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Finding Perimeter and Area
Third graders understand the perimeter by units and now find perimeter by addition. In this perimeter lesson, 3rd graders relate their prior knowledge to adding the sides of the perimeter by answering a series of questions.
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Trigonometric Ratios
Students measure and analyze angles. For this trigonometry lesson, students measure angles and distances use non-traditional techniques. They identify the different ratios of sine, cosine and tangent.
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Tiling the Plane
Fifth graders use pattern blocks and triagular grid paper to reivew shape names, be introduced to the concept of a tiling of the plane, and determine which pattern blocks tile the plane. They are asked if they comprehend what a...
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Introduction to Slope Fields
Students plot slope fields. In this introduction to slope fields lesson, students plot 12 slope fields for given differential equations.
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Constructing Tangrams
Seventh graders visualize and identify geometric shapes after applying transformations on a coordinate plane. In this tangrams activity, 7th graders construct a set of tangrams and then answer extension questions related to measurement,...
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Forming, Measuring and Labeling Angles
Students draw and measure angles. In this angle measurement lesson, the teacher demonstrates how to form and measure angles while explaining the parts of an angle, then students practice.
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Symmetry
Students explore symmetry. In this geometry lesson plan, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry...
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Oo is for Octopus
Oodles of fun and opportunities for learning are overwhelming in this Letter O activity series, which features printing practice for letters and numbers, connect the docts, and lots of cute octopi for your learners to color.
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N Equal Parts by Construction
Students experiment with straight edges and compasses to divide lengths into equal parts. They identify different fractions of the total length.
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Exploring Centers of a Triangle: Part 2
Students model and solve a real-world problem by constructing the centroid of a triangle. They explore relationships of the medians of a triangle and investigate how the centroid partitions each of the medians. Students investigate...
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Our Tangible World is Full of Dimensions
Sixth graders explore characteristics of two and three-dimensional figures. They observe the teacher demonstrate the faces, edges, vertices and names of specific figures. In groups, 6th graders examine and describe given figures. ...
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Properties of Special Parallelograms
Students identify properties of parallelograms. In this geometry lesson plan, students label polygons as parallelogram or not. They define and label the properties of a kite.
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SAS Similarity Theorem
Students identify and use the similarity theorem. In this geometry lesson, students differentiate between congruent and similar triangles. They solve problems using the computer modifying shapes by dragging.
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Median of a Trapezoid
Students find the median of trapezoids and other polygons. In this geometry activity, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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Corresponding Sides and Angles of Similar Triangles
Students differentiate between corresponding sides ad angles of two triangles. In this geometry lesson, students identify the differences as well as the similarities between two triangles. They differentiate between similar and...
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Creating Fractals
Students solve problems using fractals. In this geometry lesson, students identify properties of fractals. They find patterns in their surroundings and relate it to the real world and math.
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Exploring Geometric Mean
Students solve problems using geometric means. In this geometry instructional activity, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Inscribed Angles
Students calculate the inscribed angle of a triangle. In this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of a parallelogram. In this geometry lesson plan, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
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Finding the Area of a Parallelogram with Translations
Young scholars calculate the area of parallelograms. In this geometry lesson plan, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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Oo is for Octopus
Learners learn to print the upper and lower case DeNelian letter Oo in this language arts worksheet. Learners trace several examples before forming their own letters in the unlined boxes. Also included is a Connect-the-Dot and counting...
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Aa is for Apple
For this printing worksheet, students form 11 upper and lowercase letter A's. Students color in pictures of words beginning with the letter and write two rows of A's on their own.
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Ee is for Eggs
Students learn to write upper and lower case DeNelian letters Ee for this printing practice instructional activity. Students trace several examples, write letters, color, and count eggs.