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

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

### We found 121 resources with the concept area formulas

Videos (Over 2 Million Educational Videos Available)

2:54

Phonics Song 2 (new version)

6:54

How to paint a watercolor and ink flower...

5:25

Language and Creativity

Other Resource Types
(121)

Lesson Planet: Curated OER

#### Flipped Math: Geometry

Imagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...

Lesson Planet: Curated OER

#### Geometry Unit 9: Area of Polygons

Six lessons make up the Geometry Unit 9: Area of Polygons unit module. Pupils review the formulas for finding the area of parallelograms and triangles. They apply previous learning of trigonometric ratios and the Pythagorean Theorem to...

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

#### Exploring Space Through Math: Geometry

The Exploring Space Through Math series offers six geometry lessons that use NASA resources to teach learners how to use the mathematics of deductive and spatial reasoning. They use geometry to compare the dimensions of the NBL pool, the...

Lesson Planet: Curated OER

#### AP Calculus AB

Prepare high school mathematicians for the AP Calculus AB exam with a collection of 38 videos that can be used to introduce the topics or as a review. The videos focus on two processes; differentiating a function and integrating a...

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

#### Use Nets to Represent Three-Dimensional Figures and Find Surface Area (6.G.A.4)

The nine resources in this collection model how to explore surface area with different shapes and how to use nets to help visualize these shapes. The last two videos in the series are application-based and test the skills developed by...

Lesson Planet: Curated OER

#### Know and Use the Formulas for Area and Circumference of a Circle (7.G.B.4)

Practice with the formulas for circumference and area of a circle. Videos each work with a specific area and the last video challenges them to work backwards when given the area.

Lesson Planet: Curated OER

#### Find the Area of Triangles, Quadrilaterals, and Polygons (6.G.A.1)

Before diving into the formulas for area, show where the formulas connect to the shape of the figure. The four videos look at different shapes and by decomposing them, they end up relating directly to their area formula.

Lesson Planet: Curated OER

#### Introducing Measurements in the Laboratory

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: 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

#### 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

#### Area Model of Multiplication Using Base 10 Manipulatives

Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...

Lesson Planet: Curated OER

#### Unit 9 Review: Area of Polygons

It's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...

Lesson Planet: Curated OER

#### Sectors and Segments

It's a piece of pizza! Pupils learn about a sector of a circle as a slice of the circle and determine how to find its area. Scholars continue to find out how to calculate the segment of a circle based on the sector's area. At the end,...

Lesson Planet: Curated OER

#### Regular Polygons

Make area a regular affair. By dividing a regular polygon into triangles, pupils see how the area formula works. Learners watch several examples of finding the area of various regular polygons before practicing how to find the area of...

Lesson Planet: Curated OER

#### Area of Trapezoids, Kites, and Rhombi

Everything will add up. Learners find the areas of trapezoids, kites, and rhombi by using the area formulas. Scholars find any missing information needed to use within the formula and continue to use prior knowledge and practice...

Lesson Planet: Curated OER

#### Parallelograms and Triangles

Expand area problems to incorporate prior knowledge. Pupils begin by reviewing the formulas for finding the area of parallelograms and triangles. The scholars apply previous learning of trigonometric ratios and the Pythagorean Theorem to...

Lesson Planet: Curated OER

#### Geometry

Shape one's understanding of geometry using the resource. The sixth of seven chapters in 6th Grade Math focuses on geometry principles. Future mathematicians learn to find the area of parallelograms, trapezoids, triangles, and other...

Lesson Planet: Curated OER

#### Find the Height of a Triangle Given Area (Even Base) (Example)

Develop a method to find an unknown measurement. Learners watch a video as the narrator presents an example of finding the height of a triangle knowing the base and area. The example shows how to take a half of the base to arrive at a...

Lesson Planet: Curated OER

#### Find the Height of a Triangle Given Area (Odd Base) (Example)

Sometimes math requires dealing with fractions. An instructional video shows how to substitute into a formula and solve for an unknown measure. Pupils watch as the presenter determines the height of a triangle even when the length of the...

Lesson Planet: Curated OER

#### Find the Height of a Triangle Given Area (Odd Base and Decimal Area) (Example)

There is more than one way to find the height of the triangle. Scholars view a video that finds the height of a triangle given the area and the base. The example involves fractions and decimals as the presenter shows how to solve the...

Lesson Planet: Curated OER

#### Find the Height of a Rectangle Given the Area (Example)

Just how long is that rectangle? Pupils watch a short example on finding the base of a rectangle. The video shows how to use the formula for area to solve for an unknown measure knowing the other two.

Lesson Planet: Curated OER

#### What’s Your Party Like? An Exploration of Area

Who knew that a party is all about the area. Individuals draw out a patio on grid paper while planning to host a party. Using colored paper to represent the total area of the patio, learners cut out furnishings to add to the patio,...