Unit 11 of 18

Similarity

Proportional geometry.

Every topic follows the curriculum standard

Learn→See→Try→Explain→Verify→Challenge→Transfer→Master

Topics in this unit

4 topics. Each card opens a full topic workspace and supports all eight learning actions.

Scale factor structure

Not started

Corresponding angles and sides

Not started

AA criterion

Not started

Indirect measurement

Not started

Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.

Solve grade/course-level problems with full understanding.

Parameters, multiple representations, proof, and modeling.

Non-routine problems and competition applications.