Cynthia Lanius

Polyominoes -

Teachers' Notes

This activity, written to comply with the NCTM Standards, and to support the Texas Essential Knowledge and Skills (TEKS) uses a fun mathematical puzzle to provide a base for investigation and discovery. It can be used in geometry or in Algebra I to provide data for curve fitting. An online Tetris game can be used to create interest and give experience in rotations, reflections, and translations. Even though I don't have any data to back it up, I know from personal experience that playing Tetris builds intuition about transformations.

Grade Levels: 5-10

Procedures: Activities are written to be done independently by students or with guidance from the teacher.

Mathematics Topics: Assigning variables, making predictions, writing formulas, graphing, perimeter, rotations, reflections

Connecting Mathematics: Connects geometry and algebra (curve-fitting)

Materials and media: Square grid paper, triangle grid paper, Internet connection

Suggested Assessment: Evaluate student answers to Challenge Problems.

Texas Curriculum Documentation:


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Copyright 1998-2004 Cynthia Lanius

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