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# Parallelograms

## Quadrilateral with two pairs of parallel sides.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## SLT 41 Prove & apply opposite sides and opposite angles of a parallelogram are congruent.

by MCPS Math //at grade

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## SLT 42 Prove and apply the diagonals of a parallelogram bisect each other and its converse.

by MCPS Math //at grade

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## Parallelograms

by Nataliya Nikiforova //at grade

This concept teaches students properties of and theorems about parallelograms and how to apply them.

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## Parallelograms

by Dawn Sterzinger //at grade

This concept teaches students properties of and theorems about parallelograms and how to apply them.

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• PLIX

by CK-12 //at grade

Parallelograms Interactive

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• Video

## Parallelograms Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Parallelograms.

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• Video

## Parallelograms Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Parallelograms.

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## Parallelograms Quiz

by CK-12 //at grade

Ten question quiz. Students must use their understanding of the sides, angles, and diagonals of parallelograms to solve for missing sides, angles, and diagonals using basic arithmetic and algebraic skills.

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• Practice
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## Parallelograms Practice

by CK-12 //at grade
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• Critical Thinking

## Parallelograms Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Parallelograms.

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## Parallelograms Pre Read

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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## Parallelograms Post Read

by CK-12 //at grade

To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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• Pre and Post Read

## Parallelograms KWL Chart

by CK-12 //at grade

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Real World Application

## A Parallelogram for the Stars

by CK-12 //at grade

By using binoculars and a parallelogram mount, you can see the stars.

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• Real World Application

## Parallelograms

by CK-12 //at grade

Can you identify and classify parallelograms in architecture?

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• Study Guide

## Parallelograms Study Guide

by CK-12 //at grade

This study guide looks at properties of parallelograms and special parallelograms (rectangle, rhombus, square), theorems about parallelograms and special parallelograms, and how to identify special parallelograms.

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