Concepts in Motion
Animations are demonstrations of selected Key Concepts and topics from your textbook.
Proportional and Nonproportional Relationships
Proportional Relationships
Similar Polygons
Dilations
Indirect Measurement
Interactive Labs are problem-based learning opportunities that provide additional practice on a variety of topics.
Solving Proportions
BrainPOPS are 3- to 5-minute animated movies that provide a clear and concise explanation of a particular topic in an engaging manner.
Similar Triangles