Lesson Plan
Curated OER

Getting Familiar with Fractals

For Teachers 9th - 12th
Students use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
Lesson Plan
Pennsylvania Department of Education

Length and Perimeter

For Teachers 3rd
Third graders explore tessellations and the spatial concepts used in creating them.  In this tessellations lesson, 3rd graders rotate, reflect and transform shapes to create tessellations.  Students become familiar with the...
Lesson Plan
Curated OER

Design a Colonial Garden

For Teachers 3rd - 5th
Students explore botany by completing an art design activity in class. In this gardening history lesson, students identify the plants and crops utilized in the Colonial era for both food and medicine. Students utilize geometry to create...
Lesson Plan
Curated OER

Cracks on the Walls

For Teachers 9th - 12th
Learners observe the cracks in school walls and pavements. In this geometry lesson, students explore the factors to be considered before building a structure. They complete a graphing and calculation worksheet after the lesson.
Lesson Plan
Curated OER

Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
Lesson Plan
Curated OER

Qu'est-ce Que C'est? Foreign Phrases

For Teachers 8th
Eighth graders develop their reading comprehension skills by reading foriegn phrases. They also use the foreign phrases to develop their writing skills.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Polygons and Areas of Plane Figures

For Students 9th - 10th Standards
Twenty-five problems cover the topics of polygons and finding the area for various plane figures. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice: Polygons and Area of Plane Figures

For Students 9th - 10th Standards
Practice using your graphing calculator for measuring and constructing polygons and other plane figures. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under...
Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
Interactive
Math Is Fun

Math Is Fun: Area Calculator

For Students 5th - 8th
The resource consists of a tool to investigate the area of a variety of shapes. It could also be useful when calculating the surface area of each face of a 3D solid, and then adding them together.
Lesson Plan
Better Lesson

Better Lesson: Area of Composite Shapes

For Teachers 6th Standards
Sixth graders take their knowledge about area of rectangles, squares and triangles and apply it to parallelograms, trapezoids, and composite shapes.
Handout
Geometry Help

Geometry Help: Area of Geometric Shapes

For Students 9th - 10th Standards
Explains the basic concept of the area of geometric shapes with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Unit Plan
Sophia Learning

Sophia: Finding Area With Squares: Lesson 4

For Students 3rd - 5th Standards
Step by step, this video lesson [4:34] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 4 of 7 in the series titled "Finding Area with Squares."...
Interactive
Shodor Education Foundation

Shodor Interactivate: Area (Elementary)

For Teachers 2nd - 5th Standards
In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of Regular Polygons

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of regular polygons. Students examine guided notes, review guided practice, watch instructional...
Activity
Math Is Fun

Math Is Fun: Area of Plane Shapes

For Students 4th - 8th Standards
The resource consists of area formulas and diagrams for a variety of shapes.
Activity
Shodor Education Foundation

Shodor Interactivate: Triangle Explorer

For Students 9th - 10th Standards
This applet allows users to study the nature of triangles and their area. It draws random triangles on a Cartesian coordinate system. The user can determine the area of the triangle using his or her preferred method. After the calculated...
Activity
Scholastic

Scholastic Lesson Plan: New Way to Measure Area

For Teachers 3rd - 8th Standards
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Unit Plan
Sophia Learning

Sophia: Finding Area With Squares: Lesson 3

For Students 3rd - 5th Standards
Step by step, this video lesson [2:41] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 3 of 7 in the series titled "Finding Area with Squares."...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
Unit Plan
PBS

Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move

For Students 3rd - 5th
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...
Unit Plan
Saddleback College

Algebra2go: Finding Area Problem Sets

For Students 9th - 10th
This resource has three sets of problems. Each set has six questions for finding area of irregular shapes formed by line segments. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem....
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.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: El Teorema De Pitagoras

For Students 9th - 10th Standards
In this unit you can gain some knowledge about the Pythagorean Theorem. You can learn about the famous mathematician, familiarize with the theorem and then use your knowledge to find the area of plane figures.