Lesson Plan
Curated OER

The Circumference of a Circle and the Area of the Region it Encloses

For Teachers 6th - 8th Standards
Bring your math class around with this task. Learners simply identify parts of a given circle, compute its radius, and estimate the circumference and area. It is a strong scaffolding exercise in preparation for applying the formulas for...
Activity
5280 Math

Triangle Area Patterns

For Teachers 8th - 10th Standards
Combine algebraic and geometric strategies to find solutions. The task asks learners to find the coordinates of a third vertex of a triangle to create a triangle with a specific area. The project is a set of seven problems that...
Activity
Curated OER

Finding the Area of Polygons

For Teachers 3rd Standards
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
Activity
Collaborative Learning Project

Four in a Row Addition and Subtraction

For Teachers 1st - 3rd Standards
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
Activity
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Teach Engineering

Who Can Make the Best Coordinate System?

For Teachers 7th - 9th Standards
Working with a map that does not have a coordinate system on it, small, collaborative teams must come up with a coordinate system for their map. Groups then explain their coordinate structure to the class.
Activity
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Curated OER

Task: Grain Storage

For Teachers 7th - 10th Standards
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Activity
Under the Dome

Olympic Display

For Students 3rd - 4th Standards
Design it with soda cases. After viewing a picture of a soda case display, pupils develop questions about the design using information from the teacher. Scholars use the information and their knowledge about area and multiplication to...
Activity
Under the Dome

The Pythagoras Tree

For Students 8th Standards
View a tree designed by Pythagoras. Pupils watch a video as a tree is built by using squares representing the side lengths of a right triangle, with each side of the squares becoming the side of another triangle. Learners come up with...
Activity
Illustrative Mathematics

Same Base and Height, Variation 1

For Teachers 5th - 7th Standards
Four triangles are depicted for learners to construct on a geoboard. They compute and compare the areas, and so meet one of the sixth grade Common Core standards for geometry. Note that the set of triangles does not include a right...
Activity
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Teach Engineering

What's Wrong with the Coordinates at the North Pole?

For Teachers 7th - 9th
Here is an activity that merges technology with life skills as individuals use Google Earth to explore the differences between coordinate systems and map projections. The self-guided worksheet is the fourth segment in a nine-part unit....
Lesson Plan
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Curated OER

Latitude

For Teachers 9th - 12th Standards
Your young geologists generate a graph given a table of values from the context of latitude and percent of the earth's surface north of that latitude. The questions in the activity then focus the learners to a deeper understanding of the...
Activity
Curated OER

Task: Miniature Golf

For Teachers 6th - 10th Standards
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Activity
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Curated OER

Access Ramp

For Teachers 9th - 12th Standards
Just about every public building that your students are familiar with has an access ramp which complies with ADA requirements. As it turns out, designing such a ramp is an excellent activity to incorporate slope, the Pythagorean Theorem,...
Lesson Plan
National Council of Teachers of Mathematics

Stitching Quilts into Coordinate Geometry

For Students 8th - 11th Standards
Who knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project...
Lesson Plan
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Baylor College

There's Something in the Air

For Teachers K - 5th
Clever! In order to compare indoor and outdoor dispersal rates for the movement of gases and particles through air, collaborators will participate in a classroom experiment. Set up a circular grid and set students on lines that are...
Activity
Illustrative Mathematics

Paper Clip

For Teachers 9th - 11th Standards
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Activity
Boward County Public Schools

Hoot Activities

For Teachers 5th - 8th Standards
If you're looking for engaging, cross-curricular, inquiry-based activities and projects to support your class reading of Carl Hiaasen's Hoot, you've come to the right place!
Activity
DiscoverE

Spaceship to Mars

For Teachers 6th - 8th
Feel like a rocket scientist for the day. Using only paper and tape, scholars create a framework for a spaceship to Mars. Each sheet of paper costs $10 million and each piece of tape costs $100,000. Make sure you stay within budget!
Activity
University of Georgia

University of Georgia: Texas Area Estimate

For Students 9th - 10th
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
Activity
Texas Instruments

Texas Instruments: Geoboard and Area

For Teachers 6th - 8th
In this activity, students find areas of figures which are displayed on a grid. They also use the Geoboard application to find areas of figures they draw.