← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 313 · 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. 1.7.17 + 6.6 = ? (a) 7.83 (b) 13.87 (c) 13.67 (d) 13.77
  2. 2.Which is the greatest: 0.022, 0.88, 0.8, 0.759? (a) 0.022 (b) 0.88 (c) 0.8 (d) 0.759
  3. 3.Which is the smallest: 0.28, 0.193, 0.053, 0.2? (a) 0.28 (b) 0.193 (c) 0.053 (d) 0.2
  4. 4.Which is the greatest: 0.048, 0.5, 0.52, 0.459? (a) 0.048 (b) 0.5 (c) 0.52 (d) 0.459
  5. 5.What is the value of the digit 6 in 36.289? (a) 60 (b) 6 (c) 0.06 (d) 0.6
  6. 6.8.52 + 7.7 = ? (a) 16.32 (b) 16.12 (c) 16.22 (d) 9.29
  7. 7.What is the value of the digit 2 in 26.814? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  8. 8.8.08 + 2.3 = ? (a) 8.31 (b) 10.28 (c) 10.38 (d) 10.48
  9. 9.Which is the greatest: 0.783, 0.8, 0.017, 0.89? (a) 0.783 (b) 0.8 (c) 0.017 (d) 0.89
  10. 10.2.98 + 8.7 = ? (a) 11.78 (b) 11.68 (c) 11.58 (d) 3.85
  11. 11.What is the value of the digit 5 in 37.514? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  12. 12.3.35 + 3.8 = ? (a) 7.15 (b) 7.05 (c) 3.73 (d) 7.25
  13. 13.9.97 + 9.9 = ? (a) 19.87 (b) 19.77 (c) 10.96 (d) 19.97
  14. 14.What is the value of the digit 3 in 13.785? (a) 30 (b) 3 (c) 0.03 (d) 0.3
  15. 15.6.91 + 2.1 = ? (a) 7.12 (b) 9.11 (c) 9.01 (d) 8.91
  16. 16.What is the value of the digit 2 in 61.328? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  17. 17.5.34 + 6.4 = ? (a) 5.98 (b) 11.84 (c) 11.74 (d) 11.64
  18. 18.What is the value of the digit 2 in 52.714? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  19. 19.Which is the smallest: 0.013, 0.3, 0.39, 0.246? (a) 0.013 (b) 0.3 (c) 0.39 (d) 0.246
  20. 20.Which is the greatest: 0.172, 0.075, 0.26, 0.2? (a) 0.172 (b) 0.075 (c) 0.26 (d) 0.2
  21. 21.6.78 + 1.2 = ? (a) 7.88 (b) 8.08 (c) 6.9 (d) 7.98
  22. 22.What is the value of the digit 3 in 63.987? (a) 30 (b) 3 (c) 0.3 (d) 0.03
  23. 23.5.12 + 2.1 = ? (a) 7.32 (b) 7.22 (c) 7.12 (d) 5.33
  24. 24.Which is the greatest: 0.5, 0.013, 0.54, 0.465? (a) 0.5 (b) 0.013 (c) 0.54 (d) 0.465
  25. 25.6.24 + 2.7 = ? (a) 6.51 (b) 8.84 (c) 9.04 (d) 8.94
  26. 26.4.07 + 1.6 = ? (a) 4.23 (b) 5.57 (c) 5.77 (d) 5.67
  27. 27.Which is the smallest: 0.7, 0.73, 0.641, 0.052? (a) 0.7 (b) 0.73 (c) 0.641 (d) 0.052
  28. 28.Which is the smallest: 0.083, 0.45, 0.387, 0.4? (a) 0.083 (b) 0.45 (c) 0.387 (d) 0.4
  29. 29.8.23 + 9.2 = ? (a) 17.53 (b) 17.33 (c) 9.15 (d) 17.43
  30. 30.What is the value of the digit 8 in 74.318? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  31. 31.What is the value of the digit 1 in 21.635? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  32. 32.6.75 + 2.3 = ? (a) 8.95 (b) 6.98 (c) 9.15 (d) 9.05
  33. 33.3.66 + 5.5 = ? (a) 9.16 (b) 9.06 (c) 4.21 (d) 9.26
  34. 34.What is the value of the digit 2 in 71.462? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  35. 35.What is the value of the digit 8 in 28.764? (a) 0.8 (b) 80 (c) 8 (d) 0.08
  36. 36.What is the value of the digit 2 in 21.673? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  37. 37.5.33 + 1.9 = ? (a) 7.23 (b) 7.33 (c) 7.13 (d) 5.52
  38. 38.1.07 + 2.2 = ? (a) 3.37 (b) 1.29 (c) 3.17 (d) 3.27
  39. 39.What is the value of the digit 3 in 13.765? (a) 0.03 (b) 30 (c) 3 (d) 0.3
  40. 40.5.41 + 5.6 = ? (a) 11.11 (b) 10.91 (c) 5.97 (d) 11.01

Answer key

  1. 13.77
  2. 0.88
  3. 0.053
  4. 0.52
  5. 6
  6. 16.22
  7. 20
  8. 10.38
  9. 0.89
  10. 11.68
  11. 0.5
  12. 7.15
  13. 19.87
  14. 3
  15. 9.01
  16. 0.02
  17. 11.74
  18. 2
  19. 0.013
  20. 0.26
  21. 7.98
  22. 3
  23. 7.22
  24. 0.54
  25. 8.94
  26. 5.67
  27. 0.052
  28. 0.083
  29. 17.43
  30. 0.008
  31. 1
  32. 9.05
  33. 9.16
  34. 0.002
  35. 8
  36. 20
  37. 7.23
  38. 3.27
  39. 3
  40. 11.01

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