# Formula for rectangle

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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!

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

In this playlist, students explore standard 3.MD.C.7B. They will apply the area formula for rectangles with whole-number side lengths. Students will apply mathematical reasoning to find the length of a side when given the whole number area of a rectangle. Students also have the option to view instructional videos and complete practice quizzes or activities. @WisewireEd

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!

Students will review area formulas for rectangles, parallelograms, triangles and trapezoids with this foldable that is perfect for interactive journals. Must be printed front and back. Two practice problems for each figure included for a total of eight

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

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.

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.

area and perimeter art project

Here's a nice Quadrilateral Classification Chart for students to use during sorting activities.