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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 131 · 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. 1.5.89 + 7.4 = ? (a) 13.39 (b) 6.63 (c) 13.19 (d) 13.29
  2. 2.What is the value of the digit 6 in 98.564? (a) 0.6 (b) 0.06 (c) 0.006 (d) 6
  3. 3.4.62 + 9.7 = ? (a) 14.32 (b) 5.59 (c) 14.22 (d) 14.42
  4. 4.What is the value of the digit 3 in 94.231? (a) 0.03 (b) 0.003 (c) 0.3 (d) 3
  5. 5.5.65 + 4.5 = ? (a) 10.25 (b) 6.1 (c) 10.15 (d) 10.05
  6. 6.Which is the greatest: 0.369, 0.4, 0.044, 0.47? (a) 0.369 (b) 0.4 (c) 0.044 (d) 0.47
  7. 7.What is the value of the digit 6 in 93.267? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  8. 8.2.47 + 8.2 = ? (a) 10.67 (b) 10.57 (c) 10.77 (d) 3.29
  9. 9.What is the value of the digit 1 in 13.459? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  10. 10.What is the value of the digit 9 in 52.419? (a) 0.009 (b) 0.09 (c) 9 (d) 0.9
  11. 11.What is the value of the digit 1 in 64.915? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  12. 12.Which is the greatest: 0.42, 0.035, 0.4, 0.371? (a) 0.42 (b) 0.035 (c) 0.4 (d) 0.371
  13. 13.9.59 + 7.4 = ? (a) 17.09 (b) 16.89 (c) 10.33 (d) 16.99
  14. 14.9.04 + 4.7 = ? (a) 13.84 (b) 13.74 (c) 13.64 (d) 9.51
  15. 15.8.96 + 9.6 = ? (a) 18.66 (b) 18.56 (c) 9.92 (d) 18.46
  16. 16.Which is the greatest: 0.5, 0.51, 0.487, 0.045? (a) 0.5 (b) 0.51 (c) 0.487 (d) 0.045
  17. 17.What is the value of the digit 7 in 58.217? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  18. 18.What is the value of the digit 6 in 25.986? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  19. 19.6.21 + 1.6 = ? (a) 7.81 (b) 6.37 (c) 7.91 (d) 7.71
  20. 20.9.21 + 6.1 = ? (a) 9.82 (b) 15.21 (c) 15.31 (d) 15.41
  21. 21.7.22 + 9.4 = ? (a) 16.52 (b) 16.62 (c) 16.72 (d) 8.16
  22. 22.Which is the greatest: 0.079, 0.483, 0.5, 0.51? (a) 0.079 (b) 0.483 (c) 0.5 (d) 0.51
  23. 23.Which is the greatest: 0.87, 0.725, 0.037, 0.8? (a) 0.87 (b) 0.725 (c) 0.037 (d) 0.8
  24. 24.7.57 + 2.7 = ? (a) 7.84 (b) 10.27 (c) 10.17 (d) 10.37
  25. 25.What is the value of the digit 9 in 82.941? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  26. 26.9.25 + 6.2 = ? (a) 15.35 (b) 15.55 (c) 15.45 (d) 9.87
  27. 27.Which is the smallest: 0.083, 0.2, 0.183, 0.29? (a) 0.083 (b) 0.2 (c) 0.183 (d) 0.29
  28. 28.9.31 + 4.9 = ? (a) 14.21 (b) 14.11 (c) 14.31 (d) 9.8
  29. 29.Which is the greatest: 0.55, 0.485, 0.5, 0.087? (a) 0.55 (b) 0.485 (c) 0.5 (d) 0.087
  30. 30.Which is the greatest: 0.3, 0.053, 0.258, 0.33? (a) 0.3 (b) 0.053 (c) 0.258 (d) 0.33
  31. 31.3.04 + 8.8 = ? (a) 11.84 (b) 11.74 (c) 11.94 (d) 3.92
  32. 32.Which is the smallest: 0.446, 0.53, 0.5, 0.093? (a) 0.446 (b) 0.53 (c) 0.5 (d) 0.093
  33. 33.What is the value of the digit 3 in 23.681? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  34. 34.2.16 + 2.7 = ? (a) 4.76 (b) 4.86 (c) 2.43 (d) 4.96
  35. 35.Which is the smallest: 0.625, 0.088, 0.71, 0.7? (a) 0.625 (b) 0.088 (c) 0.71 (d) 0.7
  36. 36.5.74 + 1.3 = ? (a) 6.94 (b) 7.04 (c) 7.14 (d) 5.87
  37. 37.What is the value of the digit 9 in 65.391? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  38. 38.What is the value of the digit 6 in 49.762? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  39. 39.What is the value of the digit 1 in 42.178? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  40. 40.Which is the smallest: 0.5, 0.075, 0.54, 0.439? (a) 0.5 (b) 0.075 (c) 0.54 (d) 0.439

Answer key

  1. 13.29
  2. 0.06
  3. 14.32
  4. 0.03
  5. 10.15
  6. 0.47
  7. 0.06
  8. 10.67
  9. 10
  10. 0.009
  11. 0.01
  12. 0.42
  13. 16.99
  14. 13.74
  15. 18.56
  16. 0.51
  17. 0.007
  18. 0.006
  19. 7.81
  20. 15.31
  21. 16.62
  22. 0.51
  23. 0.87
  24. 10.27
  25. 0.9
  26. 15.45
  27. 0.083
  28. 14.21
  29. 0.55
  30. 0.33
  31. 11.84
  32. 0.093
  33. 3
  34. 4.86
  35. 0.088
  36. 7.04
  37. 0.09
  38. 0.06
  39. 0.1
  40. 0.075

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