- Teach students to understand scale factors.
- Introduce key terms.
- Provide exemplars, such as car models or apple seeds.
- Students practice dilations using or .
Tips and Tools
See this Dilations and Isometryfor ideas on teaching these topics.
Highlight Mathematical Practice 7, Look for and make use of structure, on the.
If time permits, have students brainstorm other dilations, then meet in triads and offer a one-minute presentation on why dilations matter.
Have students complete.