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Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
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Ovals, Rectangles, Squares, and Triangles
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
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Plot the x-y Coordinates on the Grids Below
In this coordinate grid graphing worksheet, students plot the given points onto each of 6 coordinate grids. All points are located in quadrant 1. One point is plotted on each grid. Answers are given by clicking the appropriate place on...
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Plotting Coordinates on a Grid
In this plotting points on a graph activity, students plot 6 points on 6 graphs. Students plot x and y-coordinates in the first quadrant.
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Race The Rapper: Slopes
Young scholars calculate the slope of the equation In this algebra lesson, students graph coordinate pairs of linear equations and identify the relationship between x and y values and slope. They differentiate between functions and...
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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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Graphing on a Coordinate Plane
Eighth graders explore the coordinate system. They identify the x and y-axis, parts of the coordinate plane, and discuss the process of plotting points. To emphasize the process of plotting points, 8th graders play an ordered pair...
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Terrific Tessellations
Students explore tessellations that are found in nature and everyday objects. They observe the works of M.C. Escher. Students create their own tessellations using pencil and paper.
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Inked Geometric Mandalas
Fifth graders gain an appreciation for mandalas in many cultures. Compare and contrast designs from many cultures. They see geometric design in mandalas and become aware of symmetrical balance and radial balance. They create a mandala...
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Rounding
In this rounding worksheet, students solve 40 problems in which whole numbers are rounded to the nearest 10. 100 or 1000. Students also round to the nearest dollar.
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Finding the Area of Triangles
Twelfth graders apply the formula for finding the area of a triangle to various problems. They work real life problems for finding the area of a bathroom and the cost of tiling it. They play a game, Triangle Bingo, where they match...
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Polygons All Around Us!
Students explore the concept of polygon properties. In this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in the...
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Similar or Not?
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.
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Eye From the Sky
Students are introduced to the concept of aerial perspective and scale. Students will use satellite technology to view their neighborhoods and sketch the area surrounding their schools. They will take part in a neighborhood walk to view...