Lesson Plan
Curated OER

Mensuration: Area

For Teachers 7th - 9th
In this area worksheet, students read story problems, draw diagrams, and find the area of described polygons. This eight page worksheet contains six problems. Answers are provided.
Worksheet
Curated OER

Independent Practice 2: Recognizing Similar and Congruent

For Students 7th - 8th
Learners examine given figures and determine if they are similar and congruent or similar and not congruent. Afterward, they match congruent figures drawn in a table. This one-page worksheet contains 12 problems.
Worksheet
Curated OER

Countdown Challenge: Live Symmetry in Regular & Irregular Polygons

For Students 7th - 8th
In this symmetry worksheet, students identify lines of symmetry in given polygons. They discover the correlation between the number of sides and the number of lines of symmetry. Students determine the lines of symmetry in irregular...
Worksheet
Curated OER

Isosceles Right Triangle

For Students 10th
In this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...
Worksheet
Curated OER

Countdown Challenge Symmetry

For Students 6th - 8th
In this symmetry worksheet, middle schoolers identify the lines of symmetry in given polygons. They match the number of lines of symmetry to the correct figure. This one-page worksheet contains seven problems.
Worksheet
Curated OER

Symmetry Fun

For Students 7th
In this symmetry worksheet, 7th graders identify and complete 12 different lines of symmetry in polygons. First, they color all of the polygons that have a line of symmetry. Then, students circle all of the regular polygons and use the...
Worksheet
Curated OER

Measurement: Perimeter

For Students 10th
In this perimeter worksheet, 10th graders identify and complete 9 different problems that include determining the perimeter of various figures. First, they complete the table by writing the number of sides in each figure listed on the...
Worksheet
Curated OER

Perimeter of Polygons in Word Problems

For Students 2nd - 4th
Peruse these perimeter word problems with beginning geometers, possibly projecting it as an all-class warm up. There are three scenarios here, each with a visual. Scholars determine the perimeter of a swimming pool, find the missing...
Worksheet
Curated OER

Properties of 2D Shapes

For Students 3rd - 4th
In this math worksheet, students study 5 basic geometric shapes. Students write a description for each, naming the shape, telling about the edges, the lengths and the corners.
Lesson Plan
Curated OER

Super Shapes Part 2 - Circles

For Teachers 5th - 6th
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...
Lesson Plan
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Captain Planet Foundation

Shape Shifters in the Math Garden

For Teachers 3rd Standards
Combines mathematical measurement with gardening skills. Third graders hunt for worms in the garden and try to find the longest one. They also measure and weigh vegetables that they harvest from the garden, measure rainfall amounts,...
Lesson Plan
Curated OER

Cell Size and Shape; Diffusion and Osmosis Processes

For Teachers 9th - 12th
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...
Lesson Plan
Curated OER

Polygon Monster

For Teachers 1st - 2nd
Students brainstorm different kinds of shapes. They then draw them on the paper and write the name of the shape on the back and then assemble the shapes to make a "monster". Students make up a survey about the monster including its name...
Lesson Plan
Curated OER

Strut Your Stuff

For Teachers 4th - 5th
Young scholars begin the lesson by identifying what a polygon is and hypothesizing how many struts (diagonals) it would take to make a polygon rigid. They watch a "Magic School Bus" episode then experiment with various shapes to make a...
Worksheet
Curated OER

Polygons On-Line Quiz

For Students 6th - 7th
In this math instructional activity, students tell if each of ten given shapes are polygons. Students select from two choices (polygon/not polygon). The on line link scores the quiz as students enter their answers.
Worksheet
Curated OER

Polygons

For Students 6th - 8th
In this math learning exercise, students classify the six polygons. Then they answer the questions related to the geometric properties of the shapes.
Worksheet
Curated OER

Describe Five Polygons

For Students 6th - 9th
In this polygons worksheet, students use the parallel, acute, right, obtuse, straight, and reflex to describe the five shapes provided.
Worksheet
Curated OER

Geometry: Shapes

For Students 2nd - 4th
In this geometry/shapes worksheet, learners select the shape in a row that is similar to a shape that begins the row, 4 rows total.
Lesson Plan
Curated OER

Who Am I? (Middle School)

For Teachers 3rd
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...
Lesson Plan
Curated OER

Cut, Construct and Think - 4

For Teachers 5th - 8th
Young scholars identify polygons. For this geometric shapes lesson, students identify and describe polygons. Young scholars create new shapes out of the shapes they are given.
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

Congruency Basics

For Teachers 4th
Fourth graders investigate congruent shapes. In this congruency lesson, 4th graders explore examples of congruent shapes. Students determine how to check for congruency by sliding or flipping the shape.
Lesson Plan
Curated OER

Rectangles and Squares

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

Creating Polygons

For Teachers Pre-K - 2nd
Students describe, make and compare polygons. For this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.

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