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Hands-On Lessons

3D-Geometry
1.  Task Cards for Building Polyhedra

2.

3.

4.  Build a Model - Volume of a Square Prism and Volume of a Square Pyramid

6.  Making Nets for  a Rectangular Box and Relational Pyramid

7.  Exploring Surface Area and Volume

8.  Maximum Volume - How is That Box Changing?

9.  Interactive Site for Developing Surface Area of a Cone

Area

Geoboard Template

9.  Area of Irregular Regions

10.  Finding the Area of a Parallelogram

Do Now

Parallelograms to Explore

Assignment

11.  Finding the Area of a Trapezoid

Do Now

Discovery Sheet

Problems for Practice

Homework
12.  Finding the Area of a Triangle

Do Now

Triangles and Related Rectangles

Assignment

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Points of Concurrency

(Available through Teacherspayteachers.com)

3.

Points of Concurrency - GSP

(Available through Teacherspayteachers.com)

Transformation

1.  Discovering Patterns In Transformations with a Geoboard

5.  Translations

6.  Rotations

7.  Reflections

8.  MP4 Video on How Animators Use Transformational Geometry

9.  Student Directed Lesson on Translations 10.  Student Directed Lesson on Reflections 11.  Student Directed Lesson on Rotations

12.  Teacher-Led Lesson on Translations 13.  Teacher-Led Lesson on Reflections 14.  Teacher-Led Lesson on Rotations

15.  Exploring Translations with the Geometer's Sketchpad
16.  Creating Transformations on the TI84 17.  Creating Transformation on the TI-Nspire
(From Texas Instruments)

18.  Investigating Translations on the Communicator 19.  Investigating Reflections on the Communicator 20.  Investigating Rotations on the Communicator

21.  Exploring Reflections with the Geometer's Sketchpad
22.  Alternative Lesson on Investigating Reflections on the Communicator 23.  Exploring Rotations with the Geometer's Sketchpad

Similarity
1.  Create an Enlargement, Reduction, or Distortion of a Cartoon

7.  That's a Really Big Dog!
8.  Discovering Ways Triangles are Similar

Available through Teacherspayteachers.com)
9.  Finding the Height of a Flagpole

Available through Teacherspayteachers.com)

11.  Similar Polygons Through Dilations

1.  How Many Squares Can You Find on an 11 x 11 Geoboard?

Flipchart file

(Available through Teacherspayteachers.com)

11.  Constructing Squares and Rectangles with Patty Paper

Triangles
1.  Angles of a Triangle 2
2.  Lines in a Triangle
3.  Angles of a Triangle and Triangle Inequalities

6.  Triangle Classification

Activity Sheet

7.  Exploring Properties of a Midsegment with Patty Paper 8.  Exploring Properties of a Midsegment with a Communicator 9.  Discovering 45-45-90 Triangles

Activity Sheet

Discovering 30-60-90 Triangles

Isosmetric Dot Paper

Do Now

11.  How Many Parts are Needed?

Student Handout
12.  Video for folding an incenter Dynamic Lesson on Incenter and Circumcenters

Chart for Location of Incenter and Circumcenter Hospital Locator (Illuminations - Map

Parallel and Perpendicular Lines

2.  Parallel Lines - An Investigation

4.  Sum of the Angles of a Polygon

Communicator Template

Angles of a Polygon Chart

Angles of a Polygon Chart Answers

Excel Spreadsheet of Angles of a Polygon

Assignment
5.  Understanding the Relationship between Parallel and Perpendicular Lines
7.  Investigating Properties of Parallel Lines

Distance, Pythagorean Theorem, Midpoints

3.

7.  Understanding the Distance Formula

9.  Sketchpad Activity on the Pythagorean Theorem

11.  Exploring the Pythagorean Theorem with the Communicator

12.

Tangrams
1.  Triangle Sum

Sample Questions

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5.  Folding a Tangram

Circles

Video

4.  Investigation Line and Line Segments in a Circle

5.  Folding a Circle 6.  Sketchpad File on Circumference/Diameter of a Circle

Diameter - Circumference Chart

8.  Finding Arc Length

Do Now

Transparency Masters

Assignment

9.  Chords-Tangents-Secants

Do Now

Student Activity Sheet

Transparencies

Sketchpad Demo for Secant and Tangent Lines

12.  Circle Tool File
13.  Inscribed Angles

Integrating Writing
1.  Write a Children's Book 2.  Cartoons 3.  Rhymes

4.  Tangram Stories 5.  How To Construct 6.  End of Year

7.  Wanted Posters 8.  Transformations and Tessellations 9.  Writing Definitions for Supplementary and Complementary Angles
10.  Other Forms of Writing   11.  Directions for Making the Booklet

Assessment Ideas
1.  Assessment Ideas for Discovering Geometry

4.  Student Mobiles   5

Miscellaneous

2.  Pascal's Triangle Powerpoint

Pascal's Triangle Activity Sheet

4.  Finding and Analyzing Artifacts 5.  Origami 6.  Write a Poem

7.  Pop Up Cards (Fractals) 8.  Using Slope within Geometry Problems 9.  Develop Conceptual Understanding for Slope

10.  Traveling Networks

Networks

Network Chart

Student Sample Project
11.  Star Polygons

Star Polygon Data Chart

Scoring Rubric
12.  Geometric Probability with Right Triangles

Powerpoint Slides

14.  Develop Reasoning

Do Now
15. Geometric Probability and Expected Value

Powerpoint Slides

16.  Visualizing the Square Root of 2 on a Geoboard

Geoboard Template

Student Recording Sheet
17.  Visualizing the Square Root of 5 on a Geoboard

Geoboard Template

Student Recording Sheet
18.  Geometric Probability
Transparency
Handout
Homework

Square Root Activity on the Geoboard