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### We found 199 resources with the concept trapezoids

Videos (Over 2 Million Educational Videos Available)

2:54

Phonics Song 2 (new version)

3:11

Defining Gravity

5:34

Women's History Activator: Eleanor Roosevelt

Other Resource Types ( 199 )

Lesson Planet

#### CORE Math Performance Assessment Modules: Grade 3

Assess the math skills of third graders by casting them in the roles of cookie makers, data collectors, farmers, gardeners, delivery people, theatre attendees, muralists, and window washers. The nine CORE Math Performance Assessments in...

Lesson Planet

#### 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

#### The Trapezoid

Enjoy this nicely organized worksheet that puts together multiple problems regarding trapezoid proofs. The resource can be used as a guide that begins with proving properties and ends with solving for measures of line segments.

Lesson Planet

#### The Great Calculus Caper

Motivate your classes with a unique approach to presenting problems. With this "caper," pupils must solve AP Calculus problems to eliminate suspects and determine the perpetrator. Topics range from velocity to trapezoid rule to volume of...

Lesson Planet

#### What is a Trapezoid? (Part 2)

This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...

Lesson Planet

#### Escape from the Zombie Apocalypse - Exploring Quadrilaterals through Google Maps and Google Earth

Prepare for the zombie apocalypse ... by studying quadrilaterals? Given a map of an imaginary town, scholars identify quadrilaterals created by streets. They then use Google Earth and Google Maps to find parallelograms, rectangles,...

Lesson Planet

#### Filling Up a Swimming Pool Task

Swimming pools are no fun without water. For a pool in the shape of a trapezoidal prism, scholars first calculate the amount of water needed to fill the pool. They use experimental data on water flow to determine whether to haul water...

Lesson Planet

#### Quadrilaterals

Connect the quadrilaterals. Working in teams, pupils use a variety of tasks to make connections between special quadrilaterals. With the properties well defined, the groups construct quadrilaterals based on those properties. Learners...

Lesson Planet

#### Natural Disaster Recovery and Quadrilaterals: Trapezoids and Land Assessments

After a tornado, an insurance company is in need of finding the area of a plot of land. Pupils use their knowledge of trapezoids and area formulas to calculate the area of the plot of land. The scholars work in groups to justify the...

Lesson Planet

#### Quadrilateral Or Not?

Teach young mathematicians which shapes are classified as quadrilaterals and which aren't. A fun card game engages learners of all levels as they match shapes to the teacher's requests.

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#### Fun on the Farm

Let imaginations run wild as participants design animal pens. A performance task challenges young mathematicians to determine the perimeter or a missing side length of different animal pens. They then design pens that meet given...

Lesson Planet

#### Accessible Shapes

All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....

Lesson Planet

#### Areas of Trapezoids

Don't get tripped up by trapezoids. An enlightening video first shows how to derive the formula for the area of a trapezoid by partitioning the figure and rearranging it into a triangle. It then works through two examples of finding the...

Lesson Planet

#### Area of a Trapezium

Trapezium or trapezoid is a matter location! A British narrator explains the process of finding the area of a trapezium, otherwise known as a trapezoid. After watching several examples, learners practice the skill with the included...

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#### Names of Quadrilaterals

They've all got four sides, but some have more interesting properties. Scholars learn the names of quadrilaterals. They also explore some properties of these quadrilaterals, including congruent angles, congruent and parallel sides, and...

Lesson Planet

#### Area and Perimeter of Trapezoids: Lesson

With a little averaging, a trapezoid becomes a parallelogram. The section of an extensive geometry playlist shows how to derive the formula for the area of a trapezoid by changing it into a parallelogram. Using the formula, the video...

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#### Quadrilateral Quandary

Classify quadrilaterals quickly. After playing a game to identify quadrilaterals, your young scholars should come away with knowledge of the properties of quadrilaterals. They then apply this knowledge to create a decision tree to ease...

Lesson Planet

#### Trapezoids: Lesson

Using the definition of a trapezoid, the segment within a large playlist on basic geometry explains other properties of trapezoids. The video introduces the special properties held by isosceles trapezoids.

Lesson Planet

#### Trapezoidal and Midpoint Approximations: Area of a Skirt

When are trapezoids better than rectangles? Using trapezoids pupils approximate the area of fabric defined by a function. Just like with rectangles, learners realize the more trapezoids the more accurate the approximation. Scholars use...

Lesson Planet

#### Writing Equations for Perpendicular Lines

Make the right connections between the equations of perpendicular lines. Pupils find the equation of a line perpendicular to another line in the context of finding the equation of a side of a geometric figure. Learners write their...

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#### Writing Equations for Parallel Lines

Make connections between geometry and algebra concepts. Using a point on a side of a geometric figure and the equation of the line that contains the parallel opposite side, learners find the unknown equation of the line. They write the...

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#### Transformations of Trapezoids

Transform trapezoids to a T. Pupils identify reflections and rotations that take trapezoids and map them back to themselves. They consider both isosceles and non-isosceles trapezoids.

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#### Quadrilaterals

Introduce the class to the quad in quadrilaterals. The presentation provides the names and definitions for the basic special quadrilaterals. A graphic shows the connections between the types of quadrilaterals introduced. The video points...

Lesson Planet

#### An Isosceles Trapezoid Problem

Prove the diagonals are shorter than the perimeter. Given an isosceles trapezoid, pupils develop a proof relating the length of the diagonals to the perimeter. Individuals sketch a graph of the trapezoid to assist with their explanations.