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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 835 · 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 92.467? (a) 0.06 (b) 0.6 (c) 6 (d) 0.006
  2. 2.What is the value of the digit 2 in 87.219? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  3. 3.What is the value of the digit 1 in 42.185? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  4. 4.What is the value of the digit 9 in 39.487? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  5. 5.What is the value of the digit 3 in 39.581? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  6. 6.3.22 + 1.3 = ? (a) 4.42 (b) 4.52 (c) 3.35 (d) 4.62
  7. 7.Which is the greatest: 0.788, 0.8, 0.097, 0.82? (a) 0.788 (b) 0.8 (c) 0.097 (d) 0.82
  8. 8.What is the value of the digit 5 in 45.912? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  9. 9.What is the value of the digit 6 in 26.183? (a) 0.06 (b) 0.6 (c) 6 (d) 60
  10. 10.What is the value of the digit 5 in 21.635? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  11. 11.What is the value of the digit 1 in 15.792? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  12. 12.3.84 + 5.3 = ? (a) 9.24 (b) 9.04 (c) 9.14 (d) 4.37
  13. 13.What is the value of the digit 6 in 95.436? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  14. 14.5.24 + 1.4 = ? (a) 5.38 (b) 6.54 (c) 6.64 (d) 6.74
  15. 15.6.78 + 1.3 = ? (a) 8.18 (b) 6.91 (c) 8.08 (d) 7.98
  16. 16.1.78 + 1.9 = ? (a) 3.58 (b) 1.97 (c) 3.78 (d) 3.68
  17. 17.2.12 + 2.2 = ? (a) 4.22 (b) 4.42 (c) 4.32 (d) 2.34
  18. 18.3.42 + 6.3 = ? (a) 4.05 (b) 9.82 (c) 9.72 (d) 9.62
  19. 19.What is the value of the digit 6 in 86.913? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  20. 20.What is the value of the digit 5 in 34.275? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  21. 21.9.65 + 2.2 = ? (a) 11.85 (b) 11.95 (c) 9.87 (d) 11.75
  22. 22.9.66 + 9.8 = ? (a) 19.36 (b) 19.56 (c) 10.64 (d) 19.46
  23. 23.Which is the greatest: 0.741, 0.097, 0.88, 0.8? (a) 0.741 (b) 0.097 (c) 0.88 (d) 0.8
  24. 24.What is the value of the digit 9 in 19.684? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  25. 25.What is the value of the digit 7 in 73.184? (a) 7 (b) 0.7 (c) 70 (d) 0.07
  26. 26.Which is the greatest: 0.138, 0.023, 0.2, 0.23? (a) 0.138 (b) 0.023 (c) 0.2 (d) 0.23
  27. 27.What is the value of the digit 1 in 68.219? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
  28. 28.6.51 + 8.4 = ? (a) 14.81 (b) 15.01 (c) 7.35 (d) 14.91
  29. 29.Which is the smallest: 0.5, 0.51, 0.436, 0.036? (a) 0.5 (b) 0.51 (c) 0.436 (d) 0.036
  30. 30.Which is the smallest: 0.034, 0.5, 0.55, 0.485? (a) 0.034 (b) 0.5 (c) 0.55 (d) 0.485
  31. 31.4.41 + 9.8 = ? (a) 14.21 (b) 14.31 (c) 14.11 (d) 5.39
  32. 32.What is the value of the digit 3 in 38.954? (a) 0.3 (b) 3 (c) 0.03 (d) 30
  33. 33.What is the value of the digit 2 in 24.683? (a) 2 (b) 0.02 (c) 0.2 (d) 20
  34. 34.4.19 + 4.1 = ? (a) 4.6 (b) 8.39 (c) 8.29 (d) 8.19
  35. 35.1.63 + 1.8 = ? (a) 3.33 (b) 3.53 (c) 3.43 (d) 1.81
  36. 36.5.98 + 8.8 = ? (a) 6.86 (b) 14.88 (c) 14.68 (d) 14.78
  37. 37.What is the value of the digit 3 in 65.239? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  38. 38.What is the value of the digit 1 in 29.817? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  39. 39.7.63 + 2.1 = ? (a) 9.63 (b) 9.73 (c) 9.83 (d) 7.84
  40. 40.What is the value of the digit 4 in 64.872? (a) 0.04 (b) 4 (c) 0.4 (d) 40

Answer key

  1. 0.06
  2. 0.2
  3. 0.1
  4. 9
  5. 30
  6. 4.52
  7. 0.82
  8. 5
  9. 6
  10. 0.005
  11. 10
  12. 9.14
  13. 0.006
  14. 6.64
  15. 8.08
  16. 3.68
  17. 4.32
  18. 9.72
  19. 6
  20. 0.005
  21. 11.85
  22. 19.46
  23. 0.88
  24. 9
  25. 70
  26. 0.23
  27. 0.01
  28. 14.91
  29. 0.036
  30. 0.034
  31. 14.21
  32. 30
  33. 20
  34. 8.29
  35. 3.43
  36. 14.78
  37. 0.03
  38. 0.01
  39. 9.73
  40. 4

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