# Computing

## CONTENTS OF CURRICULUM UNIT 81.06.04

- Introduction
- The Meaning of Area
- Area of a Rectangle
- Computer Programs to Calculate the Area of a Rectangle
- Area of a Square
- Computer Programs to Calculate the Area of a Square
- Area of a Parallelogram
- Computer Programs to Calculate the Area of a Parallelogram
- Area of a Triangle
- Computer Program to Calculate the Area of a Triangle
- Area of a Trapezoid
- Computer Program to Calculate the Area of a Trapezoid
- Bibliography for Teachers
- Student Reading List

### Unit Guide

## Introducing Computer Programming in a Traditional Classroom

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Area of a Square
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^{ 2 }

*(figure available in print form)*

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Example
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1: Find the area of a square whose side is 8 1/4 in.

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Solution
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: A = s
^{
2
}
A - 8 1/4 x 8 1/4= 68 1/16 square inches

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Example
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2: Find the side of a square whose area IS 169 sq. in.

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Solution
*
: s
^{
2
}
- A s
^{
2
}
= 169 s = (square root) 169 s= 13

1. Using a metric ruler measure the side of each square and find its area.

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3. Find the shaded areas.

*(figure available in print form)*