Decimals Worksheet for Maths Olympiad Class 5
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
- 1.8.22 + 9.1 = ? (a) 17.22 (b) 17.32 (c) 17.42 (d) 9.13
- 2.What is the value of the digit 6 in 27.645? (a) 0.06 (b) 0.006 (c) 6 (d) 0.6
- 3.4.56 + 8.2 = ? (a) 12.76 (b) 12.66 (c) 5.38 (d) 12.86
- 4.Which is the smallest: 0.81, 0.081, 0.752, 0.8? (a) 0.81 (b) 0.081 (c) 0.752 (d) 0.8
- 5.What is the value of the digit 2 in 12.348? (a) 0.02 (b) 2 (c) 0.2 (d) 20
- 6.What is the value of the digit 9 in 58.291? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
- 7.Which is the smallest: 0.47, 0.4, 0.376, 0.087? (a) 0.47 (b) 0.4 (c) 0.376 (d) 0.087
- 8.4.12 + 5.4 = ? (a) 9.42 (b) 9.62 (c) 9.52 (d) 4.66
- 9.Which is the greatest: 0.2, 0.22, 0.182, 0.028? (a) 0.2 (b) 0.22 (c) 0.182 (d) 0.028
- 10.What is the value of the digit 9 in 19.263? (a) 90 (b) 0.9 (c) 9 (d) 0.09
- 11.What is the value of the digit 8 in 13.528? (a) 8 (b) 0.8 (c) 0.008 (d) 0.08
- 12.2.36 + 5.1 = ? (a) 2.87 (b) 7.46 (c) 7.36 (d) 7.56
- 13.5.42 + 1.1 = ? (a) 6.62 (b) 5.53 (c) 6.52 (d) 6.42
- 14.Which is the greatest: 0.7, 0.79, 0.679, 0.045? (a) 0.7 (b) 0.79 (c) 0.679 (d) 0.045
- 15.1.51 + 5.3 = ? (a) 6.81 (b) 2.04 (c) 6.91 (d) 6.71
- 16.What is the value of the digit 8 in 97.128? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
- 17.Which is the greatest: 0.4, 0.022, 0.42, 0.337? (a) 0.4 (b) 0.022 (c) 0.42 (d) 0.337
- 18.What is the value of the digit 2 in 29.716? (a) 0.02 (b) 20 (c) 0.2 (d) 2
- 19.3.31 + 2.3 = ? (a) 5.51 (b) 5.71 (c) 5.61 (d) 3.54
- 20.What is the value of the digit 7 in 76.132? (a) 7 (b) 0.7 (c) 0.07 (d) 70
- 21.What is the value of the digit 1 in 92.361? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
- 22.4.68 + 2.8 = ? (a) 7.38 (b) 4.96 (c) 7.48 (d) 7.58
- 23.7.72 + 6.9 = ? (a) 14.72 (b) 14.62 (c) 14.52 (d) 8.41
- 24.Which is the smallest: 0.648, 0.71, 0.7, 0.028? (a) 0.648 (b) 0.71 (c) 0.7 (d) 0.028
- 25.1.95 + 5.5 = ? (a) 7.45 (b) 7.55 (c) 2.5 (d) 7.35
- 26.Which is the smallest: 0.072, 0.216, 0.33, 0.3? (a) 0.072 (b) 0.216 (c) 0.33 (d) 0.3
- 27.Which is the smallest: 0.214, 0.012, 0.3, 0.32? (a) 0.214 (b) 0.012 (c) 0.3 (d) 0.32
- 28.Which is the greatest: 0.486, 0.59, 0.045, 0.5? (a) 0.486 (b) 0.59 (c) 0.045 (d) 0.5
- 29.Which is the greatest: 0.024, 0.724, 0.8, 0.85? (a) 0.024 (b) 0.724 (c) 0.8 (d) 0.85
- 30.5.56 + 7.9 = ? (a) 13.36 (b) 13.46 (c) 6.35 (d) 13.56
- 31.Which is the greatest: 0.099, 0.5, 0.467, 0.54? (a) 0.099 (b) 0.5 (c) 0.467 (d) 0.54
- 32.What is the value of the digit 7 in 94.371? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
- 33.8.87 + 6.1 = ? (a) 14.97 (b) 9.48 (c) 14.87 (d) 15.07
- 34.7.38 + 7.3 = ? (a) 14.78 (b) 14.68 (c) 8.11 (d) 14.58
- 35.Which is the smallest: 0.045, 0.237, 0.31, 0.3? (a) 0.045 (b) 0.237 (c) 0.31 (d) 0.3
- 36.Which is the smallest: 0.162, 0.22, 0.035, 0.2? (a) 0.162 (b) 0.22 (c) 0.035 (d) 0.2
- 37.Which is the greatest: 0.072, 0.78, 0.623, 0.7? (a) 0.072 (b) 0.78 (c) 0.623 (d) 0.7
- 38.Which is the smallest: 0.3, 0.238, 0.35, 0.082? (a) 0.3 (b) 0.238 (c) 0.35 (d) 0.082
- 39.9.05 + 2.1 = ? (a) 11.05 (b) 9.26 (c) 11.15 (d) 11.25
- 40.2.01 + 4.3 = ? (a) 6.41 (b) 6.21 (c) 2.44 (d) 6.31
Answer key
- 17.32
- 0.6
- 12.76
- 0.081
- 2
- 0.09
- 0.087
- 9.52
- 0.22
- 9
- 0.008
- 7.46
- 6.52
- 0.79
- 6.81
- 0.008
- 0.42
- 20
- 5.61
- 70
- 0.001
- 7.48
- 14.62
- 0.028
- 7.45
- 0.072
- 0.012
- 0.59
- 0.85
- 13.46
- 0.54
- 0.07
- 14.97
- 14.68
- 0.045
- 0.035
- 0.78
- 0.082
- 11.15
- 6.31
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