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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve 10 different problems that include determining various types of circles. They write the standard form of the equation of the circle with the given radius and center. Then, students solve each...
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Worksheet
Curated OER

Arcs in Circles

For Students 10th
In this arcs in circles worksheet, 10th graders identify 10 different circles and the measurement of their arcs. First, they determine the length of a minor arc to the nearest integer. Then, students determine the radius of a circle...
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Lesson Plan
Curated OER

Connecting Area Formulas Produces a Beautiful Formula

For Teachers 11th - Higher Ed
In this math worksheet, students find the area of the triangle using the formula of 1/2 bh. Then they find the area using an alternative method.
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Worksheet
Curated OER

Degrees Of A Circle Exercises

For Students 6th - 8th
In this math worksheet, students examine the fractional parts in order to determine the degree equivalent within a circle. Then they do the same using drawn circles.
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Worksheet
Curated OER

Geometric Shapes

For Students 2nd - 4th
In this geometric shapes worksheet, students count how many triangles, rectangles, and circles they see and write down the numbers in the boxes provided.
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Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, students solve 14 problems in which they calculate the diameter, radius, circumference and area of circles. There are no examples or formulas provided on this page; prior knowledge is assumed.
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Worksheet
Curated OER

Trace the Dancing Circles

For Students K
In this circle tracing worksheet, students will trace and color five dancing circles complete with happy faces, arms and legs.
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Lesson Plan
Curated OER

Pi

For Teachers 6th
Sixth graders read the book "Sir Cumference and Knights of the Round Table" to introduce them to the concept of Pi. As a class, they discover where Pi originated and define the terms circumference, radius and diameter. To end the...
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Lesson Plan
Curated OER

Match The Graph Circles

For Teachers 9th - 12th Standards
High Schoolers engage in a study of circles and graphs that are related with the focus upon finding the center and radius. The instructional activity includes the suggestion of giving homework using circle problems before this one to...
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Lesson Plan
Curated OER

The Unit Circle

For Teachers 9th - 11th
Students relate the trigonometric functions to the coordinates of the unit circle with access to explorelearning.com. They determine the signs of trigonometric functions in each quadrant.
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Lesson Plan
Curated OER

Circles And Cylinders

For Teachers 6th - 8th
Middle schoolers investigate some of the mathematical concepts involved in the study of circles. They first practice finding the circumference of a circle by finding the diameter and performing the calculation. The instructional activity...
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Lesson Plan
Curated OER

Relationships Among Arc and Angle Measures in Circles

For Teachers 9th - 12th
Students follow the directions on the attached worksheet to construct shapes using Geometer's Sketchpad. To start the instructional activity, it is suggested that the teacher guide the students through the initial problem. When...
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Lesson Plan
Curated OER

A Dreamer's Cloak

For Teachers 1st - 5th
Learners listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
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Lesson Plan
Curated OER

Geometry in Nature

For Teachers 6th - 7th
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
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Lesson Plan
Curated OER

Measuring the Earth

For Teachers 10th - 11th
Students identify types of arcs and angles in a circle, find the measure of arcs and angles, and solve real world problems involving lengths of segments in circles, lengths, and areas.
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Lesson Plan
Curated OER

Taxicab Metric, Circle

For Teachers 7th - 8th
Pupils create a circle using the taxi-cab metric. In this geometry lesson, students identify the properties of circles. They identify the idea of geometric shapes and how they come about.
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Worksheet
Curated OER

Whiskery Lake Problem

For Students 10th
In this Geometry worksheet, 10th graders solve a problems involving area of a circle given information regarding surface area.  The one page worksheet contains one problem with answer. 
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Lesson Plan
Curated OER

Evaluating the Products of Chords of a Circle

For Teachers 9th - 12th Standards
Learners investigate chords and make predictions. In this geometry lesson, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
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Lesson Plan
Curated OER

Rectangles and Squares

For Teachers K - 1st
Students identify two dimensional shapes in the school environment. In this basic shapes activity, students watch a video about rectangles and squares. Students find examples shapes in their classroom and draw them. Students present...
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Organizer
Curated OER

2D Shapes-Circles

For Students Pre-K - 1st
In this circles worksheet, students view a set of different sized circles. Worksheet is for reference and has no associated activities.
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Lesson Plan
Curated OER

Measurement, Perimeter and Area

For Teachers 7th - 9th
Learners explore the concept of measurement.  In this measurement lesson, students collect data about themselves such as height, finger length, neck circumference, foot length, and other body measurements.  Learners cut squares of...
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Lesson Plan
Curated OER

Theorems and Formulas for Circles

For Teachers 10th
In this theorems and formulas for circles worksheet, 10th graders solve and complete 13 different types of problems. First, they create a graphic organizer for all the given formulas for circles. Then, students use the labeled pictures...
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Organizer
Curated OER

Circle Halves

For Students K - 1st
In this circle worksheet, students study that two semi circles make a complete circle. Students cut out the two halves of the circle and paste them together on the big circle that is shown.
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Worksheet
Curated OER

Circle Shapes

For Students K - 1st
In this shape activity activity, students trace the circles on the tree and color them red. Students then trace the 3 large circles at the bottom of the page.