Unit Plan
Khan Academy

Khan Academy: Measure to Find Area

For Students 2nd - 4th
Practice measuring the side-lengths of a rectangle to find its area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Area Find the Side Length and Perimeter Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter and side length of a square when given the area of a square....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Converting Square Units

For Teachers 6th Standards
In this task, 6th graders must inches to feet in order to find the area of a rectangular board and explain the error in the calculations made by the board owner. Aligns with 6.RP.A.3.
Unit Plan
Khan Academy

Khan Academy: Compare Areas by Multiplying

For Students 2nd - 4th
Compare the areas of rectangles represented in images or contexts. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Area and the Distributive Property

For Students 2nd - 4th
Use area models to represent the distributive property in finding area of rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.md Finding the Area of Polygons

For Teachers 2nd - 4th Standards
The purpose of this instructional task is for students to find the area of figures that can be decomposed and then recomposed into rectangles. Aligns with 3.MD.C.6. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Graphic
Other

Grinnell College: Histograms Area of Rectangles

For Students 9th - 10th Standards
A sample problem is provided to help you create a histogram using a frequency distribution chart. Sample charts and formulas are provided to help explain how to find the area of the rectangles in the histogram and how to interpret what...
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Area Builder

For Students 3rd - 8th Standards
Create shapes using colorful blocks, and explore the relationship between perimeter and area. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 1

For Teachers 5th - 8th Standards
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Unit Plan
Khan Academy

Khan Academy: Find a Missing Side Length When Given Area

For Students 2nd - 4th Standards
Practice finding a missing side length on a rectangle when given the other side length and the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Discovery Education

Discovery Education: Web Math: Find Out Things About a Rectangle

For Students 9th - 10th
WebMath offers a good, basic site for students to practice working with the area and perimeter of a rectangle.
Unit Plan
Varsity Tutors

Varsity Tutors: Hotmath: Review: Area

For Students 9th - 10th Standards
Find a quick, concise explanation of area and the formulas for different shapes. An example is given to help you understand how find the area of a shape. The area formulas are listed for different types of shapes.
Unknown Type
Khan Academy

Khan Academy: Area and Perimeter on the Coordinate Plane

For Students 9th - 10th Standards
Find the area or perimeter of shapes like triangles, rectangles, parallelograms, and hexagons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Better Lesson

Better Lesson: Area in Real Life With Irregular Polygons

For Teachers 3rd Standards
Dividing an irregular shape into rectangles helps students find the area of an irregular shape.
Unit Plan
Khan Academy

Khan Academy: Represent Rectangle Measurements

For Students 3rd - 5th Standards
Label the given measurements in a diagram. Find the side length of a square when given the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Polygons in the Coordinate Plane

For Teachers 5th - 8th Standards
The purpose of this task is for students to practice plotting points in the coordinate plane and finding the areas of polygons. This task assumes that students already understand how to find areas of polygons by decomposing them into...
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.
Unknown Type
Khan Academy

Khan Academy: Measure to Find Area

For Students 3rd - 5th
Practice measuring the side-lengths of a rectangle to find its area.
Website
Saddleback College

Algebra2go: Finding Perimeter Problem Sets

For Students 9th - 10th Standards
This resource has three problem sets to practice finding the perimeter of rectangular shapes. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the...
Activity
University of Utah

University of Utah: Java Area Applet

For Students 9th - 10th
Nice site explaining how to find the area under a curve by using a Java applet. The applet computes the area of a figure made of rectangles which approximates the region under the given curve.
Lesson Plan
Other

Nearpod: Area & Perimeter: Rectangle

For Teachers 3rd Standards
In this lesson on area and perimeter, 3rd graders will learn how to find the area and perimeter of rectangles by applying formulas.
Activity
National Council of Teachers of Mathematics

The Math Forum: Seventh Grade Math: Area and Perimeter

For Students 6th - 8th
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
Lesson Plan
Other

Nearpod: Geometry: Fall Edition

For Teachers 3rd
In this instructional activity, 3rd graders will use multiplication to find the area of a rectangle.