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280 resources with the keyterm rectangle

Videos (Over 2 Million Educational Videos Available)
Phonics Song 2 (new version) Video
2:54
Phonics Song 2 (new version)
Defining Gravity Video
3:11
Defining Gravity
Population Genetics Video
2:45
Population Genetics
Other Resource Types ( 280 )
Lesson Planet

To Half or Half Not

For Teachers 4th - 5th
Jump into equivalent fractions using these fun scenarios for mathematicians to solve. First, they use geoboards to find different ways to divide a rectangle in half. Then, an alien from the planet Fractional is after one half of their...
1 In 1 Collection
Lesson Planet

Fractions Worksheet 1 - Rectangles

For Students 2nd - 4th
Young learners read 2 examples of how to write fractions to show how much of a rectangle is shaded. Then students look at  9 diagrams of rectangles that have shaded areas. They write the fractional equivalent. Then they shade 3...
Lesson Planet

Tiling Tessellations

For Teachers 2nd - 4th
Young scholars explore tessellations. In this shapes and geometry lesson, students describe the attributes of many of the shapes displayed on an Elmo. Young scholars create examples of tessellations using pattern blocks.
Lesson Planet

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Lesson Planet

Exit Ticket 6.G.1 Item 3

For Students 5th - 6th Standards
Challenge young mathematicians' ability to compose and decompose shapes with this open-ended geometry problem. Given that a polygon has a certain area and is made up of two different rectangles, students must draw and label the...
Lesson Planet

Overlapping Rectangle

For Teachers K - 3rd Standards
Challenge young mathematicians' ability to compose and decompose shapes with this fun geometry puzzle. The goal is simple, locate all of the rectangles shown in a picture of three overlapping rectangles. Perform this activity as a whole...
Lesson Planet

All vs. Only Some

For Teachers Pre-K - 2nd Standards
All shapes have certain defining attributes that set them apart from others. In order to understand this, young mathematicians look at examples and non-examples of triangles, rectangles, and squares, working as a whole class to create...
Lesson Planet

Alike or Different Game

For Teachers K Standards
How are a circle and triangle alike? How are they different? These are the types of questions children will answer while playing this fun geometry game. Including a variety of conventional and unconventional shapes, this activity allows...
5:53
Lesson Planet

Find the Area of a Rectangle Using the Standard Formula

For Students 3rd - 5th Standards
The second of six videos on finding perimeter and area begins with a review of these terms, along with a discussion on the concept of a variable and how it applies when finding area. The core lesson gives a detailed description of how to...
2:45
Lesson Planet

Relate Area to Arrays

For Students 2nd - 4th Standards
How do arrays relate to area? Learners use prior knowledge about arrays to think about finding the area of a rectangle in the first of two videos on relating area to multiplication. The resource points out the common error of adding the...
7:43
Lesson Planet

What is the Formula for the Volume of a Prism?

For Teachers 6th - 10th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
3:02
Lesson Planet

Area of a Rectangle - Geometry Help

For Teachers 4th - 7th
How on earth is one to find the area of a rectangle when he doesn't know the width? Using the diagonal of the rectangle, the length, and the Pythagorean Theorem the missing side is determined and the area is discovered. This clip is...
Lesson Planet

Section 2.5 - Problem Solving (Part B)

For Students 7th - 12th
Trying to figure out the perimeter of a geometric figure? Here are a few word problems to set up algebraic equations to solve for perimeter. There are also some word problems to set up algebraic equations to solve for angles in a...
Lesson Planet

The Coordinate Plane

For Students 6th - 8th
Use this Saxon math coordinate plane worksheet to have your learners utilize a graphing calculator, equate the vertices of a rectangle, and then graph their conclusions as well as answer a variety of fill in the blank equations.
2:12
Lesson Planet

What is a Prism?

For Teachers 6th - 9th
I always thought a prism was a solid triangular shaped piece of glass that made rainbows when the light shined through it. Well, that is a prism, but that is only one example of a prism, as prisms are three-dimensional solids of a...
8:20
Lesson Planet

What is the Formula for the Volume of a Prism?

For Teachers 6th - 12th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
4:03
Lesson Planet

How Do You Find the Area of a Rectangle Whose Sides are Binomials?

For Teachers 6th - 12th
The teachers uses a diagram to set up her initial equation to reflect the changes being made to a garden plot. She has a good explanation of how she got her equation. Then she works through the steps to solve the equation.
5:13
Lesson Planet

How Do You Find the Perimeter of a Rectangle?

For Teachers 6th - 12th
The teacher illustrates a diagram to help you learn about perimeter. First she adds the sides together to get the perimeter. Then she shows how to use the perimeter formula to make it a bit simpler.
4:25
Lesson Planet

How Do You Solve a Word Problem by Subtracting and Multiplying Polynomials?

For Teachers 6th - 12th
Apply the distributive property to multiply a monomial times a polynomial to get the area of a rectangle. Then use this information to solve a word problem.
4:46
Lesson Planet

What is the Formula for the Area of a Rectangle?

For Teachers 6th - 12th
Area=Length x Width. Locate the value of the length of the rectangle and locate the given width and plug them in to solve. Don't forget to include the units and multiply them too.
3:32
Lesson Planet

How Do You Find the Area of a Rectangle?

For Teachers 3rd - 6th Standards
Area=length x width. Locate the value of the length of the rectangle and locate the given width and plug them in to solve. Don't forget to include the units and multiply them too. This three-minute video can be watched at home to review...
3:46
Lesson Planet

How Do You Find the Length of a Rectangle if You Know its Width and Area?

For Teachers 6th - 12th
Learn how to use the formula for area to solve a problem about a rectangle. The demonstrator shows how to plug in the known values of a rectangle, and then how to use the formula for area to solve for the variable in question.
3:36
Lesson Planet

What's the Formula for the Perimeter of a Rectangle?

For Teachers 6th - 12th
Discover how to find the algebraic formula for the perimeter of a rectangle through this tutorial. Your algebra learners will be guided towards the thinking steps around this concept. After showing the video, invite your class to model...
Lesson Planet

Naming Quadrilaterals

For Students 3rd
Scholars examine six common quadrilaterals and identify each by writing its name beneath the shape. Next, they sketch four shapes: parallelogram, rectangle, rhombus, and trapezoid. Once finished, review which features helped learners...