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# Proving Triangles Congruent By SAS and HL Fall 2013 (Editable)

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Product Description
This worksheet is designed to replace a lecture on the topic of proving triangles congruent by SAS and HL. It is assumed that students have already seen SSS and have seen the basic idea of how proofs work.

NOTE: this worksheet contains specific page number references to page 240 (SAS congruence postulate) and 241 (HL congruence theorem) of my book: make sure you change these page numbers to match your text before running off this worksheet!

I start out class with a 15-minute "mini-lesson," giving my students some basic examples of what today's lesson will be about. Once the mini-lesson is over, I have them get to work within their groups on this worksheet.

I use this activity within cooperative groups, and I circulate to make sure they are getting the purpose of the questions.

The file includes spiral review problems.

This worksheet is intended to be written on directly.

Please download the pdf preview file first, so you can see exactly what's included; the product file is a word document, which you may personalize for your students.

Immediately before this worksheet, I use the worksheet named 'Using the Reflexive Property of Congruence Fall 2013' (http://www.teacherspayteachers.com/Product/Using-the-Reflexive-Property-of-Congruence-Fall-2013-1070698), and immediately after this worksheet, I use the worksheet named 'Proving Triangles Congruent Using ASA and SAA Fall 2013' (http://www.teacherspayteachers.com/Product/Proving-Triangles-Congruent-Using-ASA-and-SAA-Fall-2013-1070315)

Keywords: Jonnard
Total Pages
2 pages
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Teaching Duration
1 hour
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