Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 7th - 9th
Students identify properties of triangles. In this geometry lesson plan, students create triangles using three different segments. They make conjectures and predictions.
Worksheet
Curated OER

Scaling Figures Two

For Students 5th - 8th
In this similar figures worksheet, students find the missing side of the larger figure when the smaller figure's sides are given. Students complete 4 problems.
Lesson Plan
Curated OER

Pasta Triangles - A Triangle Inequality Activity

For Teachers 6th - 8th
Students explore, examine and experiment with pasta sticks to discover the triangle inequality principle. They assess if any three lines or segments fit together to form a triangle. Each student also completes a Triangle Recording Chart...
Lesson Plan
Curated OER

Perimeter

For Teachers 3rd - 12th
Students examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Students develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
Interactive
Curated OER

Try These Angles! Exploring Angles

For Students 5th - 8th
In this angles worksheet, students answer multiple choice questions about different types of angles in shapes. Students complete 10 questions.
Interactive
Curated OER

Estimating Volume: Post Test

For Students 5th - 7th
In this estimating volume activity, students complete a set of 10 multiple choice questions, clicking on an answer link to view correct answers. Page is labeled as a "post test."
Lesson Plan
Curated OER

Figuring Elapsed Time

For Teachers 6th - 7th
Students discover the concept of elapsed time. In this calculating time lesson plan, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the students answer questions on their own.
Worksheet
Curated OER

Calculating Areas of Rectangles

For Students 5th - 10th
In this geometry worksheet, students calculate the areas of rectangles. They use the formula for area of a rectangle.
Worksheet
Curated OER

Greatest Common Factor and Division

For Students 5th - 8th
In this greatest common factor and division worksheet, students answer word problems about the greatest common factor and division of numbers. Students complete 10 multiple choice questions.
Lesson Plan
Curated OER

How Big Is Your House?

For Teachers 7th - 8th
Students create a scale drawing of their own homes. They use geometric formulas to find the area of each room and the total area of the home.
Lesson Plan
Curated OER

Plastic Wrap

For Teachers 4th - 8th
Learners compare the price and quality of different kinds of plastic kitchen wraps and then rank them from best to worst. They take into account how well it comes out of the roll, if it seals well, it is tangles, how much weight it...
Lesson Plan
Curated OER

Our Favorites

For Teachers 6th - 7th
Students participate in and conduct a survey to determine various class favorites. They collect, organize and display their data, interpret the results, and complete a packet of worksheets to display the information.
Lesson Plan
Curated OER

Kites: Patang - The Indian Fighter Kite

For Teachers 5th - 8th
Students investigate the history of fighter kites and build their own.  In this aeronautics lesson, students discover how other countries utilize fighter kites and where they originated.  Students create their own fighter kites...
Lesson Plan
Curated OER

Estimating With Fire

For Teachers 7th - 9th
Learners solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Lesson Plan
Curated OER

Exponents III- Squares and Square Roots

For Teachers 7th - 8th
Learners explore the process of inverse operations to solve square root problems. After exploring the perfect squares and area, students examine methods to find square roots by observing the teacher, taking notes, and listing vocabulary...
Lesson Plan
Curated OER

Ratios

For Teachers 6th - 7th
Students explore the concept of ratios. In this ratios lesson, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style lesson.
Interactive
Curated OER

Try These Angles! Exploring Angles: Post Test

For Students 5th - 8th
In this angles worksheet, students answer multiple choice questions about angles on their own and angles inside shapes. Students complete 10 multiple choice questions.
Lesson Plan
Curated OER

Intro to Trigonometry

For Teachers 6th - 8th
After being introduced to the basic trigonometry functions, students calculate the height of school landmarks. They experiment with different angles to find the correct height.
Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
Worksheet
Curated OER

Factors

For Students 4th - 8th
In this factors learning exercise, students solve word problems having to do with factors of numbers that are up to 4 digits. Students complete 10 problems.
Lesson Plan
Curated OER

Holey Clamshells

For Teachers 6th - 12th
Students analyze data to make hypotheses and conclusions regarding the predator/prey relationship between moon snail and surf clams.
Worksheet
Curated OER

Addition and Subtraction word problems

For Students 6th - 10th
In this word problems worksheet, students solve addition, subtraction, money, decimals, and percentage word problems. Students solve 47 problems total.
Interactive
Curated OER

Using Proper Tools to Solve Problems I

For Students 5th - 7th
In this tools for problem solving worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "post test." Answer link provided.
Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 6th - 8th
Middle schoolers are introduced to the notion of surface area and volume. Students review surface area and volume by finding the area of a two-dimensional shape. They practice using the computer to create different surface area shapes.