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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 874 · 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 9 in 56.249? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  2. 2.What is the value of the digit 6 in 75.368? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  3. 3.2.34 + 7.8 = ? (a) 10.14 (b) 10.04 (c) 10.24 (d) 3.12
  4. 4.8.15 + 2.5 = ? (a) 10.55 (b) 10.65 (c) 10.75 (d) 8.4
  5. 5.7.68 + 4.5 = ? (a) 12.18 (b) 12.28 (c) 12.08 (d) 8.13
  6. 6.What is the value of the digit 4 in 65.134? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  7. 7.What is the value of the digit 5 in 49.257? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  8. 8.3.75 + 3.7 = ? (a) 4.12 (b) 7.35 (c) 7.55 (d) 7.45
  9. 9.What is the value of the digit 5 in 96.145? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  10. 10.8.87 + 3.7 = ? (a) 9.24 (b) 12.57 (c) 12.47 (d) 12.67
  11. 11.Which is the greatest: 0.592, 0.68, 0.6, 0.093? (a) 0.592 (b) 0.68 (c) 0.6 (d) 0.093
  12. 12.What is the value of the digit 7 in 21.783? (a) 7 (b) 0.7 (c) 0.007 (d) 0.07
  13. 13.Which is the greatest: 0.81, 0.733, 0.068, 0.8? (a) 0.81 (b) 0.733 (c) 0.068 (d) 0.8
  14. 14.Which is the greatest: 0.328, 0.48, 0.044, 0.4? (a) 0.328 (b) 0.48 (c) 0.044 (d) 0.4
  15. 15.4.33 + 2.9 = ? (a) 7.13 (b) 7.33 (c) 7.23 (d) 4.62
  16. 16.3.66 + 8.8 = ? (a) 4.54 (b) 12.46 (c) 12.36 (d) 12.56
  17. 17.4.96 + 7.1 = ? (a) 12.06 (b) 12.16 (c) 11.96 (d) 5.67
  18. 18.Which is the greatest: 0.3, 0.34, 0.255, 0.012? (a) 0.3 (b) 0.34 (c) 0.255 (d) 0.012
  19. 19.Which is the greatest: 0.84, 0.733, 0.069, 0.8? (a) 0.84 (b) 0.733 (c) 0.069 (d) 0.8
  20. 20.Which is the greatest: 0.44, 0.396, 0.034, 0.4? (a) 0.44 (b) 0.396 (c) 0.034 (d) 0.4
  21. 21.Which is the greatest: 0.095, 0.79, 0.7, 0.696? (a) 0.095 (b) 0.79 (c) 0.7 (d) 0.696
  22. 22.What is the value of the digit 7 in 18.276? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  23. 23.What is the value of the digit 7 in 37.521? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  24. 24.Which is the greatest: 0.28, 0.166, 0.091, 0.2? (a) 0.28 (b) 0.166 (c) 0.091 (d) 0.2
  25. 25.3.94 + 9.1 = ? (a) 4.85 (b) 12.94 (c) 13.04 (d) 13.14
  26. 26.What is the value of the digit 9 in 52.849? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  27. 27.8.09 + 6.1 = ? (a) 8.7 (b) 14.09 (c) 14.19 (d) 14.29
  28. 28.Which is the smallest: 0.039, 0.31, 0.288, 0.3? (a) 0.039 (b) 0.31 (c) 0.288 (d) 0.3
  29. 29.What is the value of the digit 5 in 89.523? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  30. 30.Which is the greatest: 0.55, 0.459, 0.5, 0.026? (a) 0.55 (b) 0.459 (c) 0.5 (d) 0.026
  31. 31.3.46 + 1.9 = ? (a) 5.26 (b) 3.65 (c) 5.46 (d) 5.36
  32. 32.What is the value of the digit 1 in 31.954? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  33. 33.Which is the smallest: 0.2, 0.033, 0.22, 0.192? (a) 0.2 (b) 0.033 (c) 0.22 (d) 0.192
  34. 34.What is the value of the digit 8 in 28.914? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  35. 35.What is the value of the digit 5 in 53.147? (a) 50 (b) 0.5 (c) 5 (d) 0.05
  36. 36.1.34 + 4.2 = ? (a) 5.64 (b) 5.44 (c) 5.54 (d) 1.76
  37. 37.5.58 + 4.1 = ? (a) 9.58 (b) 9.78 (c) 9.68 (d) 5.99
  38. 38.What is the value of the digit 7 in 54.731? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  39. 39.Which is the smallest: 0.7, 0.72, 0.088, 0.664? (a) 0.7 (b) 0.72 (c) 0.088 (d) 0.664
  40. 40.Which is the greatest: 0.45, 0.4, 0.068, 0.399? (a) 0.45 (b) 0.4 (c) 0.068 (d) 0.399

Answer key

  1. 0.009
  2. 0.06
  3. 10.14
  4. 10.65
  5. 12.18
  6. 0.004
  7. 0.05
  8. 7.45
  9. 0.005
  10. 12.57
  11. 0.68
  12. 0.7
  13. 0.81
  14. 0.48
  15. 7.23
  16. 12.46
  17. 12.06
  18. 0.34
  19. 0.84
  20. 0.44
  21. 0.79
  22. 0.07
  23. 7
  24. 0.28
  25. 13.04
  26. 0.009
  27. 14.19
  28. 0.039
  29. 0.5
  30. 0.55
  31. 5.36
  32. 1
  33. 0.033
  34. 8
  35. 50
  36. 5.54
  37. 9.68
  38. 0.7
  39. 0.088
  40. 0.45

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