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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 237 · 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.What is the value of the digit 8 in 48.371? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  2. 2.What is the value of the digit 6 in 56.742? (a) 0.6 (b) 0.06 (c) 60 (d) 6
  3. 3.2.87 + 1.1 = ? (a) 3.87 (b) 4.07 (c) 3.97 (d) 2.98
  4. 4.What is the value of the digit 3 in 59.438? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  5. 5.2.93 + 9.6 = ? (a) 12.63 (b) 12.53 (c) 12.43 (d) 3.89
  6. 6.What is the value of the digit 5 in 85.792? (a) 5 (b) 0.5 (c) 50 (d) 0.05
  7. 7.Which is the greatest: 0.644, 0.064, 0.76, 0.7? (a) 0.644 (b) 0.064 (c) 0.76 (d) 0.7
  8. 8.2.91 + 5.5 = ? (a) 8.31 (b) 8.41 (c) 3.46 (d) 8.51
  9. 9.Which is the smallest: 0.26, 0.033, 0.122, 0.2? (a) 0.26 (b) 0.033 (c) 0.122 (d) 0.2
  10. 10.Which is the greatest: 0.31, 0.236, 0.031, 0.3? (a) 0.31 (b) 0.236 (c) 0.031 (d) 0.3
  11. 11.Which is the smallest: 0.65, 0.6, 0.529, 0.069? (a) 0.65 (b) 0.6 (c) 0.529 (d) 0.069
  12. 12.What is the value of the digit 1 in 73.189? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  13. 13.3.54 + 2.5 = ? (a) 6.14 (b) 6.04 (c) 5.94 (d) 3.79
  14. 14.What is the value of the digit 2 in 23.148? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  15. 15.3.17 + 8.2 = ? (a) 11.47 (b) 11.27 (c) 3.99 (d) 11.37
  16. 16.Which is the smallest: 0.077, 0.267, 0.3, 0.37? (a) 0.077 (b) 0.267 (c) 0.3 (d) 0.37
  17. 17.What is the value of the digit 9 in 97.643? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  18. 18.What is the value of the digit 6 in 94.768? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  19. 19.What is the value of the digit 6 in 96.278? (a) 60 (b) 0.6 (c) 6 (d) 0.06
  20. 20.What is the value of the digit 2 in 63.712? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  21. 21.3.14 + 6.4 = ? (a) 3.78 (b) 9.44 (c) 9.64 (d) 9.54
  22. 22.8.94 + 5.7 = ? (a) 14.54 (b) 14.64 (c) 14.74 (d) 9.51
  23. 23.4.82 + 9.3 = ? (a) 14.12 (b) 5.75 (c) 14.02 (d) 14.22
  24. 24.9.27 + 6.6 = ? (a) 15.77 (b) 9.93 (c) 15.97 (d) 15.87
  25. 25.What is the value of the digit 2 in 35.267? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  26. 26.Which is the greatest: 0.4, 0.46, 0.378, 0.064? (a) 0.4 (b) 0.46 (c) 0.378 (d) 0.064
  27. 27.1.94 + 2.1 = ? (a) 4.04 (b) 4.14 (c) 3.94 (d) 2.15
  28. 28.4.89 + 6.6 = ? (a) 11.59 (b) 5.55 (c) 11.39 (d) 11.49
  29. 29.Which is the greatest: 0.4, 0.398, 0.092, 0.41? (a) 0.4 (b) 0.398 (c) 0.092 (d) 0.41
  30. 30.Which is the greatest: 0.034, 0.38, 0.3, 0.288? (a) 0.034 (b) 0.38 (c) 0.3 (d) 0.288
  31. 31.Which is the greatest: 0.39, 0.3, 0.054, 0.237? (a) 0.39 (b) 0.3 (c) 0.054 (d) 0.237
  32. 32.Which is the greatest: 0.6, 0.093, 0.61, 0.588? (a) 0.6 (b) 0.093 (c) 0.61 (d) 0.588
  33. 33.6.54 + 6.1 = ? (a) 7.15 (b) 12.64 (c) 12.54 (d) 12.74
  34. 34.6.88 + 9.9 = ? (a) 7.87 (b) 16.68 (c) 16.88 (d) 16.78
  35. 35.Which is the greatest: 0.058, 0.5, 0.458, 0.58? (a) 0.058 (b) 0.5 (c) 0.458 (d) 0.58
  36. 36.Which is the smallest: 0.48, 0.387, 0.083, 0.4? (a) 0.48 (b) 0.387 (c) 0.083 (d) 0.4
  37. 37.What is the value of the digit 7 in 84.716? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  38. 38.3.91 + 7.2 = ? (a) 11.11 (b) 4.63 (c) 11.01 (d) 11.21
  39. 39.What is the value of the digit 2 in 12.694? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  40. 40.Which is the greatest: 0.51, 0.092, 0.482, 0.5? (a) 0.51 (b) 0.092 (c) 0.482 (d) 0.5

Answer key

  1. 8
  2. 6
  3. 3.97
  4. 0.03
  5. 12.53
  6. 5
  7. 0.76
  8. 8.41
  9. 0.033
  10. 0.31
  11. 0.069
  12. 0.1
  13. 6.04
  14. 20
  15. 11.37
  16. 0.077
  17. 90
  18. 0.06
  19. 6
  20. 0.002
  21. 9.54
  22. 14.64
  23. 14.12
  24. 15.87
  25. 0.2
  26. 0.46
  27. 4.04
  28. 11.49
  29. 0.41
  30. 0.38
  31. 0.39
  32. 0.61
  33. 12.64
  34. 16.78
  35. 0.58
  36. 0.083
  37. 0.7
  38. 11.11
  39. 2
  40. 0.51

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