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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 179 · 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.Which is the greatest: 0.062, 0.438, 0.5, 0.57? (a) 0.062 (b) 0.438 (c) 0.5 (d) 0.57
  2. 2.Which is the greatest: 0.29, 0.043, 0.191, 0.2? (a) 0.29 (b) 0.043 (c) 0.191 (d) 0.2
  3. 3.1.93 + 5.1 = ? (a) 7.03 (b) 6.93 (c) 2.44 (d) 7.13
  4. 4.Which is the greatest: 0.7, 0.035, 0.673, 0.76? (a) 0.7 (b) 0.035 (c) 0.673 (d) 0.76
  5. 5.2.58 + 6.6 = ? (a) 9.18 (b) 9.08 (c) 3.24 (d) 9.28
  6. 6.1.91 + 5.5 = ? (a) 2.46 (b) 7.41 (c) 7.51 (d) 7.31
  7. 7.Which is the greatest: 0.4, 0.077, 0.317, 0.48? (a) 0.4 (b) 0.077 (c) 0.317 (d) 0.48
  8. 8.What is the value of the digit 8 in 81.953? (a) 0.8 (b) 0.08 (c) 80 (d) 8
  9. 9.Which is the smallest: 0.092, 0.732, 0.8, 0.87? (a) 0.092 (b) 0.732 (c) 0.8 (d) 0.87
  10. 10.What is the value of the digit 4 in 28.341? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  11. 11.What is the value of the digit 8 in 56.873? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  12. 12.1.04 + 1.8 = ? (a) 1.22 (b) 2.74 (c) 2.84 (d) 2.94
  13. 13.What is the value of the digit 4 in 34.851? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  14. 14.9.02 + 6.4 = ? (a) 15.32 (b) 9.66 (c) 15.42 (d) 15.52
  15. 15.1.06 + 1.3 = ? (a) 2.26 (b) 2.36 (c) 1.19 (d) 2.46
  16. 16.Which is the smallest: 0.392, 0.47, 0.043, 0.4? (a) 0.392 (b) 0.47 (c) 0.043 (d) 0.4
  17. 17.What is the value of the digit 5 in 28.159? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  18. 18.What is the value of the digit 9 in 42.986? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  19. 19.Which is the greatest: 0.83, 0.052, 0.8, 0.735? (a) 0.83 (b) 0.052 (c) 0.8 (d) 0.735
  20. 20.7.14 + 6.2 = ? (a) 13.44 (b) 7.76 (c) 13.24 (d) 13.34
  21. 21.4.42 + 1.5 = ? (a) 4.57 (b) 5.92 (c) 6.02 (d) 5.82
  22. 22.Which is the greatest: 0.68, 0.6, 0.081, 0.523? (a) 0.68 (b) 0.6 (c) 0.081 (d) 0.523
  23. 23.9.46 + 1.3 = ? (a) 10.76 (b) 10.86 (c) 9.59 (d) 10.66
  24. 24.4.42 + 6.1 = ? (a) 10.62 (b) 5.03 (c) 10.52 (d) 10.42
  25. 25.Which is the smallest: 0.059, 0.199, 0.26, 0.2? (a) 0.059 (b) 0.199 (c) 0.26 (d) 0.2
  26. 26.Which is the smallest: 0.4, 0.093, 0.43, 0.397? (a) 0.4 (b) 0.093 (c) 0.43 (d) 0.397
  27. 27.What is the value of the digit 6 in 62.395? (a) 0.06 (b) 0.6 (c) 60 (d) 6
  28. 28.Which is the smallest: 0.036, 0.47, 0.321, 0.4? (a) 0.036 (b) 0.47 (c) 0.321 (d) 0.4
  29. 29.What is the value of the digit 1 in 43.167? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  30. 30.What is the value of the digit 4 in 89.145? (a) 0.4 (b) 4 (c) 0.004 (d) 0.04
  31. 31.Which is the smallest: 0.77, 0.7, 0.041, 0.633? (a) 0.77 (b) 0.7 (c) 0.041 (d) 0.633
  32. 32.Which is the smallest: 0.27, 0.069, 0.172, 0.2? (a) 0.27 (b) 0.069 (c) 0.172 (d) 0.2
  33. 33.2.92 + 8.8 = ? (a) 11.72 (b) 11.82 (c) 3.8 (d) 11.62
  34. 34.What is the value of the digit 7 in 91.674? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  35. 35.What is the value of the digit 7 in 27.148? (a) 70 (b) 0.07 (c) 0.7 (d) 7
  36. 36.What is the value of the digit 2 in 65.247? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  37. 37.What is the value of the digit 9 in 24.983? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  38. 38.What is the value of the digit 1 in 17.296? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  39. 39.2.97 + 1.5 = ? (a) 4.37 (b) 3.12 (c) 4.47 (d) 4.57
  40. 40.9.02 + 4.1 = ? (a) 13.22 (b) 9.43 (c) 13.02 (d) 13.12

Answer key

  1. 0.57
  2. 0.29
  3. 7.03
  4. 0.76
  5. 9.18
  6. 7.41
  7. 0.48
  8. 80
  9. 0.092
  10. 0.04
  11. 0.8
  12. 2.84
  13. 4
  14. 15.42
  15. 2.36
  16. 0.043
  17. 0.05
  18. 0.9
  19. 0.83
  20. 13.34
  21. 5.92
  22. 0.68
  23. 10.76
  24. 10.52
  25. 0.059
  26. 0.093
  27. 60
  28. 0.036
  29. 0.1
  30. 0.04
  31. 0.041
  32. 0.069
  33. 11.72
  34. 0.07
  35. 7
  36. 0.2
  37. 0.9
  38. 10
  39. 4.47
  40. 13.12

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