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Geometry Warm Ups | Triangles and Proofs Bell Ringers | Google Slides

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Grasshopper Mathematics
202 Followers
Grade Levels
8th - 11th, Homeschool
Resource Type
Standards
Formats Included
  • Google Slides™
Pages
54, 22 slides of student work
$6.00
$6.00
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Grasshopper Mathematics
202 Followers
Made for Google Drive™
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Description

Several days of openers (5-15 minute review problems) or check ins for Geometry to try to catch students up and maintain previous skills. These Bell Ringers are the perfect activity while you take attendance and provide for a discussion at the beginning of each class. Most problems are designed to be completed on a whiteboard and then discussed as a class but this can easily be adjusted as the document is editable. I use this to be sure that my students are able to draw and define key terms such as congruent angles, congruent triangles, that they can write a two column proof and apply triangle sum theorem.

⭐Skills Required:

  • Triangle Sum Theorem
  • Triangle Proofs
  • Congruent Triangles

❤️Resource is Great for:

  • Geometry
  • Do Nows | Openers
  • Middle School Math Class
  • Scaffolded Notes

⭐Includes:

  • 54 Google Slides
  • 22 slides with answer keys plus 5 check in slides
  • Editable
  • Terms of use

More Geometry Do Nows:

Polygons Bell Ringer

Triangles Bell Ringer

Logic Bell Ringer

See my Algebra Do Nows:

Do Now: Exponent Properties

Do Now: Graphing Unit

See my Geometry products here!

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Total Pages
54, 22 slides of student work
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
Use geometric descriptions of rigid motions to transform figures and to predict the effect of a given rigid motion on a given figure; given two figures, use the definition of congruence in terms of rigid motions to decide if they are congruent.
Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.
Explain how the criteria for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions.
Prove theorems about triangles.

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