Curated OER
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.
Curated OER
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.
Curated OER
Quadrilaterals and Other Polygons
In this quadrilaterals and other polygons worksheet, students name various polygons and then decide if each polygon is a quadrilateral. Students also decide is certain polygons regular or irregular.
Curated OER
Polygons
Learners work together to create mobiles with different polygons. They research the polygon and list its characteristics. They may present to the class if they chose to.
Curated OER
Polygons All Around Us!
Pupils 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. Pupils identify different geometric shapes in the...
Curated OER
Angles, Parallel Lines, and Polygons
Learners examine how to investigate polygons using an instrument of their own construction. They should be able to prove the general formula for the number of degrees in any polygon (including a triangle). Finally they investigate an...
Pennsylvania Department of Education
Creating Polygons
Pupils describe, make and compare polygons. In this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
Curated OER
Finding Areas of Polygons- Extra Practice Worksheet
In this geometry worksheet, students practice finding the area of 11 polygons using diagrams which include units in both standard and metric measurement. They solve for the area of 11 polygons using words that describe the polygons that...
Curated OER
Characteristics of Polygons
Fourth graders discuss characteristics of polygons and organize and visualize those characteristics using Kidspiration. Students import pictures that demonstrate the characteristics and save their projects to be reviewed and graded by...
Curated OER
Leveled Problem Solving Quadrilaterals and Other Polygons
In this quadrilaterals and polygons worksheet, students solve the problems using quadrilaterals and other polygons. Students solve six problems.
Curated OER
Regular or Irregular? Polygons
In this polygon worksheet, students determine whether a set of given polygons are irregular or regular. A reference web site is given for additional activities.
Utah Education Network (UEN)
Create, Classify, and Sort Quadrilaterals
Quadrilaterals can be quirky! Fourth graders use geoboards and bands to create four-sided figures. They analyze the attributes such as angle size and presence of parallel sides. As a result they learn to differentiate among rectangles,...
EngageNY
Real-World Area Problems
Not all structures take the shape of a polygon. The 21st lesson in a series of 29 shows young mathematicians they can create polygons out of composite shapes. Once they deconstruct the structures, they find the area of the composite figure.
Curated OER
Space Shuttle's Heat Shield Problem
Students participate in a role-play activity to determine how to replace heat shields on the space shuttle using polar coordinates.
Curated OER
Year 5 Unit D1
This presentation is intended to accompany an entire unit and covers a wide variety of concepts. Counting on, counting back, symmetry, properties of 2-D shapes, completing symmetrical patterns, and measuring angles are all covered.
Curated OER
Jack and The Beanstalk Estimation
Introduce the day's lesson by reading Jack and The Beanstalk by Richard Walker, and then review the concept of area with your class. We don't always need rulers to measure, though! Teach learners how to use their hands to help us measure...
Curated OER
The Greedy Triangle-Intro to Geometric Shapes
In this geometry lesson, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Shodor Education Foundation
Visual Patterns in Tessellations
Geometers explore the concept of tessellations. They use a tessellation applet to manipulate shapes and design their own tessellation using the applet.
Curated OER
Dilations with Matrices
Examine dilation with matrices with your class. Learners write a conjecture for how the scale factor determines the size of an image. They then use their conjecture to write a matrix multiplication problem for the illustrated triangle...
Curated OER
Transformations - Rotations in the Coordinate Plane
In this geometry lesson, math scholars brainstorm examples of rotations. Using the SMARTboard, students observe a rotation. They create their own rotation using graph paper. Finally, pupils complete a worksheet and graph rotations.
Math Sphere
Co-Ordinates
Challenge young mathematicians' understanding of the coordinate plane with this series of skills practice worksheets. Offering 10 different exercises that involve identifying ordered pairs, graphing polygons, and rotating/reflecting...
Curated OER
Transformations in the Coordinate Plane
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
Noyce Foundation
What's Your Angle?
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...
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