+
Unit Plan
Enchanted Learning

Enchanted Learning: World Flags

For Students 6th - 8th
Enchanted Learning features this website devoted to the study of the world's flags. There are fact sheets, illustrations, current and historical flags, and related links.
+
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: To Pythagoras and Beyond

For Teachers 9th - 10th Standards
Based off of the hit television show NUMB3RS, this lesson has students discover the Pythagorean relationships of different triangle types. By the end of the lesson, students should be able to take three given side lengths and compute...
+
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Soils

For Teachers 6th - 8th
In this guided inquiry students will specify soil types by using various methods of determining soil textures and analyze them with a soil triangle. This activity is a laboratory investigation where students gather data on soil textures,...
+
Activity
Analyze Math

Analyze Math: Reflection Across a Line

For Students 9th - 10th Standards
Reflect any point, line segment, triangle, or any other figure over one or two lines using this dynamic applet. Points and lines are entered by point-and-click rather than by typing equations or ordered pairs. A very neat exercise to...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Similar Quadrilaterals

For Teachers 9th - 10th Standards
The goal of this task is to study if the analog of the AA criterion for similarity of triangles holds for different types of quadrilaterals. Aligns with HSG-SRT.A.2.
+
Lesson Plan
Better Lesson

Better Lesson: Tri, Tri, Tri Angle!

For Teachers K Standards
Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson kindergartners learn about different types of...
+
Handout
CK-12 Foundation

Ck 12: Geometry: Polygons Study Guide

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This study guide focuses on polygons: convex vs concave, interior and exterior angles, and basic terminology for common polygons.
+
Whiteboard
ClassFlow

Class Flow: Dissection Puzzles

For Teachers 9th - 10th
[Free Registration/Login Required] If you like tangrams, you'll enjoy this flipchart. Dissect and arrange in different shapes all types of squares, triangles, and polygons.

Other popular searches