← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 523 · 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. 1.6.43 + 3.5 = ? (a) 9.83 (b) 10.03 (c) 9.93 (d) 6.78
  2. 2.1.97 + 4.1 = ? (a) 5.97 (b) 6.07 (c) 6.17 (d) 2.38
  3. 3.Which is the smallest: 0.667, 0.75, 0.7, 0.035? (a) 0.667 (b) 0.75 (c) 0.7 (d) 0.035
  4. 4.Which is the greatest: 0.094, 0.21, 0.2, 0.194? (a) 0.094 (b) 0.21 (c) 0.2 (d) 0.194
  5. 5.Which is the greatest: 0.584, 0.64, 0.6, 0.026? (a) 0.584 (b) 0.64 (c) 0.6 (d) 0.026
  6. 6.Which is the greatest: 0.7, 0.662, 0.066, 0.75? (a) 0.7 (b) 0.662 (c) 0.066 (d) 0.75
  7. 7.What is the value of the digit 4 in 27.894? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  8. 8.What is the value of the digit 6 in 15.296? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  9. 9.9.78 + 7.8 = ? (a) 17.58 (b) 17.48 (c) 10.56 (d) 17.68
  10. 10.What is the value of the digit 4 in 45.728? (a) 0.04 (b) 40 (c) 0.4 (d) 4
  11. 11.2.09 + 2.2 = ? (a) 2.31 (b) 4.39 (c) 4.19 (d) 4.29
  12. 12.8.51 + 9.8 = ? (a) 18.41 (b) 18.21 (c) 18.31 (d) 9.49
  13. 13.Which is the greatest: 0.177, 0.28, 0.2, 0.081? (a) 0.177 (b) 0.28 (c) 0.2 (d) 0.081
  14. 14.1.15 + 5.6 = ? (a) 6.75 (b) 6.65 (c) 1.71 (d) 6.85
  15. 15.What is the value of the digit 8 in 54.381? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  16. 16.8.19 + 8.4 = ? (a) 16.69 (b) 9.03 (c) 16.59 (d) 16.49
  17. 17.4.45 + 2.9 = ? (a) 7.25 (b) 7.35 (c) 7.45 (d) 4.74
  18. 18.Which is the greatest: 0.47, 0.059, 0.379, 0.4? (a) 0.47 (b) 0.059 (c) 0.379 (d) 0.4
  19. 19.Which is the greatest: 0.523, 0.69, 0.6, 0.094? (a) 0.523 (b) 0.69 (c) 0.6 (d) 0.094
  20. 20.Which is the smallest: 0.27, 0.2, 0.175, 0.083? (a) 0.27 (b) 0.2 (c) 0.175 (d) 0.083
  21. 21.Which is the greatest: 0.5, 0.433, 0.014, 0.57? (a) 0.5 (b) 0.433 (c) 0.014 (d) 0.57
  22. 22.8.99 + 1.7 = ? (a) 10.69 (b) 9.16 (c) 10.59 (d) 10.79
  23. 23.Which is the greatest: 0.32, 0.3, 0.236, 0.027? (a) 0.32 (b) 0.3 (c) 0.236 (d) 0.027
  24. 24.Which is the greatest: 0.037, 0.361, 0.48, 0.4? (a) 0.037 (b) 0.361 (c) 0.48 (d) 0.4
  25. 25.6.33 + 1.4 = ? (a) 7.83 (b) 7.63 (c) 7.73 (d) 6.47
  26. 26.Which is the smallest: 0.76, 0.689, 0.035, 0.7? (a) 0.76 (b) 0.689 (c) 0.035 (d) 0.7
  27. 27.What is the value of the digit 9 in 79.142? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  28. 28.9.48 + 5.7 = ? (a) 15.08 (b) 10.05 (c) 15.28 (d) 15.18
  29. 29.Which is the greatest: 0.032, 0.76, 0.627, 0.7? (a) 0.032 (b) 0.76 (c) 0.627 (d) 0.7
  30. 30.5.19 + 2.7 = ? (a) 7.89 (b) 5.46 (c) 7.99 (d) 7.79
  31. 31.Which is the greatest: 0.85, 0.8, 0.043, 0.767? (a) 0.85 (b) 0.8 (c) 0.043 (d) 0.767
  32. 32.What is the value of the digit 2 in 72.416? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  33. 33.What is the value of the digit 7 in 29.573? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  34. 34.8.27 + 7.4 = ? (a) 15.57 (b) 15.67 (c) 9.01 (d) 15.77
  35. 35.9.88 + 3.6 = ? (a) 13.48 (b) 10.24 (c) 13.38 (d) 13.58
  36. 36.What is the value of the digit 7 in 47.351? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  37. 37.7.37 + 7.1 = ? (a) 14.57 (b) 8.08 (c) 14.47 (d) 14.37
  38. 38.What is the value of the digit 8 in 28.634? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  39. 39.What is the value of the digit 4 in 24.359? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  40. 40.What is the value of the digit 7 in 35.728? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7

Answer key

  1. 9.93
  2. 6.07
  3. 0.035
  4. 0.21
  5. 0.64
  6. 0.75
  7. 0.004
  8. 0.006
  9. 17.58
  10. 40
  11. 4.29
  12. 18.31
  13. 0.28
  14. 6.75
  15. 0.08
  16. 16.59
  17. 7.35
  18. 0.47
  19. 0.69
  20. 0.083
  21. 0.57
  22. 10.69
  23. 0.32
  24. 0.48
  25. 7.73
  26. 0.035
  27. 9
  28. 15.18
  29. 0.76
  30. 7.89
  31. 0.85
  32. 2
  33. 0.07
  34. 15.67
  35. 13.48
  36. 7
  37. 14.47
  38. 8
  39. 4
  40. 0.7

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