# How to Make a Pie Chart for Fractions

Written by bryan keythman
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A pie chart can be a helpful visual tool to learn fractions. A pie chart consists of a circle separated into sections that represent portions of the whole circle. It looks like a pie cut into separate pieces. You can make a pie chart that is separated into a certain number of equal sections to represent fractions. For example, each section of a pie chart that contains five equal sections represents the fraction 1/5. Because a full circle has an angle of 360 degrees, you can determine the angle measurement of each equal portion to make an accurate pie chart.

Skill level:
Moderately Easy

• Compass
• Ruler
• Protractor

## Instructions

1. 1

Place the needle and pencil of a compass on a sheet of paper and rotate the pencil around the needle 360 degrees, keeping the needle in place, to draw a circle.

2. 2

Draw a point in the centre of the circle where the needle was located.

3. 3

Draw a straight, vertical line from the centre point of the circle to the arc of the circle using the ruler. This is the radius.

4. 4

Determine a fraction with which you want to divide the circle. For the following example, divide the circle into fourths. This will result in a pie chart with four equal sections, with each section representing 1/4 of the circle.

5. 5

Divide 360 degrees by the number of equal sections with which you want to separate the pie chart. This will determine the angle of each equal section. In the example, divide 360 degrees by 4, which equals 90 degrees. This is the angle of each of the four sections of the pie chart.

6. 6

Place the origin, or small hole, of the protractor on the centre point of the circle and align the baseline and the 0-degree mark of the outer angle of the protractor with the radius drawn in Step 3. Make sure the arc of the protractor faces right.

7. 7

Find the angle number that corresponds to the angle that you calculated for a section of your pie chart on the arc of the protractor, which increases clockwise. Draw a small point on the paper next to the angle number. In the example, find the 90-degree angle number on outer angles of the protractor and draw a small point on the paper next to the number.

8. 8

Align the ruler on the centre point of the circle and the small point you drew next to the angle number, and draw a straight line from the centre point of the circle to the arc of the circle. This is the new radius.

9. 9

Place the origin of the protractor on the centre point of the circle and align the baseline and the 0-degree mark of the outer angles of the protractor with the new radius.

10. 10

Repeat Steps 7 through 9 until all equal sections have been drawn on the pie chart.

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