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58 reviewed resources

Videos (Over 2 Million Educational Videos Available)
Volcano Video
4:37
Volcano
Thomas Jefferson - Author of The Declaration of Indepence & 3rd U.S. President | Mini Bio | BIO Video
4:18
Thomas Jefferson - Author of The...
Women's History Activator: Eleanor Roosevelt Video
5:34
Women's History Activator: Eleanor Roosevelt
Other Resource Types ( 58 )
EngageNY

EngageNY Geometry Module 3: Extending to Three Dimensions

For Teachers 9th - 12th Standards
Building on the understanding of congruence studied in Module 1 and on similarity studied in Module 2, the 14 lessons  in the Module 3 collection focus on developing a bridge  from geometric measurement in two dimensions to understanding...
Lesson Planet

Introducing Measurements in the Laboratory

For Teachers 9th - Higher Ed Standards
We use basic units of measurement to break down things and communicate clearly. The first lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
Lesson Planet

Sorting Equations of Circles 2

For Teachers 9th - 12th Standards
How much can you tell about a circle from its equation? This detailed lesson plan focuses on connecting equations and graphs of circles. Learners use equations to identify x- and y-intercepts, centers, and radii of circles. They also...
Lesson Planet

Fun with Solids

For Teachers 9th - 12th Standards
Unlike a volcano, the lesson won't blow up in your face. Young mathematicians use dried beans to discover the relationship between the volumes of cones and cylinders and to write a formula for the volume of a cone. They then research...
Lesson Planet

Fun with Solids

For Teachers 9th - 12th Standards
Cakes offer a yummy way to learn about math. Scholars use manipulatives to discover the formulas for the surface area and volume of prisms and cylinders. They use their formulas to calculate the amount of cake mix and frosting necessary...
Lesson Planet

2 and 3 Dimensional Shapes

For Students 9th - 12th Standards
Take a similar approach to three dimensions. Pupils develop the relationship between areas of similar objects and see how they relate to the ratio of the sides. Building upon area formulas, small groups put together volume formulas for...
Lesson Planet

Designing Euclid’s Playground

For Teachers 10th Standards
Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...
Lesson Planet

Module 5: Circles A Geometric Perspective

For Teachers 9th - 12th Standards
Circles, circles, everywhere! Pupils learn all about circles, central angles, inscribed angles, circle theorems, arc length, area of sectors, and radian measure using a set of 12 lessons. They then discover volume formulas through...
Lesson Planet

Trashketball

For Teachers 9th - 12th Standards
Take a shot using a lesson on volume! Young learners watch a video showing a trashcan filling with paper balls. The task is to calculate the number of paper balls that will fit in the can. Pupils use volume calculations to make a...
Lesson Planet

Toilet Paper Roll

For Teachers 9th - 12th Standards
You won't want to flush a great lesson down the drain! An intriguing resource asks learners to predict the number of sheets of toilet paper on a roll. Presented with the dimensions of the roll and one sheet of paper, scholars make...
3:36
Lesson Planet

Cones: Lesson

For Students 8th - 11th Standards
Just how much ice cream will the cone hold? The video provides the formulas to find the surface area and the volume of cones. Using example problems, the section of a geometry playlist shows how to use the formulas to find the surface...
Lesson Planet

Filled to Capacity!

For Teachers 9th - 12th Standards
Poor cones; they'll never live up to cylinders. Pupils learn how the volumes of cones relate to the volume of cylinders. The results of the activity show that the volume of a cone only amounts to a third of the volume of a cylinder with...
Lesson Planet

Volume of a Cone

For Students 9th - 12th Standards
What does the volume of a pyramid have to do with the volume of a cone? Young mathematicians derive the volume formula for cones by considering how the cone's cross-sectional areas compare to that of a rectangular pyramid. Solutions will...
Lesson Planet

Volume of a Pyramid

For Students 9th - 12th Standards
It takes three to add up to the whole. Pupils use drawn-in line segments in a triangular prism to show that it can be divided into three pyramids. Learners use what they know about prisms to show the bases of the three pyramids and their...
Lesson Planet

Volume of a Cylinder

For Students 9th - 12th Standards
It's all about having equal cross-sectional areas and equal heights. Using a diagram of a prism and a cylinder, pupils explain the formula of the volume of a cylinder. Individuals use facts about the relationship between the prism and...
Lesson Planet

Discovering the Formulas for Circumference and Area of a Circle

For Teachers 9th - 12th Standards
Find formulas using direct measurements and reconstruction. Groups use diagrams of circles and measure their circumferences. With several examples, classmates determine the constant of variation, pi. Pupils continue exploring circle...
Lesson Planet

Volume of Pyramids: Fluctuating Height

For Students 9th - 12th Standards
The height of a pyramid may change, but the usefulness of the interactive will not. Learners drag the apex of a pyramid to change its height. They then answer a set of challenge questions designed to investigate how changing the...
Lesson Planet

Area and Circumference 3

For Students 9th - 12th Standards
Use the previous assumptions to derive the commonly known formulas. The resource provides the prior assumptions, and pupils use these assumed facts to derive the familiar formulas for the area and circumference of a circle. The scholars...
Lesson Planet

Area and Circumference 2

For Students 9th - 12th Standards
Use scale factors to find areas of circles. Pupils delve deeper into the informal argument for the formula of the area of a circle. The scholars show the relationships of areas of similar polygons also holds true for circles.
Lesson Planet

Area and Circumference 1

For Students 9th - 12th Standards
Have the class describe the relationship of the area and perimeter of inscribed polygons and the area and circumference of the circle. Pupils investigate the relationships of areas and perimeters of inscribed regular polygons and circles...
Lesson Planet

Surface Area and Volume

For Teachers 9th - 11th Standards
Partners use materials to wrap three-dimensional objects to determine the formula for surface area. The groups use an orange to calculate the amount of peel it takes to completely cover the fruit. Using manipulatives, individuals then...
Lesson Planet

Area and Circumference of Circles

For Students 8th - 10th Standards
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...
Lesson Planet

Modeling Motion: Rolling Cups

For Students 9th - 12th Standards
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup measurements...
Lesson Planet

Square and Circle

For Students 9th - 12th Standards
To determine the dimensional change to quadruple the area, class members determine how to increase the dimensions of a square and a circle to increase the perimeter by a given factor. they then calculate the necessary factor to create...