Attributes at a Glance Plan
A comprehensive teacher's lesson plan for Lesson 2, focusing on defining and non-defining attributes of triangles. Includes a structured instructional arc and prep checklist.
Defining vs Non-Defining Slides
A 5-slide visual presentation for Lesson 2 that introduces defining vs. non-defining attributes of triangles with high-contrast visuals and interactive challenge prompts.
Attribute Sort Cards
A set of 9 printable cards featuring various shapes for a sorting activity. Includes true triangles with varied non-defining attributes and non-triangles to challenge student reasoning.
True Triangle or Not? Sort Mat
A sorting mat for students to categorize shape cards into 'True Triangles' and 'Not Triangles'. Includes a writing prompt for justification and a visual checklist of defining attributes.
Math Talk Prompts
A teacher resource providing discussion prompts and student sentence frames to support academic language development and mathematical justification during the attribute lesson.
Spin and Sort Center
A learning center game where students spin a paperclip spinner and collect shapes matching the category (Triangle or Not a Triangle). Promotes justification and social-mathematical engagement.