Handout
CK-12 Foundation

Ck 12: Geometry: Representing Solids Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide gives an overview of isometric view, orthographic view, cross-section, and nets.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 10.4 Slope of Parallel and Perpendicular Lines

For Students 9th - 10th Standards
Understand how to find the slope of parallel and perpendicular lines.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 6.7 Applications of Similar Triangles

For Students 9th - 10th Standards
Learn how similar triangles have congruent corresponding angles and proportional corresponding sides.
Unknown Type
Math Slice

Math Slice: Solid Slice Special Test

For Students 9th - 10th Standards
A ten-question test for assessing geometry concepts with solid figures. This assessment is scored online providing students with immediate feedback. Great for use as an assessment tool.
Graphic
University of Cambridge

University of Cambridge: Nrich: Transformation Tease

For Students 3rd - 8th Standards
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Segment Addition

For Students 7th - 8th
Given an information about the lengths of line segments, form and solve an equation in order to find the lengths of the segments. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Activity
Annenberg Foundation

Annenberg Learner: Constructing Triangles

For Students Pre-K - 1st Standards
Use a "linkage strip" to build triangles with different side lengths. When you build a triangle, see if you can deform it into a different triangle while keeping the side lengths the same.
Lesson Plan
Better Lesson

Better Lesson: Unit 7 Pretest

For Teachers 6th
What do students already know about geometry? What gaps do students have in their understanding? Students take the Unit 7 pretest in order to inform instruction.
Lesson Plan
University of South Florida

Fcat: Reflection: Teacher Notes

For Teachers 9th - 10th Standards
Students use the coordinate plane to investigate how reflections affect geometric shapes. Can be used by the student, but is also a great lesson plan idea for teachers.
Handout
Homeschool Math

Homeschool Math: Line Symmetry

For Students 3rd - 4th Standards
Geometry lesson on line symmetry with practice exercises.
Handout
The Math League

The Math League: Acute Triangle

For Students 3rd - 8th Standards
This site gives the definition of acute triangles.
Handout
The Math League

The Math League: Pentagon

For Students 9th - 10th
This site contains a definition of a pentagon.
Unit Plan
Cuemath

Cuemath: Cone

For Students 9th - 10th Standards
Learn all about the basic properties of a cone. This lesson targets the formula, volume, parts, and shapes of a cone and has interesting solved examples and practice questions.
Unit Plan
Khan Academy

Khan Academy: Create Equations to Solve for Missing Angles

For Students 6th - 8th Standards
Use understanding of vertical, complementary, and supplementary angles to set up an appropriate equation to solve for a missing angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Vertical Angles

For Students 7th - 8th Standards
Given algebraic expressions that represent a pair of two vertical angles, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Cuemath

Cuemath: Perpendicuar

For Students 3rd - 8th Standards
A comprehensive guide for learning all about perpendicular lines with definitions, how to draw them, solved examples, and practice questions

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