Khan Academy

Multiplying three numbers in scientific notation (K-A)

Scientific notation example: 0.0000000003457 (K-A)

Scientific notation examples (K-A)

Scientific notation review (K-A)

Scientific notation word problem: red blood cells (K-A)

Scientific notation word problem: speed of light (K-A)

Scientific notation word problem: U.S. national debt (K-A)

Simplifying in scientific notation challenge (K-A)

Subtracting in scientific notation (K-A)

Congruent shapes & transformations (K-A)

Determining reflections (K-A)

Determining rotations (K-A)

Determining translations (K-A)

Finding measures using rigid transformations (K-A)

Identifying transformations (K-A)

Introduction to geometric transformations (K-A)

Mapping shapes (K-A)

Non-congruent shapes & transformations (K-A)

Angles in a triangle sum to 180° proof (K-A)

Reflecting points (K-A)

Angles, parallel lines, & transversals (K-A)

Reflecting shapes (K-A)

Congruence and similarity — Basic example (K-A)

Reflecting shapes-video (K-A)

Congruence and similarity — Harder example (K-A)