← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 749 · 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. 1.6.16 + 5.9 = ? (a) 12.16 (b) 11.96 (c) 6.75 (d) 12.06
  2. 2.What is the value of the digit 4 in 86.432? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  3. 3.What is the value of the digit 1 in 24.319? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  4. 4.Which is the greatest: 0.347, 0.44, 0.4, 0.092? (a) 0.347 (b) 0.44 (c) 0.4 (d) 0.092
  5. 5.What is the value of the digit 1 in 58.371? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  6. 6.What is the value of the digit 2 in 51.327? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  7. 7.Which is the greatest: 0.312, 0.4, 0.41, 0.065? (a) 0.312 (b) 0.4 (c) 0.41 (d) 0.065
  8. 8.4.23 + 7.8 = ? (a) 11.93 (b) 12.13 (c) 5.01 (d) 12.03
  9. 9.2.81 + 4.2 = ? (a) 6.91 (b) 7.11 (c) 7.01 (d) 3.23
  10. 10.Which is the greatest: 0.084, 0.26, 0.168, 0.2? (a) 0.084 (b) 0.26 (c) 0.168 (d) 0.2
  11. 11.Which is the smallest: 0.029, 0.525, 0.66, 0.6? (a) 0.029 (b) 0.525 (c) 0.66 (d) 0.6
  12. 12.2.62 + 6.1 = ? (a) 8.82 (b) 8.62 (c) 8.72 (d) 3.23
  13. 13.What is the value of the digit 5 in 19.857? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  14. 14.Which is the smallest: 0.8, 0.766, 0.88, 0.038? (a) 0.8 (b) 0.766 (c) 0.88 (d) 0.038
  15. 15.What is the value of the digit 1 in 87.512? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  16. 16.2.97 + 8.3 = ? (a) 11.27 (b) 11.37 (c) 11.17 (d) 3.8
  17. 17.What is the value of the digit 8 in 49.528? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  18. 18.Which is the smallest: 0.5, 0.59, 0.419, 0.051? (a) 0.5 (b) 0.59 (c) 0.419 (d) 0.051
  19. 19.3.61 + 4.1 = ? (a) 7.71 (b) 7.81 (c) 4.02 (d) 7.61
  20. 20.2.05 + 7.9 = ? (a) 10.05 (b) 2.84 (c) 9.85 (d) 9.95
  21. 21.Which is the smallest: 0.8, 0.738, 0.066, 0.83? (a) 0.8 (b) 0.738 (c) 0.066 (d) 0.83
  22. 22.9.83 + 3.2 = ? (a) 13.03 (b) 12.93 (c) 13.13 (d) 10.15
  23. 23.What is the value of the digit 8 in 56.487? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  24. 24.3.31 + 3.5 = ? (a) 6.81 (b) 6.71 (c) 3.66 (d) 6.91
  25. 25.What is the value of the digit 4 in 42.718? (a) 40 (b) 0.4 (c) 4 (d) 0.04
  26. 26.6.73 + 5.1 = ? (a) 7.24 (b) 11.73 (c) 11.93 (d) 11.83
  27. 27.6.64 + 1.1 = ? (a) 7.64 (b) 6.75 (c) 7.74 (d) 7.84
  28. 28.6.21 + 8.3 = ? (a) 7.04 (b) 14.41 (c) 14.51 (d) 14.61
  29. 29.4.64 + 1.2 = ? (a) 5.74 (b) 4.76 (c) 5.84 (d) 5.94
  30. 30.What is the value of the digit 9 in 84.915? (a) 0.009 (b) 9 (c) 0.09 (d) 0.9
  31. 31.Which is the greatest: 0.037, 0.2, 0.21, 0.136? (a) 0.037 (b) 0.2 (c) 0.21 (d) 0.136
  32. 32.Which is the smallest: 0.8, 0.771, 0.86, 0.057? (a) 0.8 (b) 0.771 (c) 0.86 (d) 0.057
  33. 33.1.72 + 6.1 = ? (a) 7.72 (b) 2.33 (c) 7.82 (d) 7.92
  34. 34.What is the value of the digit 3 in 32.489? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  35. 35.9.51 + 3.5 = ? (a) 12.91 (b) 13.01 (c) 13.11 (d) 9.86
  36. 36.3.32 + 2.7 = ? (a) 6.02 (b) 5.92 (c) 3.59 (d) 6.12
  37. 37.What is the value of the digit 6 in 91.265? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  38. 38.Which is the greatest: 0.6, 0.63, 0.021, 0.541? (a) 0.6 (b) 0.63 (c) 0.021 (d) 0.541
  39. 39.What is the value of the digit 3 in 38.417? (a) 30 (b) 3 (c) 0.3 (d) 0.03
  40. 40.Which is the greatest: 0.086, 0.482, 0.51, 0.5? (a) 0.086 (b) 0.482 (c) 0.51 (d) 0.5

Answer key

  1. 12.06
  2. 0.4
  3. 0.01
  4. 0.44
  5. 0.001
  6. 0.02
  7. 0.41
  8. 12.03
  9. 7.01
  10. 0.26
  11. 0.029
  12. 8.72
  13. 0.05
  14. 0.038
  15. 0.01
  16. 11.27
  17. 0.008
  18. 0.051
  19. 7.71
  20. 9.95
  21. 0.066
  22. 13.03
  23. 0.08
  24. 6.81
  25. 40
  26. 11.83
  27. 7.74
  28. 14.51
  29. 5.84
  30. 0.9
  31. 0.21
  32. 0.057
  33. 7.82
  34. 30
  35. 13.01
  36. 6.02
  37. 0.06
  38. 0.63
  39. 30
  40. 0.51

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