Math Activity Sheets Page 7
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10Name:
Class:
Number:
Date:
Pie charts –Working with Fractions and Percentages
In a pie chart, the fractions add up to 1.
Remember : 1 can equal 12/12, or 3/3 or 100/100.
2
1
6
4
1
+
+ ____________ =
= 1
1 –
–
= ___________
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6
6
7
7
4
1
1
1
+
+ ____________ = 1
1 –
–
= ___________
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3
5
3
1
1
2
4
+
+ ____________ = 1
1 –
–
= ___________
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2
9
9
3
3
7
3
+
+ ____________ = 1
1 –
–
= ___________
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4
20
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In a pie chart, the segments add up to 100%.
You can change a fraction to a percentage or find a percentage of a total.
Finding a percentage of a number
Changing a fraction to a percentage
Divide the % by 100, then multiply it by the
Multiply the fraction by 100/1.
second number.
1
1
100
100
=
eg.
x
=
= 25%
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4
4
1
4
eg. 4% of 50 =
x 50 = 2
100
16
= _____ %
3% of 200 = ____________
25
6
= _____ %
20% of 175 = ___________
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3
= _____ %
45% of 400 = ___________
4
6
= _____ %
70% of 700 = ___________
20
Grade 6
Test 3 – 2014 Math
Worksheet 6
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