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Area Of Rectangle Formula

Derive the formula for a parallelogram using only the formula for the area of a rectangle. It should make more sense for the student!

from Teachers Pay Teachers

Area Notes and Practice Worksheet

This 4 page lesson includes a page that details the formulas for finding the area of a square, rectangle, triangle, parallelogram and trapezoid. The second and third pages are practice problems. Answer Keys included!


How to find the formula for calculating the area of parallelograms using the area of a rectangle.

from Teachers Pay Teachers

Emoji Area: 2-Player Game to Find the Area of Rectangles with a Fractional Side

Emoji Area is a 2-player game which allows students practice drawing and finding the area of rectangles with a fractional side. Students roll three six sided dice to determine the width, length and fractional part of the length. Students then draw and label the rectangle on the game board trying to surround an existing emoji before finding the area.


Area of Circle, Triangle, Square, Rectangle, Parallelogram, Trapezium, Ellipse and Sector

from Teachers Pay Teachers

Area of a Triangle - Foldable - Formula Options

Area of a triangle foldable


Math Journal Sundays

foldable for a review on finding area of rectangle, triangle, parallelogram, and square


A game for 2 or 3 players. Each player chooses a color pencil they will use in the game. Players take turns rolling the dice, using the numbers that they rolled to draw the perimeter of a rectangle or square & writing the area in the middle of the shape.

from Teachers Pay Teachers

Formulas in Algebra

I present you with an introductory lesson on Formulas! Your students will enjoy manipulating the variables in our lesson from one side of the equal sign to the other, depending upon the problem at hand. Formulas presented in the lesson are for Celsius and Fahrenheit conversions, Kelvin and Fahrenheit conversions, area of triangles, area of rectangles, density and mass, the distance formula, and simple interest.

from Teachers Pay Teachers

Reader's Theater Pack: Perimeter and Area

This reader’s theater pack contains two short, 2-page scripts that are engaging for your whole class! They have around 5 individual speaking parts and many ALL parts for you whole class (or small group) to participate in. -“Sunday Night Football: The Pittsburgh Perimeter vs. The Atlanta Area”-defines area and perimeter and compares tthem -“The Case of the Missing Measurements”-explains the formulas for finding perimeter and the area of a square, rectangle and right triangle