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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 684 · 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 5 in 57.982? (a) 50 (b) 0.05 (c) 0.5 (d) 5
  2. 2.What is the value of the digit 8 in 53.841? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  3. 3.What is the value of the digit 3 in 57.234? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3
  4. 4.2.47 + 1.7 = ? (a) 4.27 (b) 2.64 (c) 4.07 (d) 4.17
  5. 5.1.16 + 2.2 = ? (a) 3.36 (b) 3.46 (c) 1.38 (d) 3.26
  6. 6.What is the value of the digit 3 in 12.863? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  7. 7.Which is the greatest: 0.24, 0.033, 0.2, 0.115? (a) 0.24 (b) 0.033 (c) 0.2 (d) 0.115
  8. 8.What is the value of the digit 8 in 29.183? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  9. 9.What is the value of the digit 9 in 15.962? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  10. 10.What is the value of the digit 5 in 13.568? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  11. 11.What is the value of the digit 3 in 96.731? (a) 0.003 (b) 0.3 (c) 3 (d) 0.03
  12. 12.What is the value of the digit 6 in 56.347? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  13. 13.What is the value of the digit 9 in 59.782? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  14. 14.Which is the smallest: 0.53, 0.042, 0.423, 0.5? (a) 0.53 (b) 0.042 (c) 0.423 (d) 0.5
  15. 15.7.11 + 2.3 = ? (a) 9.31 (b) 9.41 (c) 9.51 (d) 7.34
  16. 16.What is the value of the digit 1 in 38.961? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  17. 17.5.42 + 1.3 = ? (a) 6.62 (b) 5.55 (c) 6.82 (d) 6.72
  18. 18.Which is the greatest: 0.026, 0.73, 0.671, 0.7? (a) 0.026 (b) 0.73 (c) 0.671 (d) 0.7
  19. 19.3.11 + 6.2 = ? (a) 9.31 (b) 3.73 (c) 9.21 (d) 9.41
  20. 20.Which is the greatest: 0.035, 0.2, 0.22, 0.132? (a) 0.035 (b) 0.2 (c) 0.22 (d) 0.132
  21. 21.9.69 + 4.3 = ? (a) 13.99 (b) 14.09 (c) 10.12 (d) 13.89
  22. 22.9.21 + 9.3 = ? (a) 10.14 (b) 18.41 (c) 18.51 (d) 18.61
  23. 23.What is the value of the digit 8 in 31.786? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  24. 24.4.87 + 5.1 = ? (a) 5.38 (b) 9.97 (c) 10.07 (d) 9.87
  25. 25.Which is the smallest: 0.093, 0.8, 0.84, 0.764? (a) 0.093 (b) 0.8 (c) 0.84 (d) 0.764
  26. 26.Which is the smallest: 0.678, 0.79, 0.097, 0.7? (a) 0.678 (b) 0.79 (c) 0.097 (d) 0.7
  27. 27.Which is the greatest: 0.49, 0.332, 0.027, 0.4? (a) 0.49 (b) 0.332 (c) 0.027 (d) 0.4
  28. 28.Which is the smallest: 0.044, 0.626, 0.7, 0.71? (a) 0.044 (b) 0.626 (c) 0.7 (d) 0.71
  29. 29.3.25 + 5.1 = ? (a) 3.76 (b) 8.25 (c) 8.45 (d) 8.35
  30. 30.7.59 + 9.7 = ? (a) 17.39 (b) 17.19 (c) 8.56 (d) 17.29
  31. 31.Which is the greatest: 0.68, 0.514, 0.056, 0.6? (a) 0.68 (b) 0.514 (c) 0.056 (d) 0.6
  32. 32.7.47 + 9.1 = ? (a) 16.47 (b) 16.67 (c) 8.38 (d) 16.57
  33. 33.What is the value of the digit 2 in 27.618? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  34. 34.What is the value of the digit 4 in 43.571? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  35. 35.Which is the smallest: 0.173, 0.2, 0.059, 0.29? (a) 0.173 (b) 0.2 (c) 0.059 (d) 0.29
  36. 36.Which is the smallest: 0.049, 0.5, 0.55, 0.481? (a) 0.049 (b) 0.5 (c) 0.55 (d) 0.481
  37. 37.What is the value of the digit 2 in 49.231? (a) 0.02 (b) 0.2 (c) 0.002 (d) 2
  38. 38.What is the value of the digit 2 in 32.165? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  39. 39.3.49 + 8.6 = ? (a) 12.09 (b) 4.35 (c) 11.99 (d) 12.19
  40. 40.What is the value of the digit 3 in 83.124? (a) 0.03 (b) 0.3 (c) 30 (d) 3

Answer key

  1. 50
  2. 0.8
  3. 0.03
  4. 4.17
  5. 3.36
  6. 0.003
  7. 0.24
  8. 0.08
  9. 0.9
  10. 0.5
  11. 0.03
  12. 6
  13. 9
  14. 0.042
  15. 9.41
  16. 0.001
  17. 6.72
  18. 0.73
  19. 9.31
  20. 0.22
  21. 13.99
  22. 18.51
  23. 0.08
  24. 9.97
  25. 0.093
  26. 0.097
  27. 0.49
  28. 0.044
  29. 8.35
  30. 17.29
  31. 0.68
  32. 16.57
  33. 20
  34. 40
  35. 0.059
  36. 0.049
  37. 0.2
  38. 2
  39. 12.09
  40. 3

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