Curated OER
Gotham Equinox
By looking at the direction of the parallel streets of New York and figuring which days the setting sun is directly visible along those lines, your class can calculate the degree and angle of the sun. A really nice lesson, giving a...
Curated OER
Exploring Geometric Figures
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
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Exploring Geometric Patterns and Relationships
Sixth graders explore different geographic relationships in like drawing lines, rays, and parallelograms. This lesson plan could be used for review because it covers more than one concept. The students should have prior knowledge.
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Our Geometic World
Students walk around the neighborhood and identify various polygons and lines in buildings, nature and other objects. They design a building using various geometric patterns, shapes and lines. Students complete a descriptive writing of...
Illustrative Mathematics
Midpoints of the Sides of a Paralellogram
This task asks learners to prove that the segment joining the midpoints of two sides of a parallelogram is both congruent and parallel to an adjacent side of the parallelogram. The activity would be good to use in a discussion about how...
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Quick Recognizing Shapes Guide
Although there isn't anything for kids to complete in this shapes handout, they can use it as a guide for drawing shapes and recognizing their attributes. There are eight shapes described here: circle, oval, triangle, rectangle,...
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Equations of Lines
Young scholars define slope, and practice finding the slope of lines through given points. They determine the angle of inclination. Students find the relationship between the slope and the tangent of the lines. Young scholars determine...
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Geometry
In this geometry review game learning exercise, students use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
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The Tipping Point
Students rewrite word problems and solve using math. In this word problem lesson plan, students gather data and observe the data. They relate this process to the scientific method and math. They review their data to be able to answer...
Illustrative Mathematics
Is This a Parallelogram?
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...
Curated OER
Fabulous Fractals
Young scholars view a video to discover how patterns in nature relate to math. They explore the concept of exponential growth by observing and creating fractals. They solve and design word problems.
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Volleyball Pre-Assessment Quiz
A quick pre-assessment before you class starts the Volleyball unit. There are some matching questions, a couple of fill-in-the-blanks, and a couple of short-answer questions covering basic knowledge of volleyball. An answer sheet is...
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Hands-On Geometry
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
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Shape Up
Students explore differents types of triangles and quadriaterals. In this polygon lesson, students model identify and compare two and three dimensional geometric figures. Students create tangrams and discover the difference between...
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Properties of Special Quadrilaterals
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, high schoolers solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create...
Curated OER
Flip's Flag
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
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Midsegments of a Triangle
High schoolers analyze midsegments of triangles in this instructional activity. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this...
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Measuring the Earth (Eratoshenes' method)
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
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Geometric Shape Cakes
Students become problem solvers and communicate geometrical ideas. In this geometrical shapes lesson, students make a cake template from geometrical shapes.
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Bisector Construction
In this geometry worksheet, 10th graders construct parallel and perpendicular lines using a compass and a straight edge. There are 4 construction questions with an answer key.
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Angling Your Way Through a Picture
Students look at the geometry in an artwork. In this art history/geometry lesson, students research the artist Charles Sheeler and look at his painting Stacks in Celebration. They find the different types of lines, angles, and...
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Optics- The Study of Light
In this optics worksheet, high schoolers read about refraction and reflection, lenses and mirrors, and objects and images. They answer 13 matching questions about light rays, light behavior and types of lenses. They also answer 9...
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Optics - The Study of Light
For this optics worksheet, students read about how light can reflect or refract and how lenses and mirrors work. Then students complete 13 matching, 27 fill in the blank, and 8 word problems.
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Shapes Are Everywhere
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...