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Types of Triangles
In this math worksheet, learners classify the listed triangles and practice labeling them correctly. The definition of each type is necessary prerequisite knowledge.
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Squares and Triangles
In this squares and triangles worksheet, students trace five triangles and six squares, cut out each one and then place them together to make a variety of shapes.
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Triangles Maze
In this math worksheet, students analyze the shape of a triangle to help Ollie Octopus find his way home. Students follow the path in the maze by only coloring the triangles.
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Trace the Dancing Triangles
For this triangle tracing worksheet, students will trace and color nine dancing triangles. The triangles have faces, arms, and legs.
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Number Triangles
In this elementary worksheet, students recognize the number order for the 12 triangles and they cut and glue them in the spaces around the circle.
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Space Shapes
In this Geometry worksheet, 1st graders are challenged to color and identify different shapes using the theme of outer space and a rocket ship.
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Building With Triangles
Students participate in a unit on triangles. Through the unit they explore different way to make basic shapes using triangles. They also examine the basic properties of triangles and the relationships among basic geometrical shapes in...
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Tricky Triangles
Third graders engage in a lesson that is concerned with the playing of a Trick Triangle Game while focusing upon developing skills of addition, subtraction, multiplication, and division. They play the game and practice rounding of...
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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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In the Path of the Ancients: Unearthing Formulas for Area
Students apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
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Try An Angle
Fifth graders classify the different triangles by sides and angles. They discover how many different ways they can arrange 2, 3, 4 ...7 tangram pieces to create triangles. They classify and label the six triangles on their pattern sheet.
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Exploring Centers of a Triangle: Part 1
Students use problem solving skills, formal geometry, and The Geometer?s Sketchpad. They model and solve two real-world problems by constructing the in center and circumcenter of triangles.
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Using Polynomials To Find Perimeter
Fifth graders engage in the solving of a real life application problem using the concept of calculating perimeter. They apply the operations of calculating with the polynomials for finding the perimeter of triangles,quadrilaterals, and...
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Placing Plates
Second graders investigate the task of making a large hexagonal plate by putting together smaller ones. The lesson has detailed example problems for the teacher to use during direct instruction. The manipulative activities strengthen the...
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The Diagonal Of A Box
Learners solve problems using the pythagorean theorem. They use critical thinking skills in order to use a systematic process to solve the problem. Upon solving each problem the uniqueness of the lesson plan is asking students to give an...
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Exploring Centers of Triangles
Students explore properties of triangles using angle bisectors, incenters, circles, midpoints, and altitudes. They use Geometer's Sketchpad in order to create triangles and their properties.
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Dizzy Heights
Fifth graders explore ways to measure the height of an inaccessible object. They measure lengths using a tape measure or ruler. Students measure angles using a protractor and estimate heights.
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Ship Shape
Second graders explore shapes and create a Silly Shape book. Students recognize that shapes have certain properties and be able to define them. Example, a triangle is any three-sided shape. Students' job is to make a picture on...
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Polygonal Strings
Sixth graders apply knowledge of how to calculate the area and perimeter of triangles. They determine why it is inappropriate to measure the area of land by its perimeter which is done in certain areas of New Guinea. They complete a...
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Origami Frogs
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.
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Pattern Puzzlers
Learners identify triangles, circles, and squares, then show their understanding of patterns by continuing a pattern that contains three different elements. They utilize worksheets imbedded in this plan to practice using these shapes.
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Trigonometry
Eighth graders practice calculating the unknown length of a right angle triangle. They also examine the pythogoram theory in groups. They help each other work through the problems.
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Triangle Explorer
Students calculate the area of triangles using a variety of materials including computer applets.
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Mathematics: The Star of David
Sixth graders determine the number of triangles in the Star of David.