← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 515 · 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. 1.9.88 + 7.3 = ? (a) 17.08 (b) 17.18 (c) 17.28 (d) 10.61
  2. 2.Which is the greatest: 0.5, 0.079, 0.432, 0.56? (a) 0.5 (b) 0.079 (c) 0.432 (d) 0.56
  3. 3.Which is the greatest: 0.114, 0.062, 0.24, 0.2? (a) 0.114 (b) 0.062 (c) 0.24 (d) 0.2
  4. 4.9.27 + 9.2 = ? (a) 18.37 (b) 10.19 (c) 18.47 (d) 18.57
  5. 5.What is the value of the digit 4 in 95.742? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  6. 6.1.55 + 6.4 = ? (a) 2.19 (b) 8.05 (c) 7.95 (d) 7.85
  7. 7.What is the value of the digit 6 in 62.453? (a) 6 (b) 60 (c) 0.06 (d) 0.6
  8. 8.Which is the greatest: 0.011, 0.496, 0.5, 0.57? (a) 0.011 (b) 0.496 (c) 0.5 (d) 0.57
  9. 9.What is the value of the digit 8 in 96.812? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  10. 10.Which is the greatest: 0.037, 0.117, 0.2, 0.24? (a) 0.037 (b) 0.117 (c) 0.2 (d) 0.24
  11. 11.Which is the greatest: 0.028, 0.77, 0.627, 0.7? (a) 0.028 (b) 0.77 (c) 0.627 (d) 0.7
  12. 12.Which is the greatest: 0.85, 0.8, 0.777, 0.014? (a) 0.85 (b) 0.8 (c) 0.777 (d) 0.014
  13. 13.Which is the greatest: 0.47, 0.389, 0.066, 0.4? (a) 0.47 (b) 0.389 (c) 0.066 (d) 0.4
  14. 14.5.43 + 5.1 = ? (a) 10.53 (b) 10.63 (c) 10.43 (d) 5.94
  15. 15.6.15 + 2.1 = ? (a) 6.36 (b) 8.15 (c) 8.35 (d) 8.25
  16. 16.What is the value of the digit 4 in 24.698? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  17. 17.Which is the smallest: 0.2, 0.027, 0.165, 0.28? (a) 0.2 (b) 0.027 (c) 0.165 (d) 0.28
  18. 18.6.31 + 3.9 = ? (a) 10.11 (b) 10.21 (c) 10.31 (d) 6.7
  19. 19.What is the value of the digit 5 in 31.857? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  20. 20.8.99 + 3.3 = ? (a) 12.39 (b) 12.19 (c) 9.32 (d) 12.29
  21. 21.What is the value of the digit 2 in 94.823? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  22. 22.What is the value of the digit 7 in 94.876? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  23. 23.What is the value of the digit 8 in 89.723? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  24. 24.Which is the smallest: 0.018, 0.119, 0.2, 0.24? (a) 0.018 (b) 0.119 (c) 0.2 (d) 0.24
  25. 25.What is the value of the digit 4 in 49.251? (a) 40 (b) 0.4 (c) 4 (d) 0.04
  26. 26.What is the value of the digit 5 in 82.591? (a) 0.05 (b) 5 (c) 0.005 (d) 0.5
  27. 27.What is the value of the digit 8 in 85.971? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  28. 28.What is the value of the digit 9 in 89.574? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  29. 29.What is the value of the digit 7 in 65.784? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  30. 30.7.71 + 7.5 = ? (a) 15.11 (b) 15.31 (c) 15.21 (d) 8.46
  31. 31.Which is the greatest: 0.68, 0.6, 0.586, 0.057? (a) 0.68 (b) 0.6 (c) 0.586 (d) 0.057
  32. 32.4.98 + 7.7 = ? (a) 5.75 (b) 12.68 (c) 12.58 (d) 12.78
  33. 33.Which is the greatest: 0.436, 0.59, 0.095, 0.5? (a) 0.436 (b) 0.59 (c) 0.095 (d) 0.5
  34. 34.What is the value of the digit 5 in 18.375? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  35. 35.Which is the greatest: 0.215, 0.3, 0.32, 0.032? (a) 0.215 (b) 0.3 (c) 0.32 (d) 0.032
  36. 36.2.96 + 9.4 = ? (a) 12.46 (b) 12.26 (c) 3.9 (d) 12.36
  37. 37.Which is the greatest: 0.218, 0.091, 0.3, 0.38? (a) 0.218 (b) 0.091 (c) 0.3 (d) 0.38
  38. 38.What is the value of the digit 1 in 25.914? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  39. 39.Which is the smallest: 0.682, 0.082, 0.79, 0.7? (a) 0.682 (b) 0.082 (c) 0.79 (d) 0.7
  40. 40.6.63 + 8.7 = ? (a) 15.23 (b) 15.43 (c) 7.5 (d) 15.33

Answer key

  1. 17.18
  2. 0.56
  3. 0.24
  4. 18.47
  5. 0.04
  6. 7.95
  7. 60
  8. 0.57
  9. 0.8
  10. 0.24
  11. 0.77
  12. 0.85
  13. 0.47
  14. 10.53
  15. 8.25
  16. 4
  17. 0.027
  18. 10.21
  19. 0.05
  20. 12.29
  21. 0.02
  22. 0.07
  23. 80
  24. 0.018
  25. 40
  26. 0.5
  27. 80
  28. 9
  29. 0.7
  30. 15.21
  31. 0.68
  32. 12.68
  33. 0.59
  34. 0.005
  35. 0.32
  36. 12.36
  37. 0.38
  38. 0.01
  39. 0.082
  40. 15.33

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