Khan Academy

Pythagorean theorem in 3D (K-A)

Pythagorean theorem word problem: fishing boat (K-A)

Pythagorean theorem word problem: carpet (K-A)

Another Pythagorean theorem proof (K-A)

Bhaskara's proof of the Pythagorean theorem (K-A)

Garfield's proof of the Pythagorean theorem (K-A)

Pythagorean theorem proof using similarity (K-A)

Dilating shapes: shrinking by 1/2 (K-A)

Dilating shapes: expanding (K-A)

Performing dilations (K-A)

Dilating shapes: shrinking by 1/2 (K-A)

Dilating shapes: expanding (K-A)

Performing dilations (K-A)

Rigid transformations intro (K-A)

Determining rotations (old) (K-A)

Determining translations (old) (K-A)

Dilating lines (K-A)

Performing reflections: line (old) (K-A)

Identifying type of transformation (K-A)

Performing reflections: rectangle (old) (K-A)

Performing rotations (old) (K-A)

Performing translations (old) (K-A)

Determining reflections (advanced) (K-A)

Rotation examples (old) (K-A)

Reflecting shapes: diagonal line of reflection (K-A)