Lesson Plan
Curated OER

Cutting Up in Class, Fractal Style

For Teachers 4th - 7th
Students create three-dimension models demonstrating exponents, multiplying and dividing of fractions, and the use of repeating patterns in tessellations, mirror images, and tiling.
Lesson Plan
Curated OER

Investigating Lengths of Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
Lesson Plan
Curated OER

Coloring Interval Graphs

For Teachers 7th - 9th
Students investigate planning an activity and getting it done on time. In this algebra lesson, students define vocabulary words related quadratic equations, including the vertex and intervals. They figure a good way to color graphs...
Lesson Plan
Curated OER

Inscribing a Circle in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
Assessment
Inside Mathematics

Aaron's Designs

For Teachers 8th Standards
Working with transformations allows the class to take a turn for the better. The short assessment has class members perform transformations on the coordinate plane. The translations, reflections, and rotations create pattern designs on...
Lesson Plan
Curated OER

Fancy Names

For Teachers 1st - 2nd
Students examine various closed and open figures. They decide which letters have closed figures. Then they receive a pre-made name card and decorate every closed figure in their name.
Lesson Plan
Curated OER

More Prisms/Nets

For Teachers 9th - 11th
Students calculate the volume and surface are of three-dimensional shapes. In this geometry lesson plan, students use the nets to prove their calculations of shapes. They identify the different parts of a solid using the nets.
Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 6th - 8th
Middle schoolers are introduced to the notion of surface area and volume. Students review surface area and volume by finding the area of a two-dimensional shape. They practice using the computer to create different surface area shapes.
Lesson Plan
Curated OER

Triangles and Quadrilaterals

For Teachers 2nd
Second graders explore triangles and quadrilaterals. They rotate to various centers in the room to identify and examine triangles and quadrilaterals. After presenting a picture to the class, 2nd graders locate right angles, triangles...
Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
Lesson Plan
Curated OER

Are We Sure They Are Parallel?

For Teachers 4th
Fourth graders explore the definition and properties of parallel lines. This high level lesson has students calculate the slope of the two parallel lines, and draw the lines on a Caretsian coordinate system.
Lesson Plan
Curated OER

Surface Area and Volume of Similar Solids

For Teachers 8th - 10th
Students explore similar figures. For this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
Lesson Plan
Curated OER

What's Your Design?

For Teachers 6th - 8th
Sixth grade students: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
Lesson Plan
Curated OER

Shapes Around Us

For Teachers 1st - 2nd
Students create posters about geometric shapes in order to demonstrate their understanding of the different shapes. Students look for pictures in magazines to represent two-dimensional shapes, paste them on a poster, label the shape,...
Lesson Plan
Curated OER

Identifying Faces, Edges, and Vertices

For Teachers 4th
Fourth graders examine faces, edges, and vertices. In this geometry lesson plan, 4th graders participate in classroom activities that require them to compare geometric shapes, figures, and models.
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

Take A Heart Hike

For Teachers 9th - 12th
Students investigate the functions of different body systems. They conduct research about the major body systems to attain information. The teacher prepares the room for the lesson. Students walk and talk through each major system as...
Lesson Plan
Curated OER

Play Dough Day

For Teachers 12th
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
Lesson Plan
Curated OER

Triangles & Congruence, Proportions & Similarity, Right Triangle & Trigonometry

For Teachers 9th - 12th
High schoolers are introduced to the topic of congruence and proportions in Geometry. Using technology, they construct and validate the properties of various geometric figures and identify whether it is congruent or proportion to the...
Worksheet
Curated OER

Tessellations & Transformations

For Students 10th
In this tessellations and transformations worksheet, 10th graders solve 9 different problems that include various types of tessellations. First, they write examples from history of tessellations and name 3 artists. Then, students define...
Worksheet
Curated OER

Transformations and Translations

For Students 7th - 8th Standards
In this transformations/translation worksheet, students draw transformations based on shapes and vectors of given translations. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Ethan Frome

For Teachers 9th - 12th
Students can earn up to 50 points in Section I "C" Level. They can earn up to 10 points in Section "B" where students can complete only one activity. Students can earn a maximum of 20 points in Section "A" activities.
Lesson Plan
Curated OER

Drawing On Gray Toned Paper

For Teachers 9th - 12th
Students create an artwork that uses organizational principles and functions to solve a visual arts problem. The piece creates the illusion of transparency used to unify a work of art that demonstrates that light advances and darks recede.
Lesson Plan
Curated OER

Triangles Introduction

For Teachers K - 3rd
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....