Lesson Plan
Curated OER

Why Doesn't SSA Work?

For Teachers 10th - 11th
Students investigate the relationship between angles and their sides. In this geometry activity, students prove why SSA does not work as a true angle side relationship theorem.
Lesson Plan
Curated OER

Sum of Exterior Angles of Polygons

For Teachers 9th - 12th Standards
Have fun calculating angles for different polygons. The class differentiate the relationship between the interior and exterior angles of polygons. They discuss linear pair as it related the polygons and their angles. This is done as they...
Lesson Plan
Curated OER

The Mathematical Dynamics of Celestial Navigation and Astronavigation

For Teachers 9th - 12th
Learners explore the different methods used in celestial Navigation and astronavigation. In this math lesson, students construct a sextant and demonstrate how it works.
Lesson Plan
Curated OER

Solar System Search

For Teachers 6th - 7th
Students research topics related to space and the planets using the Internet. They explore various websites, construct scale models of the solar system, and create a travel brochure using HyperStudio computer software.
Lesson Plan
Curated OER

Balobbyland City Planners

For Teachers 3rd - 5th
Students create a mini city using proportions that fit a model human they construct using tin foil. They plan the city including a library, sports arena, living spaces, parks and businesses. When constructing the paper buildings, they...
Lesson Plan
Curated OER

Attributes & Nets of a Cube

For Teachers 3rd
Third graders engage in a lesson that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
Lesson Plan
Curated OER

Creative Can Sculptures Help Feed the Hungry

For Teachers 2nd - 6th
Students look at pictures of Canstruction sculptures, then read a news article about the construction of these canned food sculptures. In this current events lesson, the teacher introduces the article with pictures of winning sculptures...
Lesson Plan
Curated OER

Measurement of Objects Using Similar Triangles in The Plane

For Teachers 9th - 11th
Students use similar triangles and a sight tool to find the height and distance between large objects. In this similar triangles lesson plan, students use a constructed sight tool to measure the distance and height of an object using an...
Lesson Plan
Curated OER

Introducing Powers and Models

For Teachers 4th - 6th
Students construct two dimensional models to illustrate squared numbers. In this geometry instructional activity, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between...
Lesson Plan
Curated OER

Shape Collage Pizza

For Teachers K
Students identify shapes. For this geometry lesson, students cut out various shapes and create a "Shape Collage Pizza." Students glue their shapes onto a pizza template.
Lesson Plan
Curated OER

Mr. Lincoln's Hat

For Teachers K - 5th
Bring out the inner artist with this Abraham Lincoln lesson. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
Lesson Plan
Curated OER

Draw a Diagram

For Teachers 9th - 11th
Students draw diagrams to help them solve word problems. In this geometry instructional activity, students follow step by step directions to set up a word problem and solve it. They write a paper on their prefer rules or strategies.
Lesson Plan
Curated OER

Flip's Flag

For Teachers 5th
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
Lesson Plan
Curated OER

Traditional American Indian Lodges

For Teachers 8th - 10th
Students explore the mathematical properties of traditional American Indian lodges. They examine the effect of increasing sides of a polygon, calculate the surface area of prisms and cylinders, and construct a classroom size pyramid...
Lesson Plan
Curated OER

Am I Seeing Double?

For Teachers All
Students explore symmetrical design and lines of symmetry.  In this fourth grade geometry lesson plan, students create their own symmetrical design and identify and label the lines of symmetry.  Students use one design to...
Lesson Plan
Curated OER

Exploration with Geometric Solids

For Teachers 3rd - 5th
Students reinforce geometric concepts by playing "Guess My Solid." Through a process of elimination, they determine the shapes of mystery solids. Finally, students use various materials to construct their own geometric figures.
Lesson Plan
Curated OER

Finding the Area of Regular Polygons

For Teachers 9th - 12th Standards
Students analyze relationship between the increase in polygons sides and a circle. In this geometry lesson, students relate the size of the central angle of a polygon, to a circle. They compare the formula for the area of a polygon and a...
Lesson Plan
Curated OER

Shapetown

For Teachers Pre-K - 2nd
Students identify basic geometric shapes. In this geometry lesson, students read the book Shapetown and identify the various shapes from the story. Students are given a sheet and draw part of a town using only shapes.
Worksheet
Curated OER

Proving Quadrilaterals

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
Lesson Plan
Curated OER

Blast Off with Model Rockets

For Teachers 8th - 9th
Students investigate science and math by building a rocket. In this geometry lesson plan, students build a rocket using paper towel tubes while investigating questions about launching a rocket. They discuss balance and unique structure...
Lesson Plan
Curated OER

Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
Lesson Plan
Curated OER

Triangle Conjectures

For Teachers 10th
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
Lesson Plan
Curated OER

Triangles in My Life

For Teachers 10th
Tenth graders investigate where in the real world triangles are used. In this geometry lesson, 10th graders write an essay describing where in their lives triangles are used. They can use food, buildings, clothing or anything triangular...
Lesson Plan
Curated OER

Inequalities and Triangles

For Teachers 9th - 10th
Students prove and apply theorems of triangle inequality and hinge theorem. In this geometry lesson, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the Pythagorean...

Other popular searches