Lesson Plan
Curated OER

Learning about Shapes with Tangrams and the Net

For Teachers 1st - 5th
Students use tangrams, student literature, and Websites to explore shapes.
Lesson Plan
Curated OER

Investigating Trigonometric Ratios Through Similar Right Triangles.

For Teachers 8th - 10th
49Students investigate the properties of right triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the Pythagorean Theorem to find the missing angles and sides.
Lesson Plan
Curated OER

Investigating Trigonometric Ratios Through Similar Right Triangles

For Teachers 9th - 10th
Students identify similar and congruent right triangles. In this geometry instructional activity, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Lesson Plan
Curated OER

Geo Jammin' - Day 1, Lesson 1: Gee Quiz!

For Teachers 2nd
Second graders are introduced to geometry by a teacher made puppet called Geo George.
Lesson Plan
Curated OER

Similar and Congruent Triangles

For Teachers 2nd - 4th
Students create and classify different types of triangles using an online geo-board. They explore the concepts of similar and congruent as they discover how to draw similar and congruent triangles.
Lesson Plan
Curated OER

Discovering Friction

For Teachers 6th - 8th
Students watch a demonstration that introduces them to the idea that friction is a force that impedes motion when two surfaces are in contact. They work in groups to experiment with frictional force using a coffee cup on which they alter...
Lesson Plan
Curated OER

Examining Geometric Solids

For Teachers 7th - 10th
Young scholars explore geometry by completing a math worksheet in class. For this shape identification lesson, students identify the characteristics associated with 15 solid geometric shapes. Young scholars identify patterns between...
Lesson Plan
Curated OER

Mandalas : polygons

For Teachers 4th
Fourth graders create mandalas. In this mandala lesson, 4th graders look at these polygons in nature and man-made forms. They create their own by using tangrams.
Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Young scholars investigate symmetry in the real world. In this geometry instructional activity, students inter-relate math and technology. They create and name a variety of polygons.
Lesson Plan
Curated OER

Finding Addition Patterns

For Teachers Pre-K - 2nd
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Lesson Plan
Beacon Learning Center

Perfect Polygons

For Teachers 4th - 5th Standards
Don't worry if you do not have the mentioned textbook; there is enough material here for you to carry out a pertinent polygon plan. After introducing your class to various polygons and the prefixes that help identify them, hand out...
Lesson Plan
Curated OER

Choosing a Summer Job

For Teachers 7th - 9th Standards
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
Lesson Plan
Curated OER

Patchwork Math

For Teachers 3rd - 5th
Students recognize and identify shapes in their environment. They investigate why objects can be composed of several different shapes. They follow a pattern to recreate designs using various shapes.
Lesson Plan
Curated OER

Three Reasons

For Teachers 3rd
Third graders identify healthy foods in each group of the food pyramid. In this nutrition instructional activity, 3rd graders take notes on the food pyramid by visiting the website, www.mypyramid.gov. Students design a healthy menu for...
Lesson Plan
Curated OER

Math: Gears and Wheels

For Teachers 12th
Twelfth graders solve problems involving linear and angular speed. Using information about a compact disc, they solve the problem using multiple rates and conversion factors. Students also solve additional problems involving bicycle...
Lesson Plan
Curated OER

Estimating With Fire

For Teachers 7th - 9th
Students solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Lesson Plan
Curated OER

Scalene Triangles

For Teachers 5th
Fifth graders identify and classify scalene, equilateral, and isosceles triangles. In this triangle instructional activity, 5th graders define the different attributes of 3 types of triangles and sort them by descriptions and...
Lesson Plan
Pennsylvania Department of Education

Determine Volume of Solids Using Water Displacement

For Teachers 6th - 8th
Students explore math functions by completing math equation worksheets. In this inequality lesson, students define a list of math terms and discuss the difference between an equation and inequality. Students utilize a real life situation...
Lesson Plan
Curated OER

Perimeter All Around

For Teachers 3rd - 5th
Young scholars explore perimeter and area of regular and irregular polygons. They experiment with color squares and create different arrangements using the same number squares. Then they compare the area and perimeter measurements of each.
Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Lesson Plan
Curated OER

Know Your Polygons!

For Teachers 3rd - 8th
Learners identify and categorize different polygons. In this polygons lesson plan, students research and identify properties of polygons,  identify different polygon shapes, and categorize different triangles and quadrilaterals.
Lesson Plan
Curated OER

Space Geometry

For Teachers 10th - 11th
Students explore points, lines and planes as it relates to geometry. In this geometry lesson, students analyze space and explain wy it is 3-D and not flat or 2-D. They solve problems involving volume and 3-D shapes.
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 1, Lesson 4: Transformation Station

For Teachers 2nd
Second graders manipulate triangles to discover the concepts of slides, flips and turns of a geometric shape.