Curated OER
A Star Sheds a Comet Tail!
In this comet tails and stars activity, students read about the star Mira and the vast clouds of gases it emits. They use a photograph from the Galaxy Evolution Explorer satellite to solve 5 problems about the scale of the image, the...
Curated OER
Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
Curated OER
Hands-On Geometry
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
Texas Instruments
Texas Instruments: What's in a Name? Explorations in the Coordinate Plane From
Students will plot points in a coordinate plane and reflect those points across the axes using a MIRA and then using the graphing calculator STAT, STAT PLOT, and GRAPH menus graph the image on the graphing calculator screen.
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.