Lesson Plan
Curated OER

ndirect Measurement Technique: Using Trigonometric Ratios

For Teachers 9th
Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...
Lesson Plan
Curated OER

When the Giant Came to Town....

For Teachers 3rd - 4th
Students discuss various techniques artists have to show distance. They view examples, and discuss overlapping. Students create art work based on things in a city. Students tell about their artwork in casual style conversation while...
Lesson Plan
Curated OER

THE MEAN INDEX CARD

For Teachers 6th - 8th
Students cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
Lesson Plan
Curated OER

Lots of Squares

For Teachers 2nd - 4th
Students work in pairs, to make a square on the geoboards with a rubber band (or draw one on the dot paper). It can be any size and in any location and share their answers with the class.
Lesson Plan
Curated OER

Location, Location

For Teachers 3rd
Third graders draw and interpret simple scale maps, use maps to move around efficiently or plans to propose actions. They use of a compass to specify and find directions. They display and discuss a map of the local region.
Lesson Plan
Curated OER

Standard Treehouse Lesson Plan

For Teachers 7th
Seventh graders investigate the concepts related to the geometry of treehouses that focuses on angles that are similar and congruent. They conduct class discussion in terms of looking at three dimensional shapes that are represented in...
Lesson Plan
Curated OER

Symmetry

For Teachers 3rd - 5th
Learners examine the concept of symmetry. They use photographs in front of a mirror to see symmetry. They write an explanation or drawing of how a mirror always produces a line of symmetry.
Worksheet
Curated OER

Geometry: 3D Objects

For Students 3rd - 4th
In this math learning exercise, students examine 4 pictures of 3D objects and write the name of each. Students then study 3 pictures and figure the number of faces, edges and vertices on each.
Lesson Plan
Curated OER

Geo-Vistas

For Teachers 3rd - 5th
Students create a geometric cardboard sculpture covered with personal drawings.
Lesson Plan
Curated OER

Irregular Fractals

For Teachers 6th - 8th
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Lesson Plan
Curated OER

Pauli's Magical Water

For Teachers 10th - 12th
Learners predict the shape of molecules using VSEPR theory. In this chemistry lesson, students differentiate a polar and nonpolar molecule. They discuss why water's polarity is very important.
Lesson Plan
Curated OER

Mystery Polygon

For Teachers 2nd
Second graders describe a polygon in the form of a riddle.
Lesson Plan
Curated OER

Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon instructional activity, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Worksheet
Curated OER

Problems!!!

For Students 5th - 8th
In this word problems worksheet, students read word problems about one person telling the truth and one telling a lie and they figure out which is which. Students complete 4 problems.
Lesson Plan
Curated OER

Tantalizing Tangrams: What Are Transformations?

For Teachers 4th - 6th
Students use the Internet to learn about transformations and tessellations.  In this geometry lesson, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. ...
Lesson Plan
University of Texas

Free-Body Diagram

For Teachers 11th - 12th Standards
Preparing for an AP test is about more than bubble sheets and memorization. The two activities in this resource require a direct application of skills learned throughout an AP Physics course.
Lesson Plan
Arizona State University

Tricorn Triangles

For Teachers K - 1st Standards
Help your learners examine triangles. Pupils explore the different sizes and measurements of triangles. They discover triangles can be isosceles or scalene, and examine the attributes of triangles. Here is the website where you can...
Lesson Plan
Shodor Education Foundation

An Introduction To Quadrilaterals

For Teachers 3rd - 7th Standards
Young geometers investigate and apply properties of quadrilaterals.  After a review and discussion of key terms, students use a computer applet to explore four-sided figures and classify them according to their attributes. The...
Lesson Plan
Curated OER

Painting Package

For Teachers 6th - 8th
Students use tools in a painting package to design tiles and create repeating patterns. They design a single tile using a 4 x 4 grid and experiment with changing the alignment of some of the tiles by rotating different areas.
Lesson Plan
Curated OER

Weave a Wreath

For Teachers 4th - 6th
Students follow directions to complete a multi-step process that results in an attractive holiday decoration. In this Christmas art activity lesson, students employ simple measuring and weaving techniques and experiment with the negative...
Lesson Plan
Curated OER

Forsyth County Architecture

For Teachers 9th - 12th Standards
What features mark a building as belonging to a particular culture, time, and place? Class members investigate the architectural movements represented in structures built in Forsyth County, North Carolina from 1880-1980 by examining...
Lesson Plan
Curated OER

Investigating the Idea of Tan

For Teachers 5th
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
Lesson Plan
Curated OER

nvestigation - Justin and Daniel's Puzzles

For Teachers 7th
Seventh graders explore area and perimeter, using tangram pieces. They discover the area and perimeter of rectangles and squares. After experimentation, 7th graders write a rule for finding the perimeter and area of squares and rectangles.
Lesson Plan
Pennsylvania Department of Education

The Multiplicative Identity and Numbers Close to One

For Teachers 4th - 6th
Pupils practice multiplying and dividing whole numbers by fractions. They study the multiplicative identity property that states that the product of any number and 1 is that number. They multiply whole numbers by fractions close to 1 and...