Preliminaries

Triangle Puzzle

Where Do We Live?

What Is An Angle?

Parallel Lines

How can we compare and contrast shapes?

Shaping up

The fab four

Solid shapes

Fighting crime

Walking around a triangle

Triangle angles

Property Rights

Exploring and Constructing Shapes

Reflections, Rotations, Translations

Triangle Congruence

Same or Different?

Eerily Similar

How tall?

Symmetry

How do we measure things?

I’m the Biggest Kid!

Try This On For Size

Perimeters

Measuring area

New units

Moving and Additivity

Moving Boxes

Shear Fun

Close Enough

Measuring Circles

Formulate our thoughts

Building Blocks

The right formula

Acute case

Feeling obtuse

Parallelogram area

Cases to consider

Circle the wagons

The Pythagorean Theorem

Perimeter and Area

Scale It Up

My Feelings Are Similar...

Back And Forth

Area and Volume Conversions

How do we connect geometry and algebra?

Sequences

Gertrude the Gumchewer

I Walk The Line

Where Are We?

The Graphic Details

Final challenge: counting and probability

You Can Count On It

Compare And Count

Counting structure

High Rollers

How Likely

Go Climb A Tree!

You Can Count On It Getting More Difficult

You can download a Certificate as a record of your successes.