← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 209 · 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. 1.9.25 + 6.1 = ? (a) 15.25 (b) 15.35 (c) 9.86 (d) 15.45
  2. 2.Which is the greatest: 0.2, 0.063, 0.23, 0.191? (a) 0.2 (b) 0.063 (c) 0.23 (d) 0.191
  3. 3.What is the value of the digit 9 in 29.476? (a) 0.9 (b) 9 (c) 90 (d) 0.09
  4. 4.Which is the smallest: 0.2, 0.25, 0.177, 0.051? (a) 0.2 (b) 0.25 (c) 0.177 (d) 0.051
  5. 5.3.48 + 3.1 = ? (a) 6.48 (b) 3.79 (c) 6.58 (d) 6.68
  6. 6.1.19 + 8.8 = ? (a) 9.89 (b) 10.09 (c) 9.99 (d) 2.07
  7. 7.6.38 + 2.7 = ? (a) 8.98 (b) 9.18 (c) 9.08 (d) 6.65
  8. 8.Which is the greatest: 0.22, 0.165, 0.041, 0.2? (a) 0.22 (b) 0.165 (c) 0.041 (d) 0.2
  9. 9.Which is the smallest: 0.29, 0.2, 0.081, 0.143? (a) 0.29 (b) 0.2 (c) 0.081 (d) 0.143
  10. 10.Which is the smallest: 0.066, 0.5, 0.55, 0.483? (a) 0.066 (b) 0.5 (c) 0.55 (d) 0.483
  11. 11.8.91 + 2.6 = ? (a) 11.41 (b) 11.51 (c) 9.17 (d) 11.61
  12. 12.6.75 + 9.1 = ? (a) 15.95 (b) 15.85 (c) 7.66 (d) 15.75
  13. 13.Which is the greatest: 0.374, 0.43, 0.4, 0.038? (a) 0.374 (b) 0.43 (c) 0.4 (d) 0.038
  14. 14.Which is the greatest: 0.2, 0.29, 0.139, 0.077? (a) 0.2 (b) 0.29 (c) 0.139 (d) 0.077
  15. 15.Which is the greatest: 0.63, 0.6, 0.583, 0.074? (a) 0.63 (b) 0.6 (c) 0.583 (d) 0.074
  16. 16.What is the value of the digit 4 in 84.263? (a) 40 (b) 4 (c) 0.04 (d) 0.4
  17. 17.What is the value of the digit 6 in 15.764? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  18. 18.What is the value of the digit 5 in 15.679? (a) 0.05 (b) 50 (c) 0.5 (d) 5
  19. 19.Which is the greatest: 0.4, 0.359, 0.43, 0.045? (a) 0.4 (b) 0.359 (c) 0.43 (d) 0.045
  20. 20.9.94 + 6.2 = ? (a) 16.04 (b) 16.14 (c) 10.56 (d) 16.24
  21. 21.What is the value of the digit 7 in 29.783? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  22. 22.What is the value of the digit 1 in 69.137? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  23. 23.Which is the greatest: 0.133, 0.2, 0.23, 0.013? (a) 0.133 (b) 0.2 (c) 0.23 (d) 0.013
  24. 24.What is the value of the digit 7 in 75.948? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  25. 25.What is the value of the digit 9 in 81.942? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  26. 26.What is the value of the digit 3 in 73.954? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  27. 27.Which is the greatest: 0.059, 0.88, 0.719, 0.8? (a) 0.059 (b) 0.88 (c) 0.719 (d) 0.8
  28. 28.Which is the smallest: 0.32, 0.3, 0.213, 0.054? (a) 0.32 (b) 0.3 (c) 0.213 (d) 0.054
  29. 29.What is the value of the digit 2 in 23.496? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  30. 30.Which is the smallest: 0.5, 0.51, 0.454, 0.085? (a) 0.5 (b) 0.51 (c) 0.454 (d) 0.085
  31. 31.What is the value of the digit 7 in 27.361? (a) 0.07 (b) 7 (c) 0.7 (d) 70
  32. 32.What is the value of the digit 1 in 27.183? (a) 0.1 (b) 0.01 (c) 0.001 (d) 1
  33. 33.What is the value of the digit 1 in 15.723? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  34. 34.Which is the greatest: 0.32, 0.3, 0.023, 0.248? (a) 0.32 (b) 0.3 (c) 0.023 (d) 0.248
  35. 35.Which is the greatest: 0.072, 0.291, 0.39, 0.3? (a) 0.072 (b) 0.291 (c) 0.39 (d) 0.3
  36. 36.8.05 + 5.5 = ? (a) 8.6 (b) 13.45 (c) 13.65 (d) 13.55
  37. 37.1.72 + 2.1 = ? (a) 3.72 (b) 1.93 (c) 3.82 (d) 3.92
  38. 38.8.88 + 4.3 = ? (a) 13.08 (b) 13.28 (c) 9.31 (d) 13.18
  39. 39.1.32 + 8.6 = ? (a) 9.92 (b) 2.18 (c) 10.02 (d) 9.82
  40. 40.4.61 + 7.7 = ? (a) 12.31 (b) 5.38 (c) 12.41 (d) 12.21

Answer key

  1. 15.35
  2. 0.23
  3. 9
  4. 0.051
  5. 6.58
  6. 9.99
  7. 9.08
  8. 0.22
  9. 0.081
  10. 0.066
  11. 11.51
  12. 15.85
  13. 0.43
  14. 0.29
  15. 0.63
  16. 4
  17. 0.06
  18. 5
  19. 0.43
  20. 16.14
  21. 0.7
  22. 0.1
  23. 0.23
  24. 70
  25. 0.9
  26. 3
  27. 0.88
  28. 0.054
  29. 20
  30. 0.085
  31. 7
  32. 0.1
  33. 10
  34. 0.32
  35. 0.39
  36. 13.55
  37. 3.82
  38. 13.18
  39. 9.92
  40. 12.31

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