Lesson Plan
Curated OER

The Ambiguous Case

For Teachers 9th - 10th
Students investigate the relationship of triangles with its sides and angles. In this geometry lesson plan, students create visual on the graphing navigator as they study triangles. They move the sides around to create different...
Lesson Plan
Pennsylvania Department of Education

Fraction Strips

For Teachers 6th - 8th
Students explore number sense by participating in a class fraction game. In this number value lesson, students utilize strips of paper with fractions written on them and conduct a trivia game in which teams challenge each other. Students...
Lesson Plan
Curated OER

Geometry in the Real World

For Teachers 8th
Eighth graders complete a unit of lessons on basic geometry concepts. They participate in a variety of activities, culminating in a project that involves publishing a booklet or a poster that presents the major geometry concepts from the...
Lesson Plan
Curated OER

Playing with Remainders

For Teachers 5th
Fifth graders explore how people handle remainders in real life. For this remainders math lesson, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.
Lesson Plan
Pennsylvania Department of Education

Making Cubes

For Teachers 3rd
Third graders explore vocabulary associated with three dimensional figures.  In this transformations instructional activity, 3rd graders create two dimensional nets for three dimensional figures.  Students become familiar with...
Lesson Plan
Curated OER

What is a Tangram?

For Teachers 2nd - 4th
Young scholars identify a tangram. In this geometry activity, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Young scholars use tangrams to complete an included worksheet.
Lesson Plan
Curated OER

Angles

For Teachers 7th - 12th
Students measure angles using a protractor. In this geometry instructional activity, students solve for the missing angles using equations set to the theorem of triangles. They measure missing angles through construction and identify...
Lesson Plan
Curated OER

Investigation - Can You Guess My Favorite Color?

For Teachers 2nd
Second graders explore a bag of mixed pattern blocks. As a class they discuss different attributes of these shapes. In this math lesson, 2nd graders search to find shapes that are similar by placing shapes on top of one another to...
Lesson Plan
Curated OER

Corresponding Parts of Congruent Triangles

For Teachers 9th - 10th
Students identify different parts of a triangle. In this geometry lesson plan, students differentiate between similar and congruent triangles. They use the navigator to crate a visual of the different parts of a triangle.
Lesson Plan
Pennsylvania Department of Education

Length and Perimeter

For Teachers 3rd
Third graders explore tessellations and the spatial concepts used in creating them.  In this tessellations lesson, 3rd graders rotate, reflect and transform shapes to create tessellations.  Students become familiar with the...
Lesson Plan
Pennsylvania Department of Education

Equal Groups

For Teachers 5th - 7th
Students explore statistics by completing a graphing activity. In this data analysis lesson, students define a list of mathematical vocabulary terms before unpacking a box of raisins. Students utilize the raisins to plot data on a line...
Lesson Plan
Curated OER

Exploring Quadratic Equations

For Teachers 11th
Eleventh graders explore quadratic equations.  In this Algebra II lesson, 11th graders use Geometer’s Sketchpad to explore the properties of quadratics and the connections with polynomials and linear equations.  The lesson is...
Lesson Plan
Curated OER

Mira, Mira on the Wall: Reflections

For Teachers 9th - 10th
Students investigate and perform reflections and symmetry. In this geometry lesson, students compare and contrast the relationship between reflections and symmetries.
Lesson Plan
Curated OER

Areas of Trapezoids, Rhombuses and Kites

For Teachers 8th - 10th
Students calculate the area of different polygons. In this geometry lesson, students find the area for trapezoids, rhombuses and kites.
Lesson Plan
Curated OER

History in the Making: The Tortilla

For Teachers 4th
Fourth graders examine the history of the tortilla and extend the study across the curriculum. In this history of the tortilla lesson, 4th graders research the background of the tortilla, determine the ingredients, and work with the...
Lesson Plan
Curated OER

Interpreting Line Graphs

For Teachers 5th
Fifth graders interpret line graphs. In this graphing lesson, 5th graders first begin by reviewing the difference in bar and line graphs and what they are used for. Students practice interpreting the data on various line graphs and using...