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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 432 · 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: 0.026, 0.441, 0.5, 0.54? (a) 0.026 (b) 0.441 (c) 0.5 (d) 0.54
  2. 2.Which is the greatest: 0.43, 0.354, 0.078, 0.4? (a) 0.43 (b) 0.354 (c) 0.078 (d) 0.4
  3. 3.Which is the greatest: 0.2, 0.038, 0.29, 0.118? (a) 0.2 (b) 0.038 (c) 0.29 (d) 0.118
  4. 4.What is the value of the digit 5 in 53.728? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  5. 5.What is the value of the digit 1 in 12.538? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  6. 6.Which is the greatest: 0.3, 0.044, 0.32, 0.295? (a) 0.3 (b) 0.044 (c) 0.32 (d) 0.295
  7. 7.What is the value of the digit 3 in 51.396? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  8. 8.6.58 + 5.3 = ? (a) 11.88 (b) 11.98 (c) 11.78 (d) 7.11
  9. 9.Which is the smallest: 0.47, 0.345, 0.091, 0.4? (a) 0.47 (b) 0.345 (c) 0.091 (d) 0.4
  10. 10.Which is the greatest: 0.343, 0.063, 0.48, 0.4? (a) 0.343 (b) 0.063 (c) 0.48 (d) 0.4
  11. 11.8.86 + 4.6 = ? (a) 9.32 (b) 13.56 (c) 13.36 (d) 13.46
  12. 12.Which is the smallest: 0.4, 0.387, 0.42, 0.039? (a) 0.4 (b) 0.387 (c) 0.42 (d) 0.039
  13. 13.What is the value of the digit 4 in 34.571? (a) 4 (b) 0.4 (c) 40 (d) 0.04
  14. 14.What is the value of the digit 7 in 32.974? (a) 7 (b) 0.7 (c) 0.07 (d) 0.007
  15. 15.Which is the smallest: 0.546, 0.69, 0.6, 0.045? (a) 0.546 (b) 0.69 (c) 0.6 (d) 0.045
  16. 16.1.55 + 7.6 = ? (a) 2.31 (b) 9.05 (c) 9.15 (d) 9.25
  17. 17.What is the value of the digit 4 in 49.186? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  18. 18.5.04 + 6.7 = ? (a) 11.74 (b) 11.64 (c) 5.71 (d) 11.84
  19. 19.Which is the smallest: 0.59, 0.467, 0.075, 0.5? (a) 0.59 (b) 0.467 (c) 0.075 (d) 0.5
  20. 20.What is the value of the digit 9 in 25.917? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  21. 21.What is the value of the digit 2 in 72.653? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  22. 22.What is the value of the digit 4 in 51.462? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  23. 23.Which is the smallest: 0.622, 0.7, 0.71, 0.045? (a) 0.622 (b) 0.7 (c) 0.71 (d) 0.045
  24. 24.What is the value of the digit 8 in 87.532? (a) 0.8 (b) 0.08 (c) 80 (d) 8
  25. 25.What is the value of the digit 1 in 61.289? (a) 0.1 (b) 10 (c) 0.01 (d) 1
  26. 26.What is the value of the digit 2 in 47.526? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  27. 27.2.23 + 3.1 = ? (a) 5.23 (b) 2.54 (c) 5.33 (d) 5.43
  28. 28.5.13 + 4.2 = ? (a) 9.23 (b) 5.55 (c) 9.33 (d) 9.43
  29. 29.What is the value of the digit 7 in 73.492? (a) 0.7 (b) 0.07 (c) 70 (d) 7
  30. 30.1.76 + 9.2 = ? (a) 11.06 (b) 10.96 (c) 10.86 (d) 2.68
  31. 31.Which is the greatest: 0.581, 0.6, 0.62, 0.071? (a) 0.581 (b) 0.6 (c) 0.62 (d) 0.071
  32. 32.What is the value of the digit 6 in 15.826? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  33. 33.What is the value of the digit 2 in 29.743? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  34. 34.Which is the smallest: 0.068, 0.2, 0.28, 0.165? (a) 0.068 (b) 0.2 (c) 0.28 (d) 0.165
  35. 35.6.66 + 9.5 = ? (a) 16.06 (b) 16.16 (c) 16.26 (d) 7.61
  36. 36.What is the value of the digit 7 in 67.924? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  37. 37.3.07 + 1.1 = ? (a) 4.07 (b) 4.27 (c) 3.18 (d) 4.17
  38. 38.8.77 + 7.1 = ? (a) 9.48 (b) 15.87 (c) 15.97 (d) 15.77
  39. 39.What is the value of the digit 8 in 59.138? (a) 0.008 (b) 8 (c) 0.08 (d) 0.8
  40. 40.Which is the greatest: 0.412, 0.57, 0.5, 0.046? (a) 0.412 (b) 0.57 (c) 0.5 (d) 0.046

Answer key

  1. 0.026
  2. 0.43
  3. 0.29
  4. 50
  5. 10
  6. 0.32
  7. 0.3
  8. 11.88
  9. 0.091
  10. 0.48
  11. 13.46
  12. 0.039
  13. 4
  14. 0.07
  15. 0.045
  16. 9.15
  17. 40
  18. 11.74
  19. 0.075
  20. 0.9
  21. 2
  22. 0.4
  23. 0.045
  24. 80
  25. 1
  26. 0.02
  27. 5.33
  28. 9.33
  29. 70
  30. 10.96
  31. 0.62
  32. 0.006
  33. 20
  34. 0.068
  35. 16.16
  36. 7
  37. 4.17
  38. 15.87
  39. 0.008
  40. 0.57

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