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Friday, November 8, 2013

Fractions

Last week I did a maths activity on Fractions.
This is what I did.
A) At a fancy dress party.  1/4 of 80 had costumes on.
Show how you worked out how many people had costumes on at the party :
Working out :
4 x 20 = 80
80 ÷ 4 = 20
Answer : There were 20 people in costumes at the fancy dress party.
***
B) 2/3 of the class of 24 students owned cell phones.
Show how to work out how many students owned cell phones.
Working out :
3 x 8 = 24
24 ÷ 3 = 8
1/3 of 24 = 8 and 8 doubled is 16 so 2/3 of 24 is 16.
Answer :  16 students on cell phones.
***
C) There are 180 students. 6/10 of them walk to school.
Show how to work out how many students walk to school.
Working out :
10 x 18 = 180

180 ÷ 10 = 18

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