Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)

Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Types of Lines & Angles (ACUTE, OBTUSE, RIGHT, PERPENDICULAR, PARALLEL, ETC.)
Grade Levels
Common Core Standards
Product Rating
4.0
7 ratings
File Type

PDF (Acrobat) Document File

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1 MB|6 pages
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Product Description
This purchase contains 17 printable cut-outs of various 2D shapes and three classifying charts for types of lines (parallel, perpendicular, and intersecting lines) and angles (acute, obtuse, and right).
HOW TO USE THIS PRODUCT

Organize your students in groups – I want to generate discussions and accountable talk amongst my students with this activity. Each group is given a set of shapes and asked to sort the shapes first by types of angles, then by types of lines

Have a chart ready to go – I put my chart on the active board. Once all groups are done sorting the shapes by angles/lines, I appoint some individuals to go up and fill in the letters representing shapes for each column of the chart. I will purposely select students/groups with incorrect answers to generate debates and discussions.

DEBATE TIME! – I then give my students a certain about of time to critique the filled out chart.

Friendly critiques – Finally, we analyze what is wrong with the chart and fix the misconceptions. All corrections are STUDENT LED.

These activities are meant to build conceptual understanding – Most often students are able to merely memorize the definitions of the various shape characteristics. Examining shapes and applying conceptual knowledge of vocabulary terms magnifies understanding. For most students the idea that a shape can fit into more than one column is new. Creating “always, sometimes, and never” statements on shapes is a rigorous process that my students initiate.

TAKE YOUR TIME! – There’s no rush. Let the exploration process take its time. 

Total Pages
6 pages
Answer Key
Included
Teaching Duration
2 days
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