Lesson Plan
Better Lesson

Better Lesson: Area and Perimeter Review Using Legos

For Teachers 2nd - 4th Standards
Lesson plan in which students calculate area, build areas to a given amount, and calculate the perimeter with the use of Legos. Step by step instructions and videos are provided. CCSS.Math.Content.3.MD.C.7.c Use area models to represent...
Handout
Homeschool Math

Homeschool Math: Fraction Multiplication and Area

For Students 4th - 6th Standards
This fifth-grade lesson explores the area of a rectangle with fractional side lengths. We tile the rectangle with unit rectangles and show that the area is the same as would be found by multiplying the side lengths. We multiply...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 2

For Teachers 6th - 8th
This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Extensions, Bisections, Dissections in Rectangle

For Teachers 9th - 10th Standards
In this task, students must draw a diagram from a verbal description and use their understanding of similar triangles to find the area of a quadrilateral. Aligns with G-SRT.B.5.
Activity
The Math League

The Math League: Area and Perimeter

For Students 9th - 10th Standards
This tutorial provides a brief introduction about what area is, then gives the formulas for area of a square, rectangle, parallelogram, trapezoid, triangle, and circle. Examples of each formula are provided.
Lesson Plan
Homeschool Math

Homeschool Math: Area of Parallelograms

For Teachers 6th - 7th Standards
This lesson plan presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for young scholars.
Activity
Shodor Education Foundation

Shodor Interactivate: Factorize 2

For Students Pre-K - 1st Standards
The resource consists of student notes, instructor notes, and an interactive activity. The activity allows learners to find the factors of a given number and then draw the product as the area of a rectangle on a grid.
Interactive
Calculator Soup

Calculator Soup: Parallelogram Calculator

For Students 9th - 10th Standards
Calculate certain variables of a parallelogram depending on the inputs provided. Calculations include side lengths, corner angles, diagonals, height, perimeter, and area of parallelograms.