Lesson Plan
Curated OER

Geometry Practice: G.G.28 #1: Congruent Triangles

For Teachers 9th - 12th
In this congruent triangles worksheet, students solve four multiple choice problems. Students determine which statement is the appropriate reasoning to say that two triangles are congruent.
Instructional Video3:44
CK-12 Foundation

Finding the Distance Between Two Points: Lesson

For Students 7th - 10th Standards
Point out an application of Pythagoras. The segment of an essential playlist on geometry provides a quick review of the Pythagorean Theorem. Using a right triangle to show the positions of two points, the presenter calculates the...
Instructional Video2:16
CK-12 Foundation

Perpendicular Lines in the Coordinate Planes: Lesson

For Students 7th - 10th Standards
Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...
Instructional Video2:28
CK-12 Foundation

Midsegment Theorem: Lesson

For Students 8th - 11th Standards
Use half the length to connect the midpoints. A section of a playlist on geometry introduces the concept of a midsegment of a triangle and how to find it. The video states the properties of the midsegment which make up the Midsegment...
Instructional Video4:13
CK-12 Foundation

Dilation in the Coordinate Plane: Lesson

For Students 8th - 11th Standards
Multiply coordinates to either shrink or enlarge a figure. An informative segment of a geometry playlist introduces dilation on the coordinate plane. The dilations in the resource use the origin as the center of dilation, which makes...
Instructional Video4:14
CK-12 Foundation

Transformation - Translation: Lesson

For Students 7th - 11th Standards
Develop a prime example of sliding about the coordinate plane. Using figures on the coordinate plane, a segment of an extensive geometry playlist introduces the transformation of translations. The presentation uses coordinate notation to...
Instructional Video5:40
CK-12 Foundation

Transformation - Rotation: Lesson

For Students 7th - 11th Standards
Change places by pivoting the figure. The section of a geometry playlist introduces rotations by making the connection to rotational symmetry. The presentation provides formulas to use with the coordinates when rotating a figure around...
Lesson Plan
EngageNY

The Motion of the Moon, Sun, and Stars—Motivating Mathematics

For Students 10th - 12th Standards
What does math have to do with the behavior of the earth and sun? Learn how the movement of celestial bodies has influenced the development of trigonometry. Scholars connects the details in mathematics to their...
Instructional Video11:06
Domain of Science

The Map of Mathematics

For Students 9th - Higher Ed
How does all this math fit together? The resource creates a graphical view of the extent of mathematics. The map shows the pure and applied sides of studying mathematics and breaks them down into their many disciplines.
Lesson Plan
Curated OER

The Greedy Triangle-Intro to Geometric Shapes

For Teachers 4th - 6th Standards
 In this geometry lesson, 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

Operation Spaghetti

For Teachers 3rd - 5th
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.
Lesson Plan
Curated OER

Geometry Straws

For Teachers 3rd - 8th
Students create different angles and shapes by using different lengths of straws. In this geometry straws lesson plan, students glue straws onto paper and define what they have made.
Lesson Plan
Curated OER

Geometry and Quilting

For Teachers 4th - 5th
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...
Lesson Plan
Curated OER

Geometry History Lesson

For Teachers 10th
Tenth graders investigate the early history of geometry. For this geometry lesson, 10th graders investigate translations, rotations, and reflections. They also solve problems with line of symmetry and rotational symmetry while reviewing...
Lesson Plan
Curated OER

Geometry: Regents Exam

For Teachers 10th
In this geometry worksheet, 10th graders review geometric concept including angles, polygons, quadrilaterals, trig and circles. They take a comprehensive exam covering topics on the Regents exam. There are 32 pages in this booklet.
Lesson Plan
Curated OER

Geometry and Rubik's Cube

For Teachers 9th - 12th
Students explore geometry using a Rubik's Cube. In this 2-D and 3-D shapes lesson, students use the Rubik's Cube to find the center, edge and corner pieces. Students then find the dimensions of the Rubik's Cube and read the solution...
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem instructional activity, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel...
Lesson Plan
Curated OER

Getting It Right! An Investigation of the Pythagorean Theorem

For Teachers 6th - 8th
Learners construct a variety of right triangles using a right-angled set square, cutting corners from pieces of paper or cardboard, and using dynamic geometry software. They measure the sides of these various right triangles and record...
Instructional Video8:30
Khan Academy

SAT Prep: Test 5 Section 7 Part 5

For Students 9th - 12th
Geometry problems on the SAT are often the most difficult for students to solve, let alone master. Focusing on several geometry-related skills (as well a few algebra problems), Sal makes this lesson a valuable resource for viewers who...
Lesson Plan
Curated OER

Exploring Polygons and The Greedy Triangle

For Teachers 1st - 3rd
Excellent instructional activity! Anne Linehane's geometry story, The Greedy Triangle, offers an opportunity to practice forming various types of polygons with your learners. Using elastic bands (or Chinese jump...
Instructional Video9:39
Khan Academy

Distance Formula, Analytic Geometry, Geometry

For Students 7th - 11th Standards
Explaining the distance formula as "an application of the Pythagorean Theorem" might relieve some of your young mathematicians who are scratching their heads at all the new concepts. Sal demonstrates how to take the distance between any...
Instructional Video7:12
Khan Academy

SAT Prep: Test 8 Section 8 Part 3

For Students 9th - 12th
The final video of the SAT practice series takes students through increasingly complicated algebra and geometry problems, but Sal works steadily through each mathematical process. At the end of the video he tells students that they are...
Instructional Video10:01
Khan Academy

SAT Prep: Test 2 Section 3 Part 2

For Students 9th - 12th
Questions 5-8 on the practice SAT, which range from algebraic equations to geometry problems, are easy to understand after Sal works his math magic. Students who have a hard time transitioning between skills would benefit from a viewing...
Instructional Video9:19
Curated OER

SAT Prep: Test 4 Section 4 Part 3

For Students 9th - 12th
Math students who have a hard time with the speed of their problem solving will benefit from this video. Sal tackles increasingly complicated geometry and algebra problems in a way that shows them how to find the correct answer - quickly.

Other popular searches