Lesson Plan
Illustrative Mathematics

Finding the Line of Symmetry

For Teachers 3rd - 5th Standards
Can you find the line of symmetry? That's what your students will demonstrate by completing this worksheet. The task gets increasingly difficult as shapes are included that have one line of symmetry, no lines of symmetry, and multiple...
Worksheet
Curated OER

Circles and Parabolas

For Students 6th - 11th
In this circles and parabolas activity, learners follow directions to draw parabolas. They fold paper to represent a parabola. Students also use straight lines to create a circle. This one page activity contains three multi-step...
Worksheet
Curated OER

Tearing a Piece of Paper in Half

For Students 9th - 11th
In this secondary mathematics worksheet, students investigate exponential growth as they predict the height of a stack of paper formed by tearing one sheet of paper in half over and over again for thirty tears.  The one page...
Worksheet
Curated OER

Money Is Irrational

For Students 10th
In this geometry lesson, 10th graders fold a dollar bill to make a tetrahedron. They analyze geometric shapes and apply it hands on.
Lesson Plan
Curated OER

Reflection: Student Worksheet

For Teachers 4th - 7th
In this math worksheet, students will work independently to trace a stencil on an x-axis. Then students will follow a procedure to trace the image on the horizontal line of reflection. Students will observe that reflections and rotations...

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