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  3. Math: Middle School: Grades 6, 7 and 8
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Data Handling - Pie Charts
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Data Handling - Pie Charts

This Math quiz is called 'Data Handling - Pie Charts' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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In math, a pie chart is a good way to illustrate how a data set is distributed over its different categories. Each category is represented by a 'slice' of the pie and the bigger the 'slice' the more important that category is.

1 .
Each 'slice' of a pie chart is what part of a circle?
Sector
Segment
Sequence
Series
2 .
The size of each 'slice' of pie is measured by its .......
accuracy
amplitude
angle
arc
3 .
The total of the pie chart angles should be .......
90°
180°
270°
360°
4 .
In a percentage pie chart, what angle represents 10% of the data?
15°
30°
36°
72°
10% is 1/10. One tenth of the pie chart is 360 / 10 = 36
5 .
What fraction of a pie chart showing the favorite TV soaps of 400 people, represents the 80 people who chose Eastenders?
1/8
1/5
1/4
1/2
80 / 400 = 1/5
6 .
In the TV soaps survey 150 people chose Coronation Street. What pie chart angle represents this group?
120°
125°
130°
135°
150 / 400 = 3/8. To find 3/8 of 360° divide by 8 then multiply by 3. (360 / 8) x 3 = 45 x 3
7 .
In a pie chart showing the sports played by 1,000 boys, a 45° sector is labeled 'no regular sport'. How many boys does this represent?
45
125
200
720
45° is 1/8 of the pie chart so represents 1/8 of the 1,000 boys. 1000 / 8 = 125
8 .
What percentage of the boys said they took part in no regular sport?
10%
121⁄2%
25%
331⁄3%
It's helpful to remember some common percentages and their fraction equivalents, e.g. 1/8 = 121⁄2%
9 .
The sector labeled 'football' is more than half the pie chart so the number of boys who play football is more than .......
180
360
500
750
Half of 1,000 is 500. You cannot say how much more than 500 unless you know the size of the pie chart angle
10 .
Ten boys said they played tennis. To the nearest degree, what pie chart angle represents tennis?
4°
5°
14°
15°
10 is 1% of the total. To find 1% you divide by 100. 360 / 100 = 3.6
Author:  Frank Evans
Math: Middle School: Grades 6, 7 and 8 Play this quiz again

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