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Tuesday, July 9, 2013

Maths Portfolio Fraction

I am able to solve level 3 fraction problems.

A farmer is selling some of his animals.
1.  The farmer sells ¼ of his 72 cows.  Show how to work out how many cows he see.
4 x 10 = 40
4 x 8 = 32
40 + 32 = 72
10 + 8 = 18 <----- ¼ of his 72 cows

2. He sells ⅓ of his 45 pigs.  Show how to work out how many pigs he sells.
3 x __ =45
3 x 5 = 15
3 x 10 = 30
15 + 30 = 45
10 + 5 = 15 <----- ⅓ of his 45 pigs
Answers: 45

3.   He sells ⅙ of his 84 sheep.  Show how to work out how many sheep he sells.
6 x___= 84
84 divided by 6 = 14
14 x 6 = 84
10 + 4 = 14 <----- ⅙ of his 84 sheep

Answer: 14

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