Geometry
Online Version of the Textbook
Chapter 1 - Tools of Geometry
Geometer Sketchpad Tutorial Videos
Another Geogebra Tutorial YouTube
Points, Lines, and Planes Geogebra File
More Points, Lines and Planes Geogebra File
Barbie ZipLine Distance Formula Project
Distance Formula Geogebra File
Three Acts Dan Meyer Best Midpoint
Put The Protractor on the Angle to Measure Geogebra File
Triangle Shoot Game (Like Duck Hunt) (1.4)
Drag and Drop Game (1.4)
Angle Relationships Millionaire (1.5)
Complementary and Supplementary Angles (1.5)
Concave and Convex Polygons (1.6) Geogebra File
Chapter 3 - Parallel and Perpendicular Lines
Parallel Lines and Transversals Geogebra File
Name Angle Positions Geogebra File
Skew Lines Geogebra File
More Skew Lines Geogebra File
Parallel Lines Cut by a Transversal Geogebra File
Even More Parallel Lines Cut by a Transversal Geogebra File
Gamified Parallel Lines Cut by a Transversal Geogebra File
Slope and Y-intercept Post from Dan Meyer
Slope Geogebra File
State the Slope of the Line Geogebra File
Slope-Intercept, Point-Slope, Linear Forms of Lines Geogebra File
Converse of Parallel Lines Theorem Geogebra File
Parallel and Perpendicular Lines Slopes Geogebra File
Another Parallel and Perpendicular Lines Slopes Geogebra File
Chapter 4 - Congruent Triangles
Way to Introduce Triangle Congruence Theorems
Interactive Notebook Pages on Triangle Congruence Theorems
Congruence Theorems Geogebra File
Does SSA work for congruence? Geogebra File
Does AAA work for congruence? Geogebra File
NCTM's Congruence Theorems Applet
Kahoot on Triangle Congruence
Chapter 5 - Relationships in Triangles
Points on the perpendicular bisector are equidistant Geogebra file
Cut and Sort Altitudes and Medians Activity
Triangle Inequalities Geogebra File
Glencoe Medians and Altitudes Self-Check Quiz
Use Pretzel Rods instead of Linguine
Does it make a triangle? Geogebra Activity
Chapter 6 - Quadrilaterals
Sum of the Interior Angles of a Polygon Geogebra File
More Sum of the Interior Angles of a Polygon Geogebra File
Parallelogram Properties Geogebra File
More Parallelogram Properties Geogebra File
Even More Parallelogram Properties Geogebra File
Diagonals in a Parallelogram Geogebra File
Diagonals in a Rectangle Geogebra File
Diagonals in a Rhombus Geogebra File
Investigating Rhombi Geogebra File
Exploring Trapezoids Geogebra File
Isosceles Trapezoids Geogebra File
Midsegment of a Trapezoid Geogebra File
Kite Geogebra File
Chapter 7 - Proportions and Similarity
Solving Word Problems with Ratios (7.1)
Sugar Packets and Proportions Activity (7.1)
Ratio Proportion and Percent Games (7.1)
Class Activity with Measurement and Proportion of Barbie and Real Life People
Similar Polygons Geogebra File (7.2)
Transformations Activity with Ms. PacMan (7.6)
Transformations (7.6) Geogebra File
Similar Shapes MangaHigh Activity
Chapter 8 - Right Triangles and Trigonometry
A Visual Approach to Simplifying Radicals (8.1)
Taco Cart Pythagorean Theorem (8.2)
Wizard of Oz and Pythagorean Theorem Activity (8.2)
Pythagorean Theorem Dynamic Visual
Stories about 45-45-90 and 30-60-90 Triangles to Read In Class (8.3)
Dan Meyer on Simplifying Square Roots and Special Right Triangles (8.3)
Special Right Triangles Geogebra File (8.3)
More Special Right Triangles Geogebra File (8.3)
Interactive Notebook on Special Right Triangles (8.4)
Get Students to Know Opposite and Adjacent Legs (8.4)
Angles of Elevation and Depression (8.5)
Special Right Triangles (8.3-8.5)
Chapter 9 - Transformations and Symmetry
Rotation Translations (Actually Includes All)
Rotational Symmetry with Quadrilaterals
Rotational Symmetry with an Object
More Objects and Rotational Symmetry
Chapter 10 - Circles
Equation of a Circle Desmos Activity
Circle Vocabulary (10.1)
Chords and Arcs Geogebra Activity (10.3)
Congruent Chords and Arcs Geogebra Activity (10.3)
Chords, Secants and Tangents Foldable (10.3)
Circumference Geogebra Activity
The Number of Diameters in Circumference Geogebra Activity
Angle at the Center and Circumference
More Central and Inscribed Angles
Congruent Chords and Central Angles
Chapter 11 - Areas of Polygons and Circles
All of the Area Formulas in one Geogebra Notebook
Parallelogram to Rectangle Visual Area
Area of a Triangle Related to Parallelogram
Area of a Trapezoid to a Parallelogram
Chapter 12 - Extending Surface Area and Volume
Surface Area Interactive Notes
YouTube Video on Solid Volumes (for display only, won't work because of YouTube on Chromebooks)
Volume Math Mistakes (good for bellringer)
Volume of a Pyramid Proof by Play-Doh
Volume of a Pyramid Proof by Paper Net
Evaluating Statements About Enlargements MARS/MAP Project Activity
Volume Comparison Yummy Math
Volume Comparison Dan Meyer 3 Act Math
Candy Carton Design Activity by MARS/MAP
Other Useful Sites:
Glencoe's Self-Check Tests (good for reviews)
Circumcenter, Incenter, Orthocenter and the Euler Line
Geometry Games at Math Playground
Review Game Zone allows you to add your own content questions and kids get to play games like PacMan etc