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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 222 · 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 9 in 58.693? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  2. 2.What is the value of the digit 5 in 79.158? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  3. 3.9.52 + 6.3 = ? (a) 10.15 (b) 15.72 (c) 15.82 (d) 15.92
  4. 4.What is the value of the digit 3 in 18.352? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  5. 5.8.09 + 5.3 = ? (a) 13.39 (b) 13.29 (c) 8.62 (d) 13.49
  6. 6.Which is the greatest: 0.096, 0.3, 0.37, 0.224? (a) 0.096 (b) 0.3 (c) 0.37 (d) 0.224
  7. 7.1.06 + 1.9 = ? (a) 2.86 (b) 3.06 (c) 1.25 (d) 2.96
  8. 8.3.99 + 8.2 = ? (a) 4.81 (b) 12.19 (c) 12.29 (d) 12.09
  9. 9.What is the value of the digit 4 in 96.248? (a) 0.4 (b) 0.004 (c) 4 (d) 0.04
  10. 10.8.21 + 4.7 = ? (a) 12.81 (b) 8.68 (c) 13.01 (d) 12.91
  11. 11.6.86 + 9.8 = ? (a) 16.56 (b) 16.66 (c) 7.84 (d) 16.76
  12. 12.7.27 + 9.5 = ? (a) 16.87 (b) 16.67 (c) 8.22 (d) 16.77
  13. 13.What is the value of the digit 7 in 47.631? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  14. 14.7.04 + 6.5 = ? (a) 13.44 (b) 13.54 (c) 7.69 (d) 13.64
  15. 15.5.62 + 3.2 = ? (a) 8.72 (b) 8.82 (c) 5.94 (d) 8.92
  16. 16.What is the value of the digit 2 in 12.784? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  17. 17.Which is the smallest: 0.37, 0.3, 0.228, 0.099? (a) 0.37 (b) 0.3 (c) 0.228 (d) 0.099
  18. 18.6.55 + 2.7 = ? (a) 9.35 (b) 9.25 (c) 6.82 (d) 9.15
  19. 19.What is the value of the digit 3 in 36.714? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  20. 20.5.38 + 7.7 = ? (a) 6.15 (b) 12.98 (c) 13.18 (d) 13.08
  21. 21.4.91 + 9.5 = ? (a) 14.31 (b) 14.51 (c) 14.41 (d) 5.86
  22. 22.What is the value of the digit 3 in 29.134? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  23. 23.2.85 + 7.9 = ? (a) 3.64 (b) 10.65 (c) 10.75 (d) 10.85
  24. 24.What is the value of the digit 7 in 74.685? (a) 70 (b) 7 (c) 0.07 (d) 0.7
  25. 25.What is the value of the digit 9 in 74.519? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  26. 26.Which is the greatest: 0.264, 0.34, 0.076, 0.3? (a) 0.264 (b) 0.34 (c) 0.076 (d) 0.3
  27. 27.4.99 + 6.6 = ? (a) 5.65 (b) 11.69 (c) 11.59 (d) 11.49
  28. 28.2.47 + 2.2 = ? (a) 2.69 (b) 4.77 (c) 4.57 (d) 4.67
  29. 29.What is the value of the digit 7 in 74.235? (a) 7 (b) 70 (c) 0.07 (d) 0.7
  30. 30.6.01 + 1.4 = ? (a) 7.41 (b) 7.31 (c) 6.15 (d) 7.51
  31. 31.What is the value of the digit 9 in 57.492? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  32. 32.What is the value of the digit 8 in 89.247? (a) 80 (b) 8 (c) 0.08 (d) 0.8
  33. 33.5.41 + 8.1 = ? (a) 13.61 (b) 6.22 (c) 13.41 (d) 13.51
  34. 34.9.68 + 9.8 = ? (a) 19.48 (b) 19.38 (c) 10.66 (d) 19.58
  35. 35.What is the value of the digit 5 in 92.475? (a) 0.005 (b) 0.5 (c) 0.05 (d) 5
  36. 36.Which is the smallest: 0.79, 0.699, 0.091, 0.7? (a) 0.79 (b) 0.699 (c) 0.091 (d) 0.7
  37. 37.2.57 + 7.3 = ? (a) 9.77 (b) 9.97 (c) 3.3 (d) 9.87
  38. 38.Which is the smallest: 0.462, 0.5, 0.55, 0.084? (a) 0.462 (b) 0.5 (c) 0.55 (d) 0.084
  39. 39.9.03 + 1.6 = ? (a) 10.53 (b) 10.73 (c) 9.19 (d) 10.63
  40. 40.3.29 + 5.1 = ? (a) 8.29 (b) 3.8 (c) 8.49 (d) 8.39

Answer key

  1. 0.09
  2. 0.05
  3. 15.82
  4. 0.3
  5. 13.39
  6. 0.37
  7. 2.96
  8. 12.19
  9. 0.04
  10. 12.91
  11. 16.66
  12. 16.77
  13. 7
  14. 13.54
  15. 8.82
  16. 2
  17. 0.099
  18. 9.25
  19. 30
  20. 13.08
  21. 14.41
  22. 0.03
  23. 10.75
  24. 70
  25. 0.009
  26. 0.34
  27. 11.59
  28. 4.67
  29. 70
  30. 7.41
  31. 0.09
  32. 80
  33. 13.51
  34. 19.48
  35. 0.005
  36. 0.091
  37. 9.87
  38. 0.084
  39. 10.63
  40. 8.39

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