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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 748 · 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 7 in 68.927? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  2. 2.What is the value of the digit 9 in 36.249? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  3. 3.7.28 + 7.7 = ? (a) 8.05 (b) 14.88 (c) 15.08 (d) 14.98
  4. 4.5.37 + 2.3 = ? (a) 7.57 (b) 5.6 (c) 7.77 (d) 7.67
  5. 5.What is the value of the digit 8 in 54.386? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  6. 6.4.53 + 7.1 = ? (a) 5.24 (b) 11.63 (c) 11.53 (d) 11.73
  7. 7.2.46 + 1.1 = ? (a) 2.57 (b) 3.66 (c) 3.56 (d) 3.46
  8. 8.Which is the greatest: 0.034, 0.2, 0.181, 0.26? (a) 0.034 (b) 0.2 (c) 0.181 (d) 0.26
  9. 9.1.91 + 3.7 = ? (a) 5.51 (b) 5.71 (c) 2.28 (d) 5.61
  10. 10.What is the value of the digit 5 in 53.426? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  11. 11.Which is the smallest: 0.78, 0.013, 0.673, 0.7? (a) 0.78 (b) 0.013 (c) 0.673 (d) 0.7
  12. 12.What is the value of the digit 4 in 46.812? (a) 40 (b) 0.04 (c) 0.4 (d) 4
  13. 13.7.59 + 6.5 = ? (a) 14.09 (b) 14.19 (c) 8.24 (d) 13.99
  14. 14.Which is the smallest: 0.46, 0.4, 0.345, 0.026? (a) 0.46 (b) 0.4 (c) 0.345 (d) 0.026
  15. 15.1.23 + 8.6 = ? (a) 2.09 (b) 9.83 (c) 9.93 (d) 9.73
  16. 16.What is the value of the digit 9 in 19.324? (a) 0.09 (b) 9 (c) 0.9 (d) 90
  17. 17.What is the value of the digit 3 in 13.259? (a) 3 (b) 0.03 (c) 0.3 (d) 30
  18. 18.What is the value of the digit 1 in 23.841? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  19. 19.4.84 + 1.6 = ? (a) 6.34 (b) 6.54 (c) 6.44 (d) 5
  20. 20.Which is the greatest: 0.051, 0.123, 0.2, 0.25? (a) 0.051 (b) 0.123 (c) 0.2 (d) 0.25
  21. 21.9.36 + 3.2 = ? (a) 9.68 (b) 12.66 (c) 12.46 (d) 12.56
  22. 22.7.14 + 4.4 = ? (a) 7.58 (b) 11.54 (c) 11.64 (d) 11.44
  23. 23.What is the value of the digit 5 in 59.764? (a) 50 (b) 0.5 (c) 5 (d) 0.05
  24. 24.Which is the greatest: 0.61, 0.6, 0.523, 0.017? (a) 0.61 (b) 0.6 (c) 0.523 (d) 0.017
  25. 25.Which is the greatest: 0.057, 0.2, 0.29, 0.133? (a) 0.057 (b) 0.2 (c) 0.29 (d) 0.133
  26. 26.What is the value of the digit 2 in 82.659? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  27. 27.Which is the smallest: 0.26, 0.122, 0.085, 0.2? (a) 0.26 (b) 0.122 (c) 0.085 (d) 0.2
  28. 28.What is the value of the digit 2 in 52.391? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  29. 29.What is the value of the digit 6 in 16.925? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  30. 30.3.22 + 4.7 = ? (a) 8.02 (b) 7.92 (c) 3.69 (d) 7.82
  31. 31.Which is the greatest: 0.094, 0.358, 0.44, 0.4? (a) 0.094 (b) 0.358 (c) 0.44 (d) 0.4
  32. 32.What is the value of the digit 5 in 46.958? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  33. 33.What is the value of the digit 3 in 93.147? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  34. 34.What is the value of the digit 9 in 92.864? (a) 0.09 (b) 0.9 (c) 9 (d) 90
  35. 35.Which is the greatest: 0.3, 0.37, 0.291, 0.033? (a) 0.3 (b) 0.37 (c) 0.291 (d) 0.033
  36. 36.Which is the greatest: 0.028, 0.23, 0.114, 0.2? (a) 0.028 (b) 0.23 (c) 0.114 (d) 0.2
  37. 37.What is the value of the digit 9 in 36.259? (a) 0.9 (b) 9 (c) 0.009 (d) 0.09
  38. 38.What is the value of the digit 7 in 17.924? (a) 70 (b) 7 (c) 0.07 (d) 0.7
  39. 39.Which is the greatest: 0.21, 0.129, 0.2, 0.089? (a) 0.21 (b) 0.129 (c) 0.2 (d) 0.089
  40. 40.What is the value of the digit 6 in 63.741? (a) 0.6 (b) 60 (c) 6 (d) 0.06

Answer key

  1. 0.007
  2. 0.009
  3. 14.98
  4. 7.67
  5. 0.08
  6. 11.63
  7. 3.56
  8. 0.26
  9. 5.61
  10. 50
  11. 0.013
  12. 40
  13. 14.09
  14. 0.026
  15. 9.83
  16. 9
  17. 3
  18. 0.001
  19. 6.44
  20. 0.25
  21. 12.56
  22. 11.54
  23. 50
  24. 0.61
  25. 0.29
  26. 2
  27. 0.085
  28. 2
  29. 6
  30. 7.92
  31. 0.44
  32. 0.05
  33. 3
  34. 90
  35. 0.37
  36. 0.23
  37. 0.009
  38. 7
  39. 0.21
  40. 60

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