Lesson Plan
Curated OER

Application of Delta-Epsilon Definition of the Limit

For Teachers 12th - Higher Ed
Students create a Hexaflexagon using a formula. In this calculus lesson, students apply the definition of delta epsilon as it relates to limit to create a shape using creases. They relate the same rule to triangles and investigate angles.
Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 8th - 10th
Students use the inequality theorem to solve triangles and their properties. In this geometry instructional activity, students are given spaghetti of different lengths and asked to create triangles. They conclude the necessary length...
Lesson Plan
Curated OER

Designing a Quilt Pattern

For Teachers 8th - 12th
Students create and color a one-patch quilt design based upon a regular hexagon. They examine quilts and photos of quilt designs, read a handout, and complete their quilt design on a worksheet.
Lesson Plan
Curated OER

Hidden Jewels of Geometry

For Teachers 5th - 8th
Students identify different geometric shapes, and arrange them artistically in original jewelry designs.
Lesson Plan
Curated OER

Structures and Shapes

For Teachers 3rd - 4th
Students make jewelry using different shapes from magazines, tissue paper, cardboard, and other materials. In this making jewelry lesson plan, students complete this hands on activity to discuss how shapes are used.