Curated OER
Build a Weather Vane
Learners construct a weather vane using their knowledge of some geometric shapes. For this weather lesson, students work in pairs to create a weather vane in order to measure wind direction. Learners follow precise directions to ensure...
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Mandalas : polygons
Fourth graders create mandalas. In this mandala lesson, 4th graders look at these polygons in nature and man-made forms. They create their own by using tangrams.
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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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Interior and Exterior Angles of Polygons
Students identify interior and exterior angles of polygons. In this geometry lesson, students add interior and exterior angles of polygons. They use angle theorems to solve the problems.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of a parallelogram. For this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of parallelograms. In this geometry instructional activity, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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Tango's Story
Fifth graders listen to "Grandfather Tang's Story" and use tangram pieces to create animals described by the main character.
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ESOL Shape identification
Students review vocabulary shape cards. They match oral words of shapes with flash cards then they make and label their own set of shape flash cards and then review with a classmate.
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Personal Body Types
Students are introduced to the four main body types. Individually, they label their own body type and disover which styles would be most flattering to their figure. To end the lesson plan, they design an outfit for themselves and...
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Rhombi
Students examine the rhombi or diamond shape and compare it to the square. Students are challenged to create as many flat rhombus shapes as possible and develop a definition for the rhombus shape in 20 minutes while working in teams of...
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Houses
Third graders use a number of problem solving strategies in this unit of lessons. They determine how to draw and model three-dimensional objects, use co-ordinate systems, determine probability of events, and identify paths of simple...
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Tunnel Traps
Students identify shapes that match specific shape descriptions involving a range of geometric terms and correct polygon names. They utilize a mathematics educational software program to gain practice.
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Fractions Describe Parts of a Whole
Third graders represent fractions as part of a whole. For this fractions lesson, 3rd graders use manipulatives to show how a fraction is a part of a whole. This lesson includes individual practice and an assessment instead of direct...
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Ship Shape
Third graders experiment with, identify, and follow teacher-directed instruction toward understanding two-dimensional geometric shapes found within the environment. Groups of students utilize geoboards to help them explain geometric shapes.
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Mondrian, Math, and Amazing Colors
Young scholars study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
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Recognizing High and Low Pitch
Students distinguish a high pitch from a low pitch, and demonstrate high/low pitch recognition by creating contrasting movements to high and low music, and use instruments to represent the characters in The Three Little Pigs.
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Flying Geese
Students examine the Flying Geese quilt pattern, and discuss and identify the pattern. They write a paragraph titled, My Quilt Report, summarizing the information discussed about the quilt patterns.
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Mineral or Maceral Mosaic
Students study about geologists and their job. They also study that rocks are made up of minerals and organic material by conducting an experiment where they create their own "granite" or "coal".
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Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. For this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....
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Meet the Polygon Family
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
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Polygons Defined
Fourth graders explore polygons. In this polygon activity, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
CK-12 Foundation
Ck 12: Elem Math: Classifying Triangles by Identifying the Number of Equal Sides
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.
Scholastic
Scholastic: Study Jams! Math: Geometry: Classify Triangles
After completing the lesson on classifying triangles, you can sing along with karaoke and test your knowledge.
Texas Instruments
Texas Instruments: Classifying Triangles by the Length of the Sides Using Cabri
This activity uses Cabri Jr. to classify triangles according to the length of their sides. [Requires Adobe Reader.]
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