Learning Objective

Students will be able to demonstrate their understanding of geometric transformations by using Brush Ninja to create animations that show translations, reflections, and rotations.

Materials

• Computers or tablets with internet access
• Brush Ninja website
• Paper and pencil for planning sketches

Procedure

1. Begin by reviewing the three types of geometric transformations: translations, reflections, and rotations. Show examples of each type using shapes on a whiteboard or chart paper.
2. Introduce Brush Ninja as a tool for creating animated gifs that demonstrate these transformations.
3. Have students work in pairs to plan out their animations with pencil and paper. They should brainstorm ideas for shapes they can use and how they will show the transformation.
4. Students can then visit Brush Ninja and begin creating their animations.
5. Once complete, have students share their animations with the class and explain which transformation they demonstrated.

Assessment

Assessment will be based on:

• Completion of an animation that demonstrates at least one type of geometric transformation
• Accuracy in demonstrating the chosen transformation
• Creativity in choosing shapes and designing the animation

Extension

For students who finish early or need an extra challenge, they can try incorporating multiple types of transformations into one animation or experiment with different styles of animation (e.g. stop-motion). Additionally, you could ask students to research real-world examples of geometric transformations (e.g., how reflection is used in mirror symmetry) and present their findings to the class.

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