Curated OER
Types of Triangles
Students classify triangles by the length of their sides. In this geometry lesson, students use a white board to demonstrate the angles of various triangles. Students construct an equilateral, isosceles, and a scalene triangle.
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Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry activity, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
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Measurement
Seventh graders measure surface area. In this geometry lesson plan, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes. Students use graph paper to...
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Area and Perimeter
In this geometry instructional activity, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons. The one page instructional activity...
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An Application of Congruence
Students solve triangles using the properties if congruency. For this geometry lesson, students apply congruent and similar figures to solve real world and math problems. They show they are able to follow instructions.
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Euler Characteristic
Pupils identify the different properties of Euler's Characteristics. In this geometry lesson, students identify the shape and surface a polygon. They relate the concept of Euler to solving real world problems.
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The Lady of Shalott Theme of Art and Culture
In this reading comprehension worksheet, students respond to 4 short answer and essay questions based on themes of art and culture in "The Lady of Shalott." Students may also complete their choice of 3 reading activities suggested.
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How are Trig Ratios Used to Measure Triangle Sides
Students identify the ratios of trig identities. In this geometry lesson, students solve the missing sides and angles of triangles using trig ratios. They relate the graphs and waves to real life scenarios.
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Fun With Fractals
Students use fractals to analyze nature. In this geometry instructional activity, students work in groups using technology and math to communicate. They identify where in the real world fractal can be seen.
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Angle Action 1,2 and 3
Students investigate angles through construction. In this geometry lesson, students use a protractor to identify the measurement of an angle. They identify angles cut by a transversal and two parallel lines.
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Pyramids- Slant Height and Altitude
Students calculate the height and altitude of a pyramid. In this geometry lesson, students define the parts that make up a pyramid. They use the Pythagorean Theorem to find the missing parts of a pyramid.
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Geometric Sequences
Students relate pattern and sequences to music. For this geometry lesson, students identify different scales using chromatic scales. They compare the different waves to sine waves and other trigonometric waves.
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Nets, Surface Area and Volume
Students calculate the surface area and volume of a sphere. In this geometry lesson, students define nets, surface areas and volume of prisms, pyramids, cylinders and cones. They use the computer to create nets and analyze shapes.
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Patterns in the Sums of Polygon Angles
Sixth graders discover the patterns of sums of polygon angles. In 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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Measuring and Predicting Capacity
Students investigate geometric shapes through volume and dimensions. In this geometry lesson, students measure, weigh, and calculate sizes and volume based on estimation and calculation. They review important vocabulary related to prisms...
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Pythagorean Theorem
Students are introduced to the Pythagorean theorem. They use three different activities that give students the opportuntiy to observe triangles, and use the Pythagorean theorem and practice different ways of determining areas of...
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Fun Times with Integrals
Students study techniques used for solving integrals. Using tangrams and hands-on activities, students perform basic integration techniques. They use artistic skills and real-world applications to discover more complex methods of...
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Working with larger arrays
Fifth graders use arrays to show the meaning of multipication in selected situations. They practice using large and small arrays. The lesson has numerous activities, which gives students more opportunities to display academic growth.
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Space Science:Wherever You Go, There You Are
Students explore navigation principles by observing, measuring, and interpreting data to determine locations. Using a compass, compass rose, and a transit, they plot courses and discover the workings of the Global Positioning System...
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Slit the Width
Students calculate the circumference and diameter of a circle. In this geometry instructional activity, students construct a circle and calculate the distance of different sizes of circles. They define the relationship between the...
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Coordinates
Students identify and label the coordinate planes by the four different quadrants. In this geometry lesson, students plot an ordered pair correctly. They identify and differentiate between rational and irrational numbers.
Project SMART
Exploring the History of Mathematics
Students research six different mathematicians using Internet resources. They examine the contributions of different cultures, women, and one that made a significant to geometry. They present their research to the class.
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Cubic Unit Models
Fourth graders find the volume of solids. In groups, 4th graders use spinners to determine the dimensions of solids. They construct the shapes, creating a model of the figure Students count the cubes in the model to determine the...
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Prime and Composite Numbers
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...