Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
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Exploring Altitudes in Math
Students draw and calculate altitudes. They draw the altitude of acute, right and obtuse triangles and calculate the altitude of a triangle using the Pythagorean theorem.
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Congruent Triangles
Tenth graders explore congruent triangles. In this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles are congruent by SSS, ASA, AAS, or SAS.
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Mean Twisters - Mean Proportional
In this mean proportional worksheet, students work in pairs to solve right triangle problems. They use ratios and proportions of similar triangles to determine a missing length. This two-page worksheet contains 16 problems.
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Geoboard Ideas
Learners build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.
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Similar Figures
In this similar figures worksheet, students identify corresponding sides and corresponding angles of given polygons. They identify similar figures. This three-page worksheet contains 18 problems.
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Exploring Similar Figures
In this similar figures worksheet, 10th graders solve and measure 10 different angles that are similar. First, they determine which angel corresponds to each given angle. Then, students determine the scale factor of a particular...
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Understanding Angles
In this geometry learning exercise, students identify the different measure of each angle. They rotate the rays around and make observations about the angles formed. There are 15 questions and lots of examples.
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Algebraic Equations
In this algebraic equations learning exercise, students solve 9 different problems that include various types of equations used on the sheet. First, they determine the solution of a given inequality. Then, students write the greatest...
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Patterns in the Sums of Polygon Angles
Sixth graders discover the patterns of sums of polygon angles. For this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
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Median
Students solve problems involving triangles. In this geometry instructional activity, students use the properties of triangles to find the angles and side. They identify the median and altitude of the triangle.
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Constructing Midsegments of Triangles
Students construct midsegments. In this geometry lesson, students make conjectures and apply properties of triangles to solve problems. They complete an activity on the computer.
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Navy Sail Design
High schoolers use the Pythagorean Theorem to explore sailboat design. In this Pythagorean Theorem lesson, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet, bulletin board...
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Tetrahedron Kites
Let's go fly a kite! Discuss the concept of two-dimensional and three-dimensional objects with your math class. They examine a triangle and discuss the face, vertices, edges, and angles. Then they build their own Tetrahedral Kites and...
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Congruent Triangles - Is This Enough Information?
Seventh graders examine congruence postulates and apply knowledge to triangles in the world around them.
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Unit Circle Triangle
Students find the different ratios of a right triangle. For this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...
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Basic Shapes
Students create books about shapes. In this shape lesson, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra. In groups, they create an illustrated...
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Vectors
In this vectors activity, 10th graders solve and complete 7 various types of problems related to vectors. First, they find the third side and the angle labeled in each right triangle. Then, students resolve each of the vectors into its...
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Trig River
Students calcute distances using trigonometry and angle measurements. They estimate the width of the Trig River, measure it and compare their results with their classmates. They collaborate with a group to research and find the results.
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Geometric Shapes
Students identify polygons. In this geometric shape activity, students explore the characteristics of polygons. They identify polygons, and classify triangles according to their sides and angles. Students create a...
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Tomb Robbers
Sixth graders identify benchmark angles as they are embedded into a circle grid. They observe the teacher using an angle ruler and complete a Star Spangled worksheet, play the game Tomb Robbers, and as a class discuss their game winning...
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Angles
Students measure angles using a protractor. In this geometry lesson, students solve for the missing angles using equations set to the theorem of triangles. They measure missing angles through construction and identify congruent angles.
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Pythagoreum Theorem
Students practice assessing how to apply the formulas for the area of parallelograms and triangles. They recount the contributions of Pythagoras and apply the theories of the Pythagorean theorem in a group project to calculate the...
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Tiling the Plaza (Geometry)
Students make patterns with a variety of pattern blocks. Pupils experiment with making tile designs using only one shape by rotating that shape around a point. They enter a contest for creating the best tile design for the new plaza...