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Lesson Plan
Curated OER

You Can't Go Wrong with a Right Triangle 1

For Teachers 4th - 5th
Fourth and fifth graders study the Pythagorean Theorem and apply it to find the missing side of a right triangle.
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Lesson Plan
Curated OER

Leaky Seal

For Teachers 5th - 8th
Junior high schoolers explore possible theories for the cause of the Hunley submarine sinking. Through hands on activities, they investigate how to create a waterproof seal. Afterwards, they discuss how seals work and various...
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Lesson Plan
Curated OER

Physical Education Lesson Plan - Medicine Ball

For Teachers 4th - 7th
Use the medicine ball to help young learners develop strength in the core muscle groups. The Russian twists develop oblique strength, push-ups develop triceps strength, sit-ups work on abdominal strength, and squats develop quadriceps...
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Lesson Plan
Curated OER

Basic Waltz Steps

For Teachers 6th - 12th
Learn the five basic waltz steps: box step, under arm turn, walt left box or waltz right box, hesitation step, and progressive waltz step. Teach a little about the history of the waltz and the countries from which it came: Germany and...
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Handout
Lockport City School District

Reasons for Geometric Statement/Reason Proofs

For Students 8th - 11th Standards
Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs. 
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Activity
Exploratorium

Polarized Sunglasses

For Teachers 8th - 10th
Reflected waves of light move within a plane, and because of this, polarizing materials can reduce the glare our eyes see. This resource explains how to set up a demonstration of this effect. Consider it for use in your physical science...
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Lesson Plan
Curated OER

Human Geometry Book

For Teachers 3rd - 5th
Students investigate geometric shapes. In this geometry lesson, students read the book The Greedy Triangle and define the shapes mentioned in the book. Students make the shapes by using their bodies.
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Lesson Plan
Curated OER

Pythagorean Theorem by Graphic Manipulation

For Teachers 7th - 9th
There are many different ways to show a proof of the Pythagorean Theorem.  Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
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Lesson Plan
Curated OER

How Tall is that Tree?

For Teachers 4th - 5th
Students use their feet to measure distance between themselves and a tree trunk.  In this distance lesson, students use the number of steps, and string to measure distances and height of the tree.  Students can get the tree height when...
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Lesson Plan
Curated OER

Balancing Act

For Teachers 2nd
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
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Lesson Plan
Illustrative Mathematics

Base and Height

For Teachers 5th - 7th Standards
It is easy to find the area of a triangle where the base and the height are given. But in this resource, it is up to your geometers to identify the base and height of the triangle. In fact, your pupils will learn that there are three...
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Lesson Plan
Exploratorium

Rotating String Shapes

For Teachers 3rd - 5th
Here is a very interesting way of studying triangles and polygons. Pupils work together and use pieces of string to create a variety of shapes. Depending on how many kids are manipulating the string at any one time, the number of...
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Lesson Plan
Incredible Art

1, 2, and 3-Point Perspective

For Teachers 9th - 12th
Introduce drawing students to perspective with a series of lesson that detail how to draft images in one-, two-, and three-point perspective. Each exercise includes step-by-step, illustrated directions and examples.
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Assessment
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CCSS Math Activities

Smarter Balanced Sample Items: 6th Grade Math – Claim 3

For Students 6th Standards
Communication is key. Eight sample items show how important communication and reasoning is for sixth grade mathematics. Part of the Claim 2-4 slide show series, the presentation uses concepts from fifth and sixth grade to illicit...
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Lesson Plan
Curated OER

Natural Born Robots: Body Builders

For Teachers 5th - 9th
Learners perform activities to explore how their arm works and what muscles are involved. They view animated comparisons of human and robotic arms. Students create a model of the human arm.
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Lesson Plan
Houghton Mifflin Harcourt

Developing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Exact narrative and examples make this lesson on polygons easy to implement. Through it, your class will learn how to use a protractor and ruler to construct triangles and quadrilaterals according to your directions. Your class will be...
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Lesson Plan
Curated OER

Learning by Logic - Total Surface Area

For Teachers 3rd - 6th
Geometers calculate the area of plane surfaces using the formulas for the area of a square, rectangle, and triangle. They develop the formula for calculating the total surface area of two geometric solids: the cube and rectangular prism.
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PPT
Curated OER

The Work of Waves and Wind

For Teachers 7th - 12th
This is not revolutionary, but it is informative. Earth science viewers in grades 7-12 get carried away with wave and wind erosion. They view diagrams of how waves impact ocean shorelines. They see examples of the different types of sand...
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Lesson Plan
Curated OER

Ladybug Adventures

For Teachers Pre-K - 2nd
Learners solve problems using mathematical skills. For this math lesson, the students use math concepts, to design a virtual path for a ladybug. The learners will reinforce their skills in algebra and geometry concepts.
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Lesson Plan
Curated OER

Sextant Measurements

For Teachers 6th - 8th
Students create a sextant. Using their sextant, students measure the height of tall objects. Students explore how sailors used sextants to identify their location on the ocean. They research how sextants are created.
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Lesson Plan
Curated OER

Scooter Signal

For Teachers K - 1st
Students practice the use of hand signals to designate right or left turns. In this safety lesson, students ride a scooter following paths set up to look like sidewalks and roads. Students practice forming the proper signals prior to...
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Lesson Plan
Curated OER

Archery

For Teachers 4th - 12th
Students are shown proper stance, nocking, targeting, and release techniques of archery. They follow basic safety procedures involved in handling and using archery equipment. Students practice shooting aluminum or fiberglass shaft arrows.
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area learning exercise, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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Worksheet
Curated OER

Trigonometry for AC Circuits

For Students Higher Ed
In this physics worksheet, students solve 23 trigonometry based problems. Students apply the Pythagorean Theorem in electricity calculations.