National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Sonya's Symmetry
Straightforward lesson designed to introduce learners to symmetry and reflection using MIRA mirrors. Includes two worksheets--instructions and activities are available in English and Spanish.
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Srinivasa's Spheres
Straightforward lesson that introduces students to pi by letting them measure real objects and solve a challenge problem. Includes instructions and a "Data Sheet" for keeping track of measurements. Available in English and Spanish.