Lesson Plan
Curated OER

Making Rectangles

For Teachers Pre-K - 3rd
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Lesson Plan
Pennsylvania Department of Education

Creating Polygons

For Teachers Pre-K - 2nd
Students describe, make and compare polygons. In this creating polygons instructional activity, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
Lesson Plan
Pennsylvania Department of Education

Tangram Challenges

For Teachers Pre-K - 2nd
Young scholars explore geometric concepts by working with Tangram Puzzles. In this Tangram challenge lesson, students use problem-solving tasks that involve physical manipulatives. Young scholars select a picture and use all...
Worksheet
Curated OER

How Many Hexagons Are on This Page?

For Students 1st - 3rd
In this hexagon worksheet, students count the number of hexagons that make up a picture of a young girl, writing it on a line beside the picture, then coloring. 
Worksheet
Curated OER

Hexagon Worksheet

For Students 2nd - 3rd
In this hexagon worksheet, students count hexagons and polygons and color all polygons in the set. Students are reminded that a hexagon is a 6-sided polygon.
Lesson Plan
Curated OER

Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Lesson Plan
Curated OER

Meet the Polygon Family

For Teachers 4th
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
Lesson Plan
Curated OER

How Many Regular Polyhedrons Are There In This or Any Universe?

For Teachers 7th - 12th
Students examine the idea of "regularity" as it pertains to geometry.  In this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
Lesson Plan
Curated OER

Tessellations: An Application of Simple Regular Polygons

For Teachers 10th
Tenth graders identify homogeneous tessellations. In this model-based lesson, 10th graders make and identify homogeneous tessellations, both regular and semi-regular.
Lesson Plan
Curated OER

Geometry in the Heavens

For Teachers 9th
Ninth graders access a star worksheet and determine properties of polygons.  In this investigative lesson students complete a worksheet and discuss myths. 
Lesson Plan
Curated OER

Perimeter and Area

For Teachers 6th
Sixth graders explore the relationship between area and perimeter of rectangles. In this area and perimeter lesson, 6th graders measure and determine perimeter and area of various rectangles. Students create rectangles with given areas...
Worksheet
Curated OER

How are Area and Perimeter of Rectangles Related?

For Students 6th
In this how are area and perimeter of rectangles related worksheet, 6th graders solve the area or perimeter of a second rectangle by using the information given.
Worksheet
Curated OER

Identifying Shapes

For Students 3rd - 4th
In this shape identification learning exercise, students identify shapes as circles, triangles, squares or rectangles. A reference web site is given for additional activities.
Worksheet
Curated OER

Geometric Shapes: Review of 2D and 3D Figures

For Students 5th - 6th
In this geometric shapes instructional activity, students identify 4 drawings as polygons or not, 1 drawing as regular or not and then write the name of 3 solid figures.
Worksheet
Curated OER

Regular or Irregular? Polygons

For Students 4th - 6th
In this polygon worksheet, students determine whether a set of given polygons are irregular or regular. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Cut, Construct and Think - 4

For Teachers 5th - 8th
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
Lesson Plan
Curated OER

Rectangles and Squares

For Teachers K - 1st
Pupils identify two dimensional shapes in the school environment. In this basic shapes lesson, students watch a video about rectangles and squares. Pupils find examples shapes in their classroom and draw them. Students present their...
Lesson Plan
Curated OER

Cut, Construct and Think 3

For Teachers 5th - 8th
Students identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
Lesson Plan
Curated OER

Cut, Construct and Think - 6

For Teachers 5th - 8th
Students identify polygons and calculate perimeter. In this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Lesson Plan
Curated OER

Measurement, Perimeter and Area

For Teachers 7th - 9th
Learners explore the concept of measurement.  In this measurement lesson, students collect data about themselves such as height, finger length, neck circumference, foot length, and other body measurements.  Learners cut squares...
Lesson Plan
Alabama Learning Exchange

Trapezoids: What's Equal or Right About Them?

For Teachers 8th - 10th Standards
Pupils explore the concept of trapezoids.  In this trapezoids instructional activity, students identify legs and bases of a trapezoid.  Pupils discuss the similarities and differences between isosceles trapezoids and right...
Lesson Plan
Curated OER

Polygons All Around Us!

For Teachers 9th - 12th
Students explore the concept of polygon properties. For this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in...
Lesson Plan
Curated OER

Paper Pool

For Teachers 5th - 8th
Students analyze the measurements of rectangles. In this analysis lesson, students will investigate patterns by looking at ratios. Students will also hypothesize the probability of a ball going into a certain pocket when playing pool....
Lesson Plan
Curated OER

Make-and-Take: Staff Development

For Teachers 5th - 7th
Students complete activities to learn a phenomenological approach to polygons. In this polygons instructional activity, students use the materials in the directions to make demonstration models. Students use a wooden wagon model and...