Curated OER
"Where Does Pi Come From?"
Fifth graders explore geometry by exploring Pi. For this circle measurement lesson, 5th graders identify the relationship between the radius, diameter and circumference of a circle and how Pi is the key to unlocking any circular...
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Solving Intercepted Arcs
Students investigate circles and its arcs. In this geometry lesson, students identify the relationship between an circle and its intercepted arcs. THey identify the central and inscribed angles.
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Investigation: A Train of Shapes
Students explore geometry by utilizing stackable blocks in class. In this shape identification lesson, students discuss the different characteristics of squares, rectangles and circles while creating them with building blocks in class....
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Quiz: Area of Sector and Segment
In this area of sector and segment worksheet, students find the area of a shaded sector. Given the central angle of a segment and the radius, students identify the area of a sector. This one-page worksheet contains ten problems.
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The Right Angle
In this geometry worksheet, 10th graders determine the answer to a vocabulary questions and then follow the give rules to place the answer in the appropriate place on the crossword grid. The one page worksheet contains 18 questions. ...
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Slit the Width
Students calculate the circumference and diameter of a circle. For this geometry lesson, students construct a circle and calculate the distance of different sizes of circles. They define the relationship between the diameter and the...
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DEAD MAN'S CURVE
Ninth graders, after being given a unique scenario and a task sheet on Dead Man's Curve, calculate and explain the force needed to keep a car on a curve using a set of formulas and a geometric property of circles. They utilize and create...
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Two-Dimensional and Three-Dimensional Shapes
First graders explore 2-dimensional and 3-dimensional shapes. In this geometry instructional activity, 1st graders examine the attributes of 2 -dimensional and 3-dimensional shapes. They also create the shapes as they build models. This...
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Folding Shapes; Are the Sides the Same?
Second graders explore geometry by experimenting with fold-ables. In this geometric shapes lesson, 2nd graders utilize cutout shapes from construction paper which they experiment with by folding. Students examine the symmetry and...
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Power of a Point
Students solve problems by finding the radius or diameter. In this geometry lesson plan, students identify the tangent line of a circle and use properties of circles to find the radius. They relate circles to the real world.
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Transformations - Rotation
For this transformations worksheet, 7th graders measure 10 different figures related to rotation. First, they determine the measure of the angle between blades of a windmill. Then, students determine the rotation clockwise and then...
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Angle Formulas
In this geometry worksheet, students identify the different properties and characteristics of a circle. They use angle formulas to solve for the missing angles. There are 20 questions.
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Word Search Y4 - Shape
In this geometry worksheet, 4th graders find 13 words in a word search puzzle. They find words such as convex, prism, cylindrical, and cone which are placed diagonally, vertically, or horizontally in the puzzle.
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Graph Study
In this geometry skills activity, students examine a graph and respond to 5 questions that require them to identify the coordinate pairs of object on the grid.
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Why are Bubbles Spheres
Students calculate the surface area of different polygons. In this geometry lesson, students practice calculating the volume of spheres. They work with cones, cylinders and rectangular prisms.
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Investigation: Sorting and Classifying
Fifth graders explore geometry by creating shapes with construction paper. For this shape characteristics lesson, 5th graders identify the different attributes that make up specific shapes and create them using construction paper,...
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Troublesome Towers
Students observe solids and identify parts that make up the surface area. For this geometry lesson, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
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Congruent Chords, Parallel chords and Perpendicular Chords
In this geometry activity, students solve problems about congruent, parallel, and perpendicular chords and bisectors. There are 9 problems with an answer key.
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The Geometry of Solids
In this solids worksheet, students compute the volume of prisms, cylinders, pyramids, spheres and cones. This seven-page worksheet contains approximately 68 problems.
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Areas of Regular Polygons and Circles
Learners explore area of polygons and regular polygons in this math instructional activity. They calculate the area of several polygons using Cabri Jr. and analyze shapes and write formulas to solve for the area.
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Regular & Irregular Polygons
In this polygons instructional activity, 7th graders identify and complete 8 different problems that include determining the types of various polygons. First, they use the table to the left to color each of the polygons illustrated....
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Word Problems: Geometry
Students solve word problems by using basic geometry. In this geometry lesson, students use geometric formulas to find the perimeter, area, and volume of objects. Students complete a worksheet.
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Geometry Worksheet: Area (6)
For this geometry worksheet, 10th graders express the area of the ring between two concentric circles in terms of the length of a segment tangent to the smaller circle. The one page worksheet contains a drawing of and an explanation of...
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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.
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