, 0.3? (a) 0.36 (b) 0.261 (c) 0.099 (d) 0.3

Answer key

  1. 8
  2. 0.03
  3. 8.41
  4. 10.24
  5. 4.29
  6. 14.15
  7. 0.22
  8. 0.22
  9. 10
  10. 16.94
  11. 0.005
  12. 7.11
  13. 0.43
  14. 8.37
  15. 0.29
  16. 7.15
  17. 9.64
  18. 16.62
  19. 0.5
  20. 40
  21. 0.22
  22. 30
  23. 7
  24. 10.16
  25. 0.04
  26. 5
  27. 0.052
  28. 7.32
  29. 0.3
  30. 0.091
  31. 14.41
  32. 10.67
  33. 3
  34. 14.03
  35. 11.95
  36. 0.42
  37. 0.008
  38. 5.32
  39. 0.005
  40. 0.36

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