Opposite face identification in a dice
medium
1 of 5 Lessons
Unfolding of a cube into a 2D net
medium
2 of 5 Lessons
Counting the number of cubes in a block
medium
3 of 5 Lessons
Counting triangles/squares in complex diagrams
medium
4 of 5 Lessons
Visualizing the total edges of composite shapes
medium
5 of 5 Lessons