partners with
&
####
Now... gain access to over

Sal uses the formula for perimeter to show how the variables can be moved around to solve a problem. He demonstrates a few different ways to do this.

####
Now... gain access to over
**2 Million**
curated educational videos and
**500,000**
educator reviews to free & open educational resources

### We found 700 resources with the concept perimeter

Videos (Over 2 Million Educational Videos Available)

11:22

Prepositional Phrases for Kids | English...

4:37

Volcano

3:07

Who was Frederick Douglass?

Other Resource Types
(700)

Lesson Planet: Curated OER

#### Balanced Assessment: Advanced High School Math Packet

Nineteen resources make up the Balanced Assessment: Advanced High School Math Packet designed to test learners' knowledge in Algebra II, Geometry, and Pre-Calculus classes. To demonstrate their understanding of concepts related to these...

Lesson Planet: Curated OER

#### Balanced Assessment: Exemplar High School Packet

The Exemplar High School Balanced Packet is a collection of 19 assessment tasks designed to test scholars’ knowledge of Algebra 1 concepts. Learners create graphs that represent how things change over time, build functions to model...

Lesson Planet: Curated OER

#### Balanced Assessment: Basic High School Packet

Seventeen short assessments are designed to test scholars’ knowledge of basic Algebra 1 concepts. Pupils determine the houses that are a given maximum distance from a school, complete charts to show equivalent scale factors, and...

Lesson Planet: Curated OER

#### Mathematics Assessment Project: Tests for Middle School

Good assessments are hard to find—assessments that address content standards and fit into standard class periods. The six assessments in the middle school collection are 80-minute forms, divided into two 40-minute sections, and are...

Lesson Planet: Curated OER

#### High School Balanced Packet 2 Assessment Tasks

Good assessments can be hard to find and difficult to formulate. Designed as a collection of mathematics assessment tasks, the 20 resources in this packet can also be used as lesson openers, a review, or extra practice. The open-ended...

Lesson Planet: Curated OER

#### Mission to Mars

Martians beware! Earthlings are on the way! A 13-resource collection prepares future astronauts for space travel by studying interesting facts about the Red Planet, the history of Martian exploration, and the development of robotics....

Lesson Planet: Curated OER

#### Math Antics Geometry Video Lessons

The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...

Lesson Planet: Curated OER

#### Common Core Math: 3rd Grade

Looking for all things third grade Common Core math? Here is the collection you've been waiting for! Third grade math curriculum is rigorous and opens up the doors to bigger algebra concepts that learners will use their entire lives....

Lesson Planet: Curated OER

#### Area and Perimeter

Get third graders excited to work find area and perimeter of unit squares, rectangles, and irregular shapes. A 36-page packet comes with task cards, graphic organizers, practice worksheets, printables with squares, exit tickets, and word...

Lesson Planet: Curated OER

#### Review Sheets: Beginning Algebra

This jumbo worksheet contains everything you need to get through Pre-Algebra. Begin with simple expressions, and end with linear functions and polygons. There are multiple problems for each topic to make sure those skills are set.

Lesson Planet: Curated OER

#### Review Sheets: Basic Mathematics 2

A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions.

Lesson Planet: Curated OER

#### Math Stars: a Problem-Solving Newsletter Grade 8

You've just hit the jackpot of integrating math problems and riddles with this jumbo-sized resource! Written as a newsletter, scroll through 35 pages of puzzles and quality problems to engage and encourage your learners to inquire and...

Lesson Planet: Curated OER

#### Creating Area and Perimeter Rectangles

Third graders are challenged to draw their own rectangles given a specific area or perimeter. There are no examples of how each rectangle should look, so it is important for learners to persevere in finding a solution. There is more than...

Lesson Planet: Curated OER

#### Rectangles - Same Perimeter and Different Area

Given a rectangle with specified dimensions, learners are prompted to create a new rectangle with the same perimeter, but a different area. This challenges third graders to think about perimeter and area in a new way. Each problem...

Lesson Planet: Curated OER

#### Rectangles - Same Area and Different Perimeter

Given a rectangle with specified dimensions, third graders are prompted to create a new rectangle with the same area, but a different perimeter. This challenges learners to think about perimeter and area in a new way. Use worksheet as a...

Lesson Planet: Curated OER

#### Determining Perimeter with Square Units

Third graders determine the perimeter of a shaded section by counting the number of unit squares that surround it. Each section is shaded on a small square unit grid.

Lesson Planet: Curated OER

#### Finding Side Length (Given Perimeter)

Perimeter is the total distance around an object. One can find the perimeter of a rectangle or square by adding all four side lengths together. These worksheets require third graders to find the missing side length, given the perimeter...

Lesson Planet: Curated OER

#### Exploring 3-D Geometry

Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on to learn the...

Lesson Planet: Curated OER

#### Shape Shifters in the Math Garden

Combines mathematical measurement with gardening skills. Third graders hunt for worms in the garden and try to find the longest one. They also measure and weigh vegetables that they harvest from the garden, measure rainfall amounts, and...

Lesson Planet: Curated OER

#### Study Jams! Perimeter

Follow this engaging slide show on the calculation of polygon perimeter with some hands-on measurement of perimeters to solidify the concepts. On this webpage there are interactive assessment questions and links to related resources by...

Lesson Planet: Curated OER

#### Areas of Geometric Shapes with the Same Perimeter

A triangle, square, hexagon, and circle all have a perimeter of one unit. Eighth graders must attempt to find the area of each and arrange them in order from least to greatest areas. A terrific task for applying four different area...

Lesson Planet: Curated OER

#### Using Linear Equations to Define Geometric Solids

Making the transition from two-dimensional shapes to three-dimensional solids can be difficult for many geometry students. This comprehensive Common Core lesson plan starts with writing and graphing linear equations to define a bounded...

Lesson Planet: Curated OER

#### Example of Solving for a Variable

Sal uses the formula for perimeter to show how the variables can be moved around to solve a problem. He demonstrates a few different ways to do this.

Lesson Planet: Curated OER