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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 536 · 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 92.637? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  2. 2.5.76 + 2.2 = ? (a) 7.96 (b) 7.86 (c) 5.98 (d) 8.06
  3. 3.Which is the greatest: 0.032, 0.48, 0.4, 0.372? (a) 0.032 (b) 0.48 (c) 0.4 (d) 0.372
  4. 4.Which is the greatest: 0.025, 0.444, 0.56, 0.5? (a) 0.025 (b) 0.444 (c) 0.56 (d) 0.5
  5. 5.What is the value of the digit 2 in 82.196? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  6. 6.What is the value of the digit 6 in 65.423? (a) 0.6 (b) 6 (c) 60 (d) 0.06
  7. 7.Which is the greatest: 0.7, 0.71, 0.641, 0.063? (a) 0.7 (b) 0.71 (c) 0.641 (d) 0.063
  8. 8.8.47 + 6.4 = ? (a) 9.11 (b) 14.87 (c) 14.97 (d) 14.77
  9. 9.What is the value of the digit 5 in 37.512? (a) 0.5 (b) 0.05 (c) 5 (d) 0.005
  10. 10.Which is the smallest: 0.713, 0.87, 0.8, 0.018? (a) 0.713 (b) 0.87 (c) 0.8 (d) 0.018
  11. 11.3.61 + 1.9 = ? (a) 3.8 (b) 5.41 (c) 5.51 (d) 5.61
  12. 12.What is the value of the digit 2 in 82.163? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  13. 13.What is the value of the digit 1 in 15.637? (a) 0.01 (b) 0.1 (c) 1 (d) 10
  14. 14.7.66 + 7.8 = ? (a) 15.36 (b) 15.56 (c) 15.46 (d) 8.44
  15. 15.2.02 + 4.1 = ? (a) 6.12 (b) 6.02 (c) 6.22 (d) 2.43
  16. 16.Which is the greatest: 0.8, 0.88, 0.034, 0.738? (a) 0.8 (b) 0.88 (c) 0.034 (d) 0.738
  17. 17.4.97 + 7.8 = ? (a) 12.87 (b) 5.75 (c) 12.67 (d) 12.77
  18. 18.8.84 + 9.8 = ? (a) 18.74 (b) 18.54 (c) 9.82 (d) 18.64
  19. 19.8.01 + 1.5 = ? (a) 9.41 (b) 9.61 (c) 8.16 (d) 9.51
  20. 20.Which is the smallest: 0.58, 0.435, 0.5, 0.065? (a) 0.58 (b) 0.435 (c) 0.5 (d) 0.065
  21. 21.7.46 + 8.1 = ? (a) 15.46 (b) 15.66 (c) 8.27 (d) 15.56
  22. 22.9.54 + 4.3 = ? (a) 9.97 (b) 13.74 (c) 13.84 (d) 13.94
  23. 23.9.98 + 4.9 = ? (a) 14.98 (b) 10.47 (c) 14.88 (d) 14.78
  24. 24.What is the value of the digit 4 in 15.742? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  25. 25.4.74 + 6.2 = ? (a) 5.36 (b) 10.84 (c) 11.04 (d) 10.94
  26. 26.7.03 + 6.6 = ? (a) 7.69 (b) 13.53 (c) 13.63 (d) 13.73
  27. 27.What is the value of the digit 4 in 28.354? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  28. 28.What is the value of the digit 4 in 81.462? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  29. 29.What is the value of the digit 8 in 84.172? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  30. 30.Which is the greatest: 0.3, 0.057, 0.299, 0.37? (a) 0.3 (b) 0.057 (c) 0.299 (d) 0.37
  31. 31.6.21 + 7.1 = ? (a) 13.41 (b) 6.92 (c) 13.21 (d) 13.31
  32. 32.What is the value of the digit 3 in 13.652? (a) 0.03 (b) 30 (c) 0.3 (d) 3
  33. 33.What is the value of the digit 5 in 53.678? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  34. 34.What is the value of the digit 9 in 35.897? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  35. 35.Which is the smallest: 0.35, 0.261, 0.094, 0.3? (a) 0.35 (b) 0.261 (c) 0.094 (d) 0.3
  36. 36.Which is the greatest: 0.021, 0.3, 0.31, 0.293? (a) 0.021 (b) 0.3 (c) 0.31 (d) 0.293
  37. 37.Which is the smallest: 0.111, 0.015, 0.21, 0.2? (a) 0.111 (b) 0.015 (c) 0.21 (d) 0.2
  38. 38.9.04 + 6.3 = ? (a) 15.44 (b) 9.67 (c) 15.34 (d) 15.24
  39. 39.7.99 + 6.5 = ? (a) 14.59 (b) 14.39 (c) 8.64 (d) 14.49
  40. 40.2.51 + 2.5 = ? (a) 2.76 (b) 4.91 (c) 5.01 (d) 5.11

Answer key

  1. 0.007
  2. 7.96
  3. 0.48
  4. 0.56
  5. 2
  6. 60
  7. 0.71
  8. 14.87
  9. 0.5
  10. 0.018
  11. 5.51
  12. 2
  13. 10
  14. 15.46
  15. 6.12
  16. 0.88
  17. 12.77
  18. 18.64
  19. 9.51
  20. 0.065
  21. 15.56
  22. 13.84
  23. 14.88
  24. 0.04
  25. 10.94
  26. 13.63
  27. 0.004
  28. 0.4
  29. 80
  30. 0.37
  31. 13.31
  32. 3
  33. 50
  34. 0.09
  35. 0.094
  36. 0.31
  37. 0.015
  38. 15.34
  39. 14.49
  40. 5.01

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