Lesson Plan
Curated OER

Measurements

For Teachers 7th
Seventh graders solve word problems involving real world situation. In this geometry lesson, 7th graders solve problems related to volume. They apply the formulas taught in geometry.
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area, Circumference, Perimeter

For Teachers 7th - 9th
Students solve area problems.  In this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure.  They identify the best customary unit of measure for a...
Lesson Plan
Curated OER

Skateboard Flex

For Teachers 6th - 8th
Learners examine statistics by completing a skateboard measuring activity. In this flex lesson plan, students define what skateboard "flex" refers to and identify the proper method of measuring flex by conducting an experiment with...
Lesson Plan
Curated OER

Finding Areas of Triangles, Rectangles, and Circles

For Teachers 9th - 10th
Students find the areas of geometric shapes. In this geometry lesson students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by using formulas.
Lesson Plan
Curated OER

NON-EUCLIDEAN GEOMETRY.

For Teachers 8th - 9th
Young scholars study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and...
Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Lesson Plan
Curated OER

The Greedy Triangle-Intro to Geometric Shapes

For Teachers 4th - 6th Standards
 In this geometry lesson plan, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Lesson Plan
Curated OER

Checker Board Patterns

For Teachers 5th - 8th
Make these funky checker board patterns. They will not only add fun decoration to your classroom, but your pupils will be able to practice using simple geometry tools.They will use tools to make lines and circular shapes using a ruler,...
Lesson Plan
Willow Tree

Common Geometric Figures

For Students 8th - 11th Standards
Geometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons. 
Lesson Plan
Curated OER

Let's Plot Points

For Teachers 5th - 7th
Use coordinate grid paper to plot points and identify shapes that are already plotted on the paper by saying their coordinates. Pupils also measure the distance between points and play the game Battleship. There are several web links and...
Lesson Plan
Everyday Mathematics

Mathematics Within: Slope and Triangles

For Teachers 8th - 10th Standards
Learners discover a method for determining the slope of a line by creating and comparing similar triangles. They fold coordinate grids to make three similar triangles then measure the sides to compare the relationships between the...
Lesson Plan
Curated OER

Tennis Balls in a Can

For Teachers 9th - 10th Standards
Make your classroom interesting by teaching or assessing through tasks. Deepen the understanding of Geometry and motivate young mathematicians. The task uses investigation with tennis balls and their container to prompt learners to...
Lesson Plan
Curated OER

Triangle Wars

For Teachers 5th - 8th
Young scholars explore geometry by participating in a class card game. In this triangle instructional activity, students utilize playing cards with shapes on them which they group up and discard, similar to "Old Maid." Young scholars...
Lesson Plan
Curated OER

Congruence with Robot Gobot

For Teachers 8th - 10th
Students identify the properties of solids and polygons. In this geometry lesson plan, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
Lesson Plan
Curated OER

Geometric Shapes at the OK Corral

For Teachers K
Students explore geometry by utilizing computer software. In this shape identification lesson, students define several geometric shapes by the characteristics that classify them. Students draw and cut out geometric shapes using their...
Lesson Plan
Curated OER

Investigation: Area of Geometric Shapes

For Teachers 4th
Fourth graders explore geometry by utilizing pattern blocks. In this pattern lesson plan, 4th graders analyze two separate pattern block shapes and discuss which one is bigger and smaller. Students collaborate in small groups to create...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Plan
Project Maths

Planes and Points

For Teachers 6th - 8th Standards
Build a solid foundation on which to develop future concepts. Through a guided exploration, learners compare and contrast the characteristics of points, lines, planes, rays, and segments. They measure lengths and practice notation for...
Lesson Plan
Curated OER

Sample Lesson Plan on Lines and Angles

For Teachers 3rd - 5th
Student complete worksheet using the definitions of lines and angle vocabulary. They define the word and follow a direction given on the worksheet such "construct a line." They complete an online tutorial on how to measure angles using a...
Lesson Plan
Curated OER

Volume of a Rectangular Prism

For Teachers 4th - 7th Standards
Children use the length, width, and height of an object to calculate the volume of a rectangular prism. They observe how to multiply three numbers at a time, and define volume. Pupils observe as the teacher demonstrates how to determine...
Lesson Plan
Curated OER

Hypatia: Angles

For Teachers 6th - 7th
Introduce your young geometers to Hypatia, the first noted Greek female mathematician, and the properties of angles. Though this resource is missing worksheets that are needed to complete the lesson, the structure is sound and learning...
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 plan, students identify and draw circles and explain the related attributes. They recognize circles and spheres while...
Lesson Plan
Curated OER

Cylinder Volume Lesson Plan

For Teachers 10th
Tenth graders define the formula for cylinders and use it to solve real world problems. For this geometry lesson, pupils differentiate between area, perimeters, 2D shapes, 3D shapes, and volume of prisms, cylinders and spheres. They...