Khan Academy

Finding missing side when given area (K-A)

Measuring area with partial unit squares (K-A)

Transitioning from unit squares to area formula (K-A)

Area and the distributive property (K-A)

Creating rectangles with a given area 1 (K-A)

Creating rectangles with a given area 2 (K-A)

Area word problem: house size (K-A)

Comparing areas of plots of land (K-A)

Decomposing shapes to find area: add (K-A)

Decomposing shapes to find area: grids (K-A)

Decomposing shapes to find area: subtract (K-A)

Euclid as the father of geometry (K-A)

Identifying rays (K-A)

Lines, line segments, & rays (K-A)

Lines, line segments, and rays review (K-A)

Terms & labels in geometry (K-A)

Geometric definitions example (K-A)

Congruent line segments (K-A)

Measuring Line Segments (K-A)

Drawing parallel line segments (K-A)

Parallel & perpendicular lines intro (K-A)

Parallel & perpendicular lines Video (K-A)

Parallel and perpendicular lines review (K-A)

Specifying planes in three dimensions (K-A)

The golden ratio Video (K-A)