+
Lesson Plan
National Security Agency

Classifying Triangles

For Teachers 4th - 8th Standards
Building on young mathematicians' prior knowledge of three-sided shapes, this instructional activity series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The...
+
Lesson Plan
Curated OER

Polygons, Parallelograms, Quadrilaterals- Oh My!!!

For Teachers 3rd - 5th
Students demonstrate their comprehension of shapes and their properties. They work in small groups. Students review the following terms: property, polygon, quadrilateral, and parallelogram. They read Shape Up! Fun With Triangles and...
+
Lesson Plan
Curated OER

Basic Shapes

For Teachers 11th - 12th
Students create books about shapes.  In this shape lesson, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra.  In groups, they create an illustrated children's book...
+
Lesson Plan
Curated OER

Using R&R to Teach Mathematics

For Teachers 2nd
Second graders create a shape garden. In this polygons lesson, 2nd graders practice making shapes using a geoboard and read the book The Greedy Triangle by Marilyn Burns.  Students also design a shape garden using construction paper.
+
Lesson Plan
Curated OER

Our World of shapes

For Teachers 1st
First graders listen to Shapes and The Greedy Triangle to identify and describe examples of geometric shapes.  In this geometric shapes lesson, look for geometric shapes in real world places.  Students make a mobile of shapes in the real...
+
Lesson Plan
Curated OER

Friendship Quilt

For Teachers 3rd
Third graders name different kinds of shapes and then discuss what they know about them an what they would like to learn using a K-W-L chart whole group. They listen to the book, THE GREEDY TRIANGLE and then retell it to the class. They...
+
Lesson Plan
Curated OER

What Shape Am I?

For Teachers 1st
First graders analyze characteristics of geometric shapes. They identify, describe, and create simple geometric figures. They analyze characteristics of geometric shapes and determine the defining attributes of a circle,...
+
Lesson Plan
Curated OER

That's So Square

For Teachers 1st - 3rd
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
+
Lesson Plan
Curated OER

Geometry and Shapes

For Teachers 4th
Fourth graders are asked to name different shapes.Four to five students to share their answers with the class. The teacher leads the discussion in geometry about the properties associated with shapes.
+
Lesson Plan
Curated OER

Math: Geometric Fun and Games

For Teachers 3rd
Third graders discover geometric shapes by completing a series of games and activities. Using ropes with knots tied every foot, they make shapes such as squares, triangles, and hexagons. In pairs, 3rd graders use pattern blocks to...
+
Activity
Curated OER

Jelly Beans for Sale

For Teachers 1st - 3rd
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...