Lesson Plan
Curated OER

Classifying and Constructing Corners

For Teachers 5th
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
Worksheet
Curated OER

8th Grade Math Worksheet

For Students 8th
In this linear equations worksheet, 8th graders solve 10 different problems that include various types of linear equations. First, they write the distance between Venus and the Sun in scientific notation. Then, students determine the...
Lesson Plan
Curated OER

Water to the Max

For Teachers 9th - 12th
Students experiment with the angle that yields the greatest distance of water at constant pressure.  In this experiment with the angle that yields the greatest distance of water at constant pressure activity, students shoot water...
Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd - 5th
Geometers find the perimeter and area of rectangles. They discuss the definitions and characteristics of rectangles and squares. In groups, they use yarn to discover the perimeter of squares and rectangles. They count cubes to explore...
Lesson Plan
Curated OER

Similar Situations

For Teachers 3rd - 6th
Students explore intersecting lines. In this intersecting lines lesson plan, students investigate shapes consisting of parallel, perpendicular, and similar lines. Students investigate these lines in shapes around them.
Lesson Plan
Curated OER

Measurement

For Teachers 5th
Fifth graders measure specified distances when given perpendicular lines. In this measurement lesson plan, 5th graders draw the lines themselves.
Assessment
Inside Mathematics

Rhombuses

For Teachers 9th - 12th Standards
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
Worksheet
1
1
Curated OER

Practice: Word Problems

For Students 5th - 7th Standards
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
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

Circles 1, 2, 3, 4

For Teachers Pre-K - 1st
Here is a way to help your charges identify circles and spheres. In this shapes geometry and technology lesson, students identify and draw circles and explain the related attributes. They recognize circles and spheres while exploring...
Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 4th - 6th
Learners study parallel and perpendicular lines. In this parallel and perpendicular lesson, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.
Lesson Plan
Curated OER

Orienting a Photovoltaic Cell

For Teachers 9th - 12th
By mounting a light bulb on a stand and a PV cell on another, physics apprentices experiment with the angle of incidence. Their goal is to determine the optimum angle for collecting solar energy. The use of a scientific calculator...
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
Hawaiʻi State Department of Education

Railroad Tracks

For Teachers 5th
Ahhh the vanishing point! Sounds ominous, but it's not. Fifth graders analyze the use of perspective in Renaissance art. They practice using linear perspective to draw railroad tracks that seem to go on forever. Tip: Make this...
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

Artistic Angles

For Teachers 5th
Fifth graders explore angles by using protractors. They recognize, describe and determine the surface area and volume of three-dimensional shapes. Students recognize the right angle, acute angle, obtuse angle and vertex. They identify...
Lesson Plan
Curated OER

Making Rectangles

For Teachers Pre-K - 3rd
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Lesson Plan
Curated OER

Geometry /Tessellations

For Teachers 6th - 8th
Students investigate the concept of tessellations and how they are formed using angles. They categorize how different patterns do and not tessellate and separate them into two different places for assessment. The teacher draws examples...
Activity
Canton Museum of Art

Personal Clay Box

For Teachers 9th - 10th
High schoolers will love this geometrically exact ceramics project; they create a personalized clay box using the slab method and mathematical measurements. They utilize scoring and square construction and can decorate the boxes to...
Lesson Plan
Curated OER

Mathematics Within: Shape, Space & Measurement

For Teachers 9th - 12th
High schoolers experiment and analyze triangulation to assess degrees of combined angles, predict polygons that tessellate as well as extending of shapes to create tessellations. They explore the concept of why some polygons tessellate...
Interactive
Curated OER

My Test Book: Geometry

For Students 3rd - 4th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
Lesson Plan
Curated OER

Bingo

For Teachers 6th - 8th
Learners practice determining the most appropriate units for a given situation while measuring attributes of objects, systems and processes of measurement. They review the concepts of angles, perimeter, area, surface area and volume.
Lesson Plan
Curated OER

Sports and Geometry

For Teachers 6th - 12th
Learners investigate shapes in sports. In this geometry lesson, students identify geometric shapes in sports equipment, fields, etc. Learners present their findings.
Lesson Plan
Captain Planet Foundation

Frog Garden Party! Toads and Triangles in the Math Garden

For Teachers 4th Standards
It's frog party time! With frog banners, frog juice, and a triangle hunt, your garden party is sure to be both entertaining and educational. The lesson connects geometry, earth science, and delicious snacks to teach kids about ecosystems...