Lesson Plan
Curated OER

Plain Figures and Measuring Figures

For Teachers 10th - 12th
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.      
Lesson Plan
Curated OER

Charting a New Course

For Teachers 9th - 11th
Students calculate the distance they will travel. In this geometry lesson, students use the TI and CBL system to make calculation of a certain path. They explore geography by calculating distances between different areas as it relates to...
Lesson Plan
Curated OER

Geometry and Symmetry

For Teachers 4th - 6th
Pupils examine tessellations and their geometric properties. The instructional activity and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
Lesson Plan
Curated OER

Introduction to Fractals: Geometric Fractals

For Teachers 9th - 12th
Students explore the concept of fractals. In this fractals lesson, students discuss Sierpinski's Triangle using an applet. Students discuss the patterns involved with fractals. Students discuss the area of Sierpinski's triangle as the...
Lesson Plan
Curated OER

An Application of Congruence

For Teachers 9th - 10th
Learners solve triangles using the properties if congruency. In this geometry lesson plan, students apply congruent and similar figures to solve real world and math problems. They show they are able to follow instructions.
Lesson Plan
Curated OER

Slope Right Up

For Teachers 6th - 8th
Students use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
Worksheet
Curated OER

Right Trianlges: Missing lenght

For Students 10th Standards
For this geometry worksheet, 10th graders use the Pythagorean Theorem to find the indicated missing side of a right triangle.  The one page worksheet contains one problem.   Answers are not provided. 
Lesson Plan
Curated OER

Reflections

For Teachers 9th - 10th
Young scholars investigate image and pre-image. In this geometry lesson, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a...
Lesson Plan
Curated OER

Find the Shape

For Teachers 4th - 5th
Learners identify points on the coordinate plane using ordered pairs and also plot the ordered pairs on the coordinate plane. They also use properties of shapes to identify polygons such as triangles and quadrilaterals (square,...
Lesson Plan
Curated OER

Snowflake Curve

For Teachers 6th - 8th
Students develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the concepts...
Lesson Plan
Curated OER

An Introductions to Congruent Polygons

For Teachers 8th - 10th
Students differentiate between similar and congruent polygons. For this geometry lesson, students define the theorems and reasons for polygons similarity and congruence. They are given pictures and patterns to differentiate and identify.
Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 2nd - 6th
Students explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Students calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
Lesson Plan
Curated OER

Cutting Corners

For Teachers 2nd
Second graders examine two-dimensional shapes using their characteristics. In this shapes lesson, 2nd graders identify similarities and differences by using cut out shapes, diagrams, mirrors, and graphic organizers.
Lesson Plan
EngageNY

Cyclic Quadrilaterals

For Teachers 9th - 12th Standards
What does it mean for a quadrilateral to be cyclic? Mathematicians first learn what it means for a quadrilateral to be cyclic. They then investigate angle measures and area in such a quadrilateral.
Lesson Plan
Curated OER

Measuring Angles

For Teachers 3rd
Third graders describe an amount of turn from a particular position to another using the 'circular' benchmarks of 0, ++, ++, ++, and full turn. Estimation language such as 'just about', 'between', 'not quite', 'just over', and similar...
PPT
Curated OER

Twenty Questions: Fourth Grade Math Terms

For Teachers 4th
Questions related to math vocabulary from a large variety of categories for 4th graders are displayed throughout this Jeopardy game. Concepts covered include angles, shapes, computation terms, statistics, and place value.
Lesson Plan
Curated OER

Tantalizing Tangrams

For Teachers 4th
Fourth graders participate in what is considered to be a model lesson. The lesson focuses upon polygons and basic geometry. The lesson addresses national standards and displays how others should be done.
Lesson Plan
Curated OER

Dilations of 2 and 3 dimentional figures and their effect on area, surface area, and volume.

For Teachers 7th
Seventh graders investigate the area and volume of 2D and 3D figures. In this geometry instructional activity, 7th graders create a storyboard explaining their knowledge of 2D and 3D shapes. They analyze their data and interpret...
Lesson Plan
EngageNY

Scale Factors

For Students 9th - 10th Standards
Is it bigger, or is it smaller—or maybe it's the same size? Individuals learn to describe enlargements and reductions and quantify the result. Lesson five in the series connects the creation of a dilated image to the result. Pupils...
Lesson Plan
Curated OER

Properties of Fractals

For Teachers 6th - 8th
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Lesson Plan
Curated OER

Ratios for Area and Volume

For Teachers 5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
Worksheet
Curated OER

Regents Exam Questions G.G.26: Inverse 2

For Students 9th - 12th
In this inverse worksheet, students solve 6 short answer problems. Students find the inverse of a given conditional statement.
Lesson Plan
Curated OER

Tangrams

For Teachers 4th - 12th
Students construct tangram pieces. Then they make observations and explore patterns with the pieces.
Worksheet
Curated OER

Six Multiple Choice Logic Question for Given Conditional Statements

For Students 9th - Higher Ed
In this logic instructional activity, students answer six multiple choice questions by finding the inverse, converse, and contrapositive of a given conditional statement.