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### We found 138 resources with the concept area of rectangles

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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...

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#### Geometry Unit 5: Quadrilaterals and Polygons

One's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...

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#### 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...

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#### 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...

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#### 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...

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#### High School Balanced Packet 1 Assessment Tasks

Are you looking for assessment tasks for Algebra 1, Algebra 2, or geometry? Check out this collection of 20 assessment tasks designed for high schoolers. Problems are presented with an open-ended format allowing students to use multiple...

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#### 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...

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#### Grade 7, Claim 1: Concepts and Procedures Item Slide Shows

Prepare seventh graders for end-of-year assessments with a collection of nine resources packed with teacher and student-friendly slides featuring problems that address the A-I competencies. Questions are modeled after Smarter Balanced...

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#### 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....

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#### 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...

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#### 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...

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#### 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...

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#### 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...

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#### Determining Rectilinear Area

Third graders find the area of rectilinear shapes by partitioning them into two non-overlapping rectangles and adding the areas of the non-overlapping parts together. It allows learners to recognize area as an additive.

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#### Determining Area with Square Units

Third graders measure area by counting unit squares inside a rectangle.

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#### Finding Area by Tiling

Third graders find area by tiling a rectangle based on the given side lengths. This helps learners visualize and create the area of a figure. From here, they can count the total number of tiles inside the rectangle to find the answer.

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#### Finding Side Length (Given Area)

Area is the amount of space that takes up the inside of a figure. To find the area of a rectangle, one must multiply the length by the width. Here, third graders are challenged to find the missing side length, given the area.

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#### 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...

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#### Multiplying Monomials

Multiply polynomials with Sal Khan! In this one-minute video, Sal describes what a monomial is, and how it can be used to express the area of a rectangle.

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#### Area and Perimeter Activities

Read this article before you begin teaching geometry! It gives teachers some insight into the world of teaching geometry to young learners, and four area and perimeter lessons are attached.

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#### Secret Formulas

Learners calculate the perimeter of rectangles and squares. They imagine trying to build a fence around a yard or trying to determine how much paint they need to paint a room. They also develop formulas and procedures for determining the...

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#### Hit the Deck: Area and Perimeter Review

Designing a deck sure demands a lot of math. Future engineers and architects learn about the areas and perimeters of squares, rectangles, triangles, and composite figures. They apply their new knowledge to design a deck with a specified...

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#### 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...

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#### Sports Bag

Lay it out using the least amount of material. Learners use the dimensions of a cylindrical sports bag to find out the size of pieces of material needed to sew them. The pupils find the best placement of the pieces to use the least...