Videos
Dealing with Shapes
187
Step Up
412
Square
60
Mathematical Results
284
Visualizing Area
278
Triangles
282
Rectangles & Squares
268
Living on the Edge
147
Count'em Up
107
Rectangle
119
Hexagon
121
Different but Equal!
226
Different but Equal!
226
Different but Equal!
226
Same Areas, Different Perimeters
66
Same Areas, Different Perimeters
66
Same Areas, Different Perimeters
66