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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 969 · 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 48.271? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  2. 2.What is the value of the digit 7 in 75.826? (a) 7 (b) 0.7 (c) 70 (d) 0.07
  3. 3.1.39 + 7.1 = ? (a) 2.1 (b) 8.49 (c) 8.59 (d) 8.39
  4. 4.What is the value of the digit 6 in 86.195? (a) 6 (b) 0.6 (c) 0.06 (d) 60
  5. 5.6.58 + 2.2 = ? (a) 6.8 (b) 8.88 (c) 8.68 (d) 8.78
  6. 6.Which is the smallest: 0.223, 0.3, 0.35, 0.053? (a) 0.223 (b) 0.3 (c) 0.35 (d) 0.053
  7. 7.1.61 + 8.3 = ? (a) 9.91 (b) 9.81 (c) 2.44 (d) 10.01
  8. 8.What is the value of the digit 8 in 72.831? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  9. 9.7.25 + 9.1 = ? (a) 16.35 (b) 16.25 (c) 8.16 (d) 16.45
  10. 10.What is the value of the digit 1 in 41.625? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  11. 11.What is the value of the digit 6 in 96.172? (a) 0.06 (b) 60 (c) 0.6 (d) 6
  12. 12.What is the value of the digit 6 in 96.352? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  13. 13.1.23 + 1.2 = ? (a) 2.53 (b) 1.35 (c) 2.33 (d) 2.43
  14. 14.3.19 + 8.2 = ? (a) 4.01 (b) 11.39 (c) 11.29 (d) 11.49
  15. 15.6.98 + 7.6 = ? (a) 14.48 (b) 7.74 (c) 14.58 (d) 14.68
  16. 16.Which is the greatest: 0.3, 0.31, 0.077, 0.297? (a) 0.3 (b) 0.31 (c) 0.077 (d) 0.297
  17. 17.What is the value of the digit 8 in 65.184? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  18. 18.8.93 + 3.8 = ? (a) 12.83 (b) 9.31 (c) 12.73 (d) 12.63
  19. 19.What is the value of the digit 8 in 78.139? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  20. 20.What is the value of the digit 2 in 37.295? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  21. 21.Which is the greatest: 0.687, 0.7, 0.77, 0.043? (a) 0.687 (b) 0.7 (c) 0.77 (d) 0.043
  22. 22.What is the value of the digit 8 in 54.783? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  23. 23.Which is the smallest: 0.2, 0.138, 0.29, 0.078? (a) 0.2 (b) 0.138 (c) 0.29 (d) 0.078
  24. 24.What is the value of the digit 6 in 64.518? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  25. 25.Which is the smallest: 0.497, 0.083, 0.5, 0.51? (a) 0.497 (b) 0.083 (c) 0.5 (d) 0.51
  26. 26.What is the value of the digit 9 in 32.941? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  27. 27.What is the value of the digit 4 in 41.283? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  28. 28.What is the value of the digit 1 in 27.518? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  29. 29.What is the value of the digit 4 in 41.627? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  30. 30.What is the value of the digit 5 in 41.529? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  31. 31.What is the value of the digit 7 in 61.732? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  32. 32.4.98 + 2.1 = ? (a) 7.18 (b) 6.98 (c) 7.08 (d) 5.19
  33. 33.3.57 + 4.1 = ? (a) 7.67 (b) 3.98 (c) 7.77 (d) 7.57
  34. 34.Which is the smallest: 0.336, 0.051, 0.4, 0.41? (a) 0.336 (b) 0.051 (c) 0.4 (d) 0.41
  35. 35.What is the value of the digit 5 in 52.461? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  36. 36.Which is the greatest: 0.649, 0.7, 0.072, 0.76? (a) 0.649 (b) 0.7 (c) 0.072 (d) 0.76
  37. 37.1.55 + 5.1 = ? (a) 2.06 (b) 6.75 (c) 6.55 (d) 6.65
  38. 38.Which is the greatest: 0.669, 0.035, 0.73, 0.7? (a) 0.669 (b) 0.035 (c) 0.73 (d) 0.7
  39. 39.What is the value of the digit 9 in 28.759? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  40. 40.8.54 + 7.6 = ? (a) 9.3 (b) 16.24 (c) 16.04 (d) 16.14

Answer key

  1. 8
  2. 70
  3. 8.49
  4. 6
  5. 8.78
  6. 0.053
  7. 9.91
  8. 0.8
  9. 16.35
  10. 1
  11. 6
  12. 6
  13. 2.43
  14. 11.39
  15. 14.58
  16. 0.31
  17. 0.08
  18. 12.73
  19. 8
  20. 0.2
  21. 0.77
  22. 0.08
  23. 0.078
  24. 60
  25. 0.083
  26. 0.9
  27. 40
  28. 0.01
  29. 40
  30. 0.5
  31. 0.7
  32. 7.08
  33. 7.67
  34. 0.051
  35. 50
  36. 0.76
  37. 6.65
  38. 0.73
  39. 0.009
  40. 16.14

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