← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 659 · 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. 1.5.99 + 9.8 = ? (a) 15.69 (b) 15.89 (c) 6.97 (d) 15.79
  2. 2.Which is the smallest: 0.6, 0.022, 0.568, 0.66? (a) 0.6 (b) 0.022 (c) 0.568 (d) 0.66
  3. 3.Which is the smallest: 0.696, 0.79, 0.052, 0.7? (a) 0.696 (b) 0.79 (c) 0.052 (d) 0.7
  4. 4.Which is the smallest: 0.324, 0.46, 0.4, 0.044? (a) 0.324 (b) 0.46 (c) 0.4 (d) 0.044
  5. 5.7.05 + 7.4 = ? (a) 14.45 (b) 14.55 (c) 14.35 (d) 7.79
  6. 6.Which is the greatest: 0.39, 0.3, 0.236, 0.064? (a) 0.39 (b) 0.3 (c) 0.236 (d) 0.064
  7. 7.2.52 + 4.5 = ? (a) 7.12 (b) 2.97 (c) 6.92 (d) 7.02
  8. 8.3.33 + 9.9 = ? (a) 13.33 (b) 13.13 (c) 4.32 (d) 13.23
  9. 9.6.39 + 6.6 = ? (a) 13.09 (b) 7.05 (c) 12.99 (d) 12.89
  10. 10.What is the value of the digit 9 in 32.895? (a) 0.09 (b) 0.009 (c) 0.9 (d) 9
  11. 11.5.79 + 6.8 = ? (a) 12.59 (b) 12.69 (c) 12.49 (d) 6.47
  12. 12.9.61 + 6.4 = ? (a) 16.01 (b) 16.11 (c) 10.25 (d) 15.91
  13. 13.2.87 + 2.3 = ? (a) 5.07 (b) 5.17 (c) 3.1 (d) 5.27
  14. 14.Which is the smallest: 0.77, 0.031, 0.698, 0.7? (a) 0.77 (b) 0.031 (c) 0.698 (d) 0.7
  15. 15.What is the value of the digit 4 in 46.981? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  16. 16.8.55 + 9.8 = ? (a) 9.53 (b) 18.35 (c) 18.25 (d) 18.45
  17. 17.What is the value of the digit 3 in 97.345? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  18. 18.1.01 + 6.2 = ? (a) 1.63 (b) 7.21 (c) 7.31 (d) 7.11
  19. 19.3.54 + 1.8 = ? (a) 3.72 (b) 5.44 (c) 5.24 (d) 5.34
  20. 20.What is the value of the digit 1 in 15.237? (a) 10 (b) 0.01 (c) 1 (d) 0.1
  21. 21.What is the value of the digit 7 in 37.289? (a) 7 (b) 70 (c) 0.7 (d) 0.07
  22. 22.What is the value of the digit 6 in 34.682? (a) 0.06 (b) 0.006 (c) 0.6 (d) 6
  23. 23.2.87 + 5.6 = ? (a) 8.37 (b) 8.57 (c) 3.43 (d) 8.47
  24. 24.Which is the smallest: 0.75, 0.092, 0.7, 0.624? (a) 0.75 (b) 0.092 (c) 0.7 (d) 0.624
  25. 25.6.14 + 2.4 = ? (a) 8.64 (b) 6.38 (c) 8.54 (d) 8.44
  26. 26.3.78 + 4.9 = ? (a) 8.68 (b) 8.78 (c) 8.58 (d) 4.27
  27. 27.What is the value of the digit 8 in 63.851? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  28. 28.5.32 + 4.3 = ? (a) 9.62 (b) 9.72 (c) 5.75 (d) 9.52
  29. 29.3.04 + 6.4 = ? (a) 9.54 (b) 3.68 (c) 9.44 (d) 9.34
  30. 30.What is the value of the digit 8 in 82.145? (a) 8 (b) 0.08 (c) 0.8 (d) 80
  31. 31.Which is the smallest: 0.4, 0.44, 0.384, 0.032? (a) 0.4 (b) 0.44 (c) 0.384 (d) 0.032
  32. 32.4.77 + 8.5 = ? (a) 13.27 (b) 13.37 (c) 13.17 (d) 5.62
  33. 33.Which is the greatest: 0.6, 0.072, 0.62, 0.553? (a) 0.6 (b) 0.072 (c) 0.62 (d) 0.553
  34. 34.9.75 + 7.4 = ? (a) 17.15 (b) 10.49 (c) 17.05 (d) 17.25
  35. 35.What is the value of the digit 3 in 23.984? (a) 30 (b) 3 (c) 0.03 (d) 0.3
  36. 36.Which is the greatest: 0.248, 0.056, 0.3, 0.37? (a) 0.248 (b) 0.056 (c) 0.3 (d) 0.37
  37. 37.Which is the greatest: 0.726, 0.016, 0.8, 0.88? (a) 0.726 (b) 0.016 (c) 0.8 (d) 0.88
  38. 38.6.51 + 9.5 = ? (a) 16.11 (b) 7.46 (c) 15.91 (d) 16.01
  39. 39.7.59 + 1.8 = ? (a) 9.29 (b) 7.77 (c) 9.39 (d) 9.49
  40. 40.Which is the greatest: 0.34, 0.259, 0.3, 0.075? (a) 0.34 (b) 0.259 (c) 0.3 (d) 0.075

Answer key

  1. 15.79
  2. 0.022
  3. 0.052
  4. 0.044
  5. 14.45
  6. 0.39
  7. 7.02
  8. 13.23
  9. 12.99
  10. 0.09
  11. 12.59
  12. 16.01
  13. 5.17
  14. 0.031
  15. 40
  16. 18.35
  17. 0.3
  18. 7.21
  19. 5.34
  20. 10
  21. 7
  22. 0.6
  23. 8.47
  24. 0.092
  25. 8.54
  26. 8.68
  27. 0.8
  28. 9.62
  29. 9.44
  30. 80
  31. 0.032
  32. 13.27
  33. 0.62
  34. 17.15
  35. 3
  36. 0.37
  37. 0.88
  38. 16.01
  39. 9.39
  40. 0.34

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad