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Geometry: Lesson 6: Shapes
Fourth graders design a figure using the given geometric shapes from a set of tangrams. They manipulate common shapes to analyze and make new figures. They complete a worksheet associated with the lesson.
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Triangle Explorer
Students calculate the area of triangles using a variety of materials including computer applets.
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Space Shapes
Students read "Captain Invincible and the Space Shapes" by Stuart Murphy and view a PowerPoint presentation on shapes. They identify shapes presented in the book and then identify shapes found in their classroom.
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Shape It
Fourth graders use math software and geoboard paper to design basic shapes. They write individual definitions for the geometric shapes based on what they see in the shapes. They apply their background knowledge of the shape as they write...
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Classifying Geometric Figures
Fourth graders recognize and classify geometric figures. In this geometry lesson, 4th graders read the books Shape Up and The Greedy Triangle and prepare a short report on the shapes mentioned in the text. Students compare the polygons...
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Polygons in Symmetry: Animal Inventions
Fourth graders use polygons to create animal figures with symmetry. In this polygons and symmetry lesson, 4th graders create a symmetrical animal collage by cutting and gluing geometric shapes and figures from math activities.
School Mathematics Project
Resource Sheets
This extensive and far-reaching collection of worksheets puts a new twist on many basic concepts. Learners use multiplication to trace a path from one point to another, tile a plane by converting between improper and proper fractions,...
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Identifying Triangles
In this triangle worksheet, students label triangles as acute, right, obtuse, scalene, equilateral or isosceles. A reference web site is given for additional activities.
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Identify Triangles #
In this triangle worksheet, learners identify triangles as scalene, equilateral, right, obtuse, acute or isosceles. A reference web site is given for additional activities.
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Identify Triangles
In this triangle activity, students identify a set of triangles, labeling as equilateral, scalene or isosceles. A reference web site is given for additional activities.
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Identify Types of Triangles
In this triangle instructional activity, students identify triangles as either equilateral, scalene or isosceles. A reference web site is given for additional activities.
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Identify Triangles #3
In this triangle worksheet, students identify triangles as obtuse, right, or acute, checking the correct answer. A reference web site is given for additional activities.
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Identify Triangles
In this triangles worksheet, students identify triangles as either Acute, right or obtuse. A reference web site is given for additional activities.
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Area of Triangles
For this area of triangles worksheet, students calculate area for a set of 4 triangles, writing total area beneath each. A reference web site is given for additional activities.
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Identify Triangles
For this triangle worksheet, students check the correct answer, identifying triangles as either right, obtuse, acute, scalene, isosceles or equilateral. A reference web site is given for additional activities.
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ARE YOU A TRIANGULATEER?
Students explore about triangles and their relationship to the worlld around them. They are able to identify triangular shapes in their environment. Students are able to communicate to one another their understanding of triangles outside...
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Geoboard Ideas
Students build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Students then switch with a partner to try an make a symmetrical shape.
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Problem Solving Using Power Polygons
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
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Surface Area with Polydrons
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
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Polygon Mobiles
Students explore a variety of shapes and angles and create mobiles with information about a selected polygon. Both common and "not-so common" polygons are examined.
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100 Patch Geometric Quilts
Students identify geometric patterns in quilts. For this geometry lesson, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
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Geometry and Shapes
Fourth graders are asked to name different shapes.Four to five students to share their answers with the class. The teacher leads the discussion in geometry about the properties associated with shapes.
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Find the Shape
Students identify points on the coordinate plane using ordered pairs and also plot the ordered pairs on the coordinate plane. They also use properties of shapes to identify polygons such as triangles and quadrilaterals
(square,...
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Geometry: Area
Students visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.