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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 925 · 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.Which is the smallest: 0.69, 0.031, 0.6, 0.518? (a) 0.69 (b) 0.031 (c) 0.6 (d) 0.518
  2. 2.Which is the greatest: 0.617, 0.71, 0.7, 0.055? (a) 0.617 (b) 0.71 (c) 0.7 (d) 0.055
  3. 3.What is the value of the digit 7 in 82.537? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  4. 4.Which is the greatest: 0.42, 0.4, 0.346, 0.093? (a) 0.42 (b) 0.4 (c) 0.346 (d) 0.093
  5. 5.Which is the greatest: 0.64, 0.097, 0.514, 0.6? (a) 0.64 (b) 0.097 (c) 0.514 (d) 0.6
  6. 6.1.44 + 1.9 = ? (a) 3.24 (b) 1.63 (c) 3.44 (d) 3.34
  7. 7.Which is the smallest: 0.2, 0.23, 0.116, 0.071? (a) 0.2 (b) 0.23 (c) 0.116 (d) 0.071
  8. 8.What is the value of the digit 9 in 19.632? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  9. 9.Which is the greatest: 0.8, 0.748, 0.89, 0.063? (a) 0.8 (b) 0.748 (c) 0.89 (d) 0.063
  10. 10.Which is the greatest: 0.048, 0.6, 0.69, 0.538? (a) 0.048 (b) 0.6 (c) 0.69 (d) 0.538
  11. 11.Which is the smallest: 0.34, 0.265, 0.3, 0.087? (a) 0.34 (b) 0.265 (c) 0.3 (d) 0.087
  12. 12.Which is the greatest: 0.77, 0.7, 0.635, 0.041? (a) 0.77 (b) 0.7 (c) 0.635 (d) 0.041
  13. 13.Which is the greatest: 0.082, 0.8, 0.86, 0.752? (a) 0.082 (b) 0.8 (c) 0.86 (d) 0.752
  14. 14.What is the value of the digit 1 in 82.159? (a) 0.01 (b) 1 (c) 0.1 (d) 0.001
  15. 15.5.47 + 3.2 = ? (a) 8.57 (b) 8.67 (c) 5.79 (d) 8.77
  16. 16.Which is the greatest: 0.192, 0.25, 0.089, 0.2? (a) 0.192 (b) 0.25 (c) 0.089 (d) 0.2
  17. 17.Which is the smallest: 0.553, 0.042, 0.6, 0.61? (a) 0.553 (b) 0.042 (c) 0.6 (d) 0.61
  18. 18.1.96 + 1.5 = ? (a) 3.36 (b) 2.11 (c) 3.46 (d) 3.56
  19. 19.What is the value of the digit 3 in 39.654? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  20. 20.3.38 + 3.1 = ? (a) 3.69 (b) 6.58 (c) 6.48 (d) 6.38
  21. 21.Which is the smallest: 0.29, 0.2, 0.118, 0.032? (a) 0.29 (b) 0.2 (c) 0.118 (d) 0.032
  22. 22.What is the value of the digit 6 in 62.359? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  23. 23.5.82 + 7.1 = ? (a) 12.92 (b) 6.53 (c) 13.02 (d) 12.82
  24. 24.1.63 + 2.8 = ? (a) 4.53 (b) 4.33 (c) 4.43 (d) 1.91
  25. 25.What is the value of the digit 5 in 59.184? (a) 50 (b) 5 (c) 0.5 (d) 0.05
  26. 26.What is the value of the digit 2 in 39.268? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  27. 27.Which is the greatest: 0.482, 0.5, 0.039, 0.57? (a) 0.482 (b) 0.5 (c) 0.039 (d) 0.57
  28. 28.1.71 + 3.1 = ? (a) 4.71 (b) 2.02 (c) 4.81 (d) 4.91
  29. 29.Which is the smallest: 0.039, 0.2, 0.22, 0.122? (a) 0.039 (b) 0.2 (c) 0.22 (d) 0.122
  30. 30.3.51 + 1.1 = ? (a) 4.61 (b) 3.62 (c) 4.51 (d) 4.71
  31. 31.Which is the greatest: 0.765, 0.021, 0.8, 0.84? (a) 0.765 (b) 0.021 (c) 0.8 (d) 0.84
  32. 32.What is the value of the digit 8 in 67.893? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  33. 33.What is the value of the digit 5 in 52.864? (a) 5 (b) 0.05 (c) 50 (d) 0.5
  34. 34.3.32 + 2.1 = ? (a) 5.52 (b) 3.53 (c) 5.32 (d) 5.42
  35. 35.1.28 + 6.9 = ? (a) 1.97 (b) 8.28 (c) 8.08 (d) 8.18
  36. 36.What is the value of the digit 3 in 32.548? (a) 0.03 (b) 3 (c) 30 (d) 0.3
  37. 37.What is the value of the digit 8 in 47.852? (a) 0.8 (b) 0.008 (c) 0.08 (d) 8
  38. 38.9.64 + 3.7 = ? (a) 13.24 (b) 13.44 (c) 13.34 (d) 10.01
  39. 39.Which is the smallest: 0.026, 0.68, 0.514, 0.6? (a) 0.026 (b) 0.68 (c) 0.514 (d) 0.6
  40. 40.What is the value of the digit 6 in 16.895? (a) 60 (b) 6 (c) 0.06 (d) 0.6

Answer key

  1. 0.031
  2. 0.71
  3. 0.007
  4. 0.42
  5. 0.64
  6. 3.34
  7. 0.071
  8. 9
  9. 0.89
  10. 0.69
  11. 0.087
  12. 0.77
  13. 0.86
  14. 0.1
  15. 8.67
  16. 0.25
  17. 0.042
  18. 3.46
  19. 30
  20. 6.48
  21. 0.032
  22. 60
  23. 12.92
  24. 4.43
  25. 50
  26. 0.2
  27. 0.57
  28. 4.81
  29. 0.039
  30. 4.61
  31. 0.84
  32. 0.8
  33. 50
  34. 5.42
  35. 8.18
  36. 30
  37. 0.8
  38. 13.34
  39. 0.026
  40. 6

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