Curated OER
Charting a New Course
Students calculate the distance they will travel. In this geometry lesson, students use the TI and CBL system to make calculation of a certain path. They explore geography by calculating distances between different areas as it relates to...
Curated OER
The Delta Flier
Students make calculations in order to construct a kite in the shape of an isosceles right triangle. In this kite lesson plan students calculate altitude of their flying kites using a formula.
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Pythagorean Theorem
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Slope Right Up
Students use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
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Similarity and Congruence
Learners explore the concept of similarity and congruence. In this similarity and congruence lesson plan, students cut out strips of paper and form a triangle. Learners try to prove that their triangles are congruent using the SSS...
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Exploring Trigonometric Ratios
Young scholars calculate the different ratios using a right triangle. In this trigonometry lesson, students identify the sine, cosine and tangent of each side. They find the missing angles using the different ratios.
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Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. For this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
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Fractions
Second graders, while in the computer lab discuss Fraction Action by Loreen Leedy, practice solving problems involving fractions. They explore non-unit fractions by describing parts of a set utilizing their attributes to categorize the...
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Our Geometric World
Third graders explore the attributes of polygons. In this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
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Investigating Scale Factors with the Geometer's Sketchpad
Students use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They work with...
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Tracing Shapes and Coloring Them
In this color and shapes worksheet, students trace and color large, medium and small examples of circles, triangles, squares and rectangles.
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Fish Tanks: Volume and Surface Area
Given a very realistic challenge, your young geometers design residential fish tanks in rectangular and triangular prism shapes. They compute the volume of water each will hold. They also determine the size of plastic covers for each...
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Classroom Triangles
Students use bearing measurements to triangulate and determine objects' locations. Working in teams of two or three, students must put on their investigative hats as they take bearing measurements to specified landmarks in their...
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Mondrian, Math, and Amazing Colors
Students study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
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Fun with Shapes
Young mathematicians identify shapes and their correct names. They work with partners using various manipulatives and computer software to reinforce the concept. I really like these lesson plans. They are well-designed, the procedures...
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Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
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I Can Build It.....Yes I Can!
Kindergartners listen to a story read by their teacher, then use magnetic shape pieces to construct simple designes. They "build" their own house using pre-cut paper shapes. This age-appropriate lesson would be an excellent choice for...
NTTI
Vectors: Traveling, But in What Direction
High schoolers watch a video of real-world situations regarding speed, direction, velocity, force, etc. and answer questions while viewing. They then practice drawing and using vectors to solve more real-world problems.
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Calico Watercolor Cats
A fun art project, this lesson incorporates math and listening skills as young artists play with a new painting technique. First the teacher models how to draw a cat using shapes, an oval for the body, triangles for the ears and so on,...
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Grade 5 Geometry
In this grade five geometry worksheet, 5th graders utilizing mathematical strategies to calculate the perimeter of a triangle. Students recognize that the perimeter of a triangle is side a plus side b plus c.
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Counting Geometric Shapes 1-9
In this math worksheet, students count the number of geometric shapes in each of 4 squares. They circle the correct number of items in each group and color the circles, squares, triangles, and diamonds.
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Junior Architects of America
Students create entries for the Architects of America contest, including a model of a futuristic structure, blueprints, a list of all plane and solid shapes in the structure, a persuasive argument paper that describes why the structure...
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Shapes and Designs
For this shapes and designs worksheet, 10th graders solve and complete 6 different types of problems. First, they fill in the first two columns of the table show with their shapes. Then, students measure the interior angles of each...