Transformations

Specific Expectations

• explain how a coordinate system represents location, and plot points in the first quadrant of a Cartesian coordinate plane; 6m52
• identify, perform, and describe, through investigation using a variety of tools (e.g., grid paper, tissue paper, protractor, computer technology), rotations of 180º and clockwise and counterclockwise rotations of 90°, with the centre of rotation
inside or outside the shape; 6m53
• create and analyse designs made by reflecting, translating, and/or rotating a shape, or shapes, by 90º or 180º (Sample problem: Identify rotations of 90° or 180° that map congruent shapes, in a given design, onto each other.). 6m54

Materials

Graph paper, graph paper transparency.

Important Terminology

co-ordinate, reflection, rotation, translation, x-axis, y-axis

Background Knowledge

Hook

Patterns in art - show islamic art - look for rotation, translation, symmetry

Lesson Sequence

Look at patterns in art and identify
Introduce/review co-ordinate system.
Do translation card game.
Stop to share strategies.

Key Questions

Leading questions given by you to the students and expected questions from the students

Assessment

Enrichment

Remediation

Implications for Future Lessons

Resources

http://www.helpingwithmath.com/by_subject/geometry/geo_worksheets.htm
http://www.math-drills.com/geometry.shtml
Congruance app
Shodor's Transmographer