Beacon Learning Center
Angles and Algebra
Students calculate angle measure for triangles and complementary/supplementary angles. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice.
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Testing For Congruent Triangles
Students define and discuss congruency and the corresponding parts between congruent triangles. They create a pair of congruent triangles, test for congruency, and complete a worksheet.
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Triangles
Third graders recognize geometric shapes with acute angles, make geometric shapes with acute angles on geoboards, and draw acute angles on geopaper.
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Similar and Congruent Triangles
Students create and classify different types of triangles using an online geo-board. They explore the concepts of similar and congruent as they discover how to draw similar and congruent triangles.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Pythagorean Theorem
Students explore how the Pythagorean Theorem works and how to apply it.
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Parallel Lines and Triangles
In this triangles worksheet, students solve 1 problem of multiple variables within a single picture of various triangles intersecting with a pair of parallel lines.
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Triangle Review
In this triangle worksheet, students draw the type of triangles described, 4 total. Space is provided for student's drawings. A reference web site is given for additional activities.
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Rectangles and Squares
Students identify two dimensional shapes in the school environment. In this basic shapes activity, students watch a video about rectangles and squares. Students find examples shapes in their classroom and draw them. Students present...
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Equilateral Triangles
In this equilateral triangles worksheet, students study the various triangles to identify equilateral triangles. Students may count the triangles.
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Is It a Triangle?
Students explore the concept of triangle inequalities. In this triangle inequality lesson plan, students cut spaghetti noodles into given lengths. Students use the noodles to complete a worksheet about triangle inequalities. Students...
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Circus of Shapes
In this geometric shapes worksheet, students analyze a picture of a skyscraper tower with many shapes. Students color all the triangles.
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Circles and Triangles: Sun
In this coloring shape learning exercise, learners trace the circles and color them yellow. Students trace the triangles and color them orange. Learners then trace the circle and triangle at the bottom of the page.
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Shapes and Color: Rectangles and Triangles
In this shape and color learning exercise, students trace rectangles, coloring them pink, then trace circles, coloring them purple. Students then trace and color a set of 6 circles.
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Shapes and Colors: Triangles and Ovals
In this shape and color instructional activity, students trace triangles coloring them brown, then trace ovals and color them pink. Students also trace and pictures of a ice cream cones made of triangles and ovals.
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Tracy Triangle
In this triangle worksheet, 1st graders study the picture of the triangle and then memorize the triangle song. Students practice drawing triangles in the provided space.
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Perimeter and Area of Triangles 2
In this measurement learning exercise, 5th graders study the different triangles and then use the given measurements to find the perimeter and area for each.
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Calculating the Perimeter of a Triangle
In this geometry worksheet, 5th graders read how to find the perimeter of a triangle. They use the P= S1+S2+S3 formula to find the perimeter of three triangles.
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Shapes Matching Worksheet
Using this worksheet, students practice identifying basic shapes, such as an oval, rectangle, triangle, and hexagon. This worksheet would be ideal for preschool or kindergarten students.
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Creating Tessellations
In this creating tessellations worksheet, 10th graders solve 2 word problems that include creating various tessellations. First, they explore the various techniques used to form tessellations, including triangles, quadrilaterals,...
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Brain Teaser- How Many Triangles?
In this geometry worksheet, students examine a picture that has many hidden triangles. Students count the triangles they discover and color the picture.
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Proposed Problems
In this math worksheet, students read the information about an isosceles triangle. The ratio of the lengths of two sides is equal. They determine the exact measures of its angles.
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Power Question 2
In this math worksheet, high schoolers determine the locus of points, M, in plane ABC, such that KMAB=KMAC. They also draw the triangle ABC. Then determine the proof of the interior angles determining the identity of the equilateral...
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Puzzling Shapes
In this math worksheet, students count the number of rectangles and triangles they see in two drawings. Each figure has overlapping shapes.