Videos

Food and Shapes
111

Perimeter
116

Area
108

Comparing Perimeter and Area
96

Perimeter & Area of a Rectangle
144

Perimeter & Area of a Square
54

Let's Practice!
65

Let's practice more!
64

Counting the Squares
74

Prime Cracker Problem
195

Composite Cracker Problem
163

Perfect Square Cracker Problem
258

Introduction
105

Area of a Right Triangle
130

Area of Acute and Obtuse Triangle
166

Common Mistakes
106

Finding the Unknown
36

Counting the Lines
82

The "Moo"re the merrier
270

Forming 3D Solids
159

Painting the Outside
254

Painting Sideways
89

Equality
181

How much is in it?
206

Volume of a Rectangular Prism
216

Volume of a Cube
122

Let's Practice
186

How Many Are in There?
264