# Area of rectangle formula

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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!

This is a curios double sided foldable to teach students the formulas to find area squares, rectangles, triangles, parallelograms, trapezoids, rhombuses and kites. It includes notes for teachers. Great for INTERACTIVE NOTEBOOKS!

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

Volume and Surface Area of Rectangular Prisms Two worksheets 1 - 10.

4.MD.3 - Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

Here are two different versions of a game where students roll dice to create rectangles and then find the area. In one version students count square units. In the second version they apply the formula for area.

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

area and perimeter art project

Nets and Composite Figures. In this collaborative activity, students find the areas of nets (rectangular prisms, triangular prisms, square pyramids, triangular pyramids) and composite figures that are made of rectangles and triangles. There is no need to know the formula for the area of a trapezoid to compute any of the areas.

Worksheet | Area of Rectangles and Triangles - I | Practice calculating the area of a square, triangle , or rectangle using formulas in this worksheet. Given the area of a square, find the side length.