Finding fractions
LI: To work out the fraction of a quantity.
a) At a fancy dress party ¼ of the 80 people had costumes. Show how to work out how many people had costumes at the party.
¼ of 80 = 20
80 ÷ 4 = 20
20 x 10 = 20
Answer: 20
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b) ⅔ of the class of 24 students owned cell phones. Show how to work out how many students in the class owned cell phones.
⅔ of 24 = 16
24 ÷ 3 = 8
8 x 2 = 16
Answer: 16
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c) There are 180 students. 6/10 of them walk to school. Show how to work out how many students walked to school.
6/10 of 180 = 48
180 ÷ 10 = 18
18 x 6 = 48
Answer: 108
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d) There are 150 students at the school. ⅘ of the students went to the school camp. Show how to work out how many students went to camp.
⅘ of 150 = 120
150 ÷ 5 = 30
30 x 4 = 120
Answer: 120
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