FREE Triangle Congruence Proofs Sample | SSS SAS ASA AAS HL | Scaffolded SpEd
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Quick overview
## About the Resource
The **Free Triangle Congruence Proofs Sampler** is an **8-page preview for High School Geometry** that introduces students to **triangle congruence, SSS proofs, and two-column proof writing** through differentiated task cards and structured visual supports.
Students experience multiple levels of proof practice—from **fill-in-the-reason support to constructing a complete proof**—along with a Special Education-friendly sample featuring enlarged diagrams, color coding, and sentence stems. Worked solutions and a proof-outline organizer help students connect givens, geometric relationships, and justified conclusions.
Product description
⭐ **FREE 8-PAGE SAMPLE from the full Triangle Congruence Proofs Task Cards & Scavenger Hunt bundle** ⭐
Download this free sample to see exactly what you'll get in the full 90-page bundle—one task card from each of the three scaffolded tiers, plus a Special Education modified card and detailed solutions for every included problem.
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### **WHY THIS FREE SAMPLE?**
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This free sample demonstrates a **scaffolded, differentiated approach** to triangle congruence proofs:
✓ **THREE TIERS represented** — Fill-in-the-Reason, Fill-in-the-Statement, and Full Proof from Scratch ✓ **SpEd MODIFIED CARD** — Enlarged diagram, color-coded corresponding parts, and printed sentence stem ✓ **DETAILED SOLUTIONS** — Every sample proof includes a complete two-column proof and a “Why this works” explanation ✓ **PROOF-OUTLINE ORGANIZER** — Visual Given → Identify → Choose → Conclude frame on the Tier A card ✓ **COLOR-CODED DIAGRAMS** — Red, blue, and green tick marks for corresponding parts, designed to remain legible in black and white
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### **WHAT'S IN THIS FREE 8-PAGE SAMPLE?**
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**Page 1:** Cover page with overview
**Page 2:** Teacher Notes — How to Use This Free Sample, including tier table and classroom usage tips
**Page 3:** Tier A Sample Card — Card 1, SSS, two triangles; fill-in-the-reason format with word bank and proof outline
**Page 4:** Tier A Sample Solution — Complete two-column proof + “Why this works”
**Page 5:** Tier C Sample Card — Card 27, SSS, isosceles median; full proof from scratch
**Page 6:** Tier C Sample Solution — Complete two-column proof + “Why this works”
**Page 7:** SpEd Modified Sample Card — Enlarged diagram, color-coded parts, and sentence stem
**Page 8:** Marketing page with QR code linking to the full 90-page bundle on TPT
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### **SKILLS COVERED IN THIS SAMPLE**
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• **SSS (Side-Side-Side) Congruence Postulate** • **Reflexive Property of Congruence** (shared sides) • **Definition of Midpoint** • **Two-column proof structure and logical flow** • Reading color-coded diagrams using tick marks for congruent sides
The full bundle covers all five methods: **SSS, SAS, ASA, AAS, and HL**.
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### **HOW TO USE THIS FREE SAMPLE**
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**Tier A:** Use Page 3 for an entry-level two-column proof activity.
**Tier C:** Use Page 5 as a challenge for on-level or above-level students.
**SpEd Modified:** Use Page 7 for students who need enlarged diagrams, color-coded parts, and sentence stems.
**Solutions:** Use Pages 4 and 6 as a teacher key or student self-study resource.
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### **LOVED THIS FREE SAMPLE?**
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⬇⬇⬇ **UPGRADE TO THE FULL 90-PAGE BUNDLE** ⬇⬇⬇
The full **Triangle Congruence Proofs Task Cards & Scavenger Hunt** bundle includes:
✓ 36 task cards in 3 tiers of 12 ✓ Self-checking scavenger hunt with 8 looping cards ✓ Complete SpEd modified version with 4 proofs ✓ Detailed solutions with “Why this works” explanations ✓ Teacher notes, differentiation matrix, and proof-writing toolkit ✓ Student recording sheet
**Triangle Congruence Proofs Task Cards & Scavenger Hunt | SSS SAS ASA AAS HL**
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### **FILE DETAILS**
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**Format:** PDF, print-ready, US Letter **Total Pages:** 8 **File Size:** ~180 KB **Fonts:** Embedded **Diagrams:** 100% vector
Print on cardstock (110 lb) and laminate for durability. Diagrams are color-coded but remain legible in black and white through tick-mark count.
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© **UM Printables. All rights reserved.** This free sample is licensed for single-classroom use only. Posting it in whole or in part on the internet, school-wide servers, or district servers is prohibited. Sharing with other teachers requires additional licenses.
Frequently Asked Questions
How many pages are included in this free sample?
This free sample contains **8 pages**.
What tiers are represented?
The sample includes **Tier A, Tier C, and a Special Education Modified Sample Card**.
Which congruence method is featured in the sample cards?
Both sample task cards feature **SSS Congruence**.
What skills are covered?
The sample covers **SSS Congruence, the Reflexive Property of Congruence, the Definition of Midpoint, two-column proof structure, logical flow, and reading color-coded congruence markings**.
Are worked solutions included?
Yes. The sample includes **complete two-column proof solutions** for the Tier A and Tier C sample cards, along with “Why this works” explanations.
Is a Special Education version included?
Yes. Page 7 includes a **SpEd Modified Sample Card** with an enlarged diagram, color-coded parts, and a printed sentence stem.
What does the Tier A card include?
The Tier A sample uses a **fill-in-the-reason format**, a word bank, and a visual proof-outline organizer.
What does the Tier C card include?
The Tier C sample provides the diagram and requires students to construct the **full proof from scratch**.
What is included in the full bundle?
The full bundle includes **36 task cards across three tiers, an 8-card self-checking scavenger hunt, a 4-proof SpEd modified version, detailed solutions, teacher notes, a differentiation matrix, a proof-writing toolkit, and a student recording sheet**.