Curated OER
Building a House Using Circles
Students study circles and problem solving. In this critical thinking lesson, students build a house using all of the circles given to them gluing them onto paper.
Curated OER
Circles
Students review the definition of a circle and the general formula for a circle to specific problems. They also write the equation for a circle given the center and radius of the circle. Students then define a circle using either the...
Curated OER
Circumference and Area of Circles
In this math worksheet, learners learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.
Curated OER
Square Circles
Students analyze and demonstrate how a circle can be measured in square units and examine how diameter, circumference and radius are related.
Curated OER
Moving On: Octagoning the Circle
Students explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
Curated OER
Determining the Uniqueness of a Circle
Middle schoolers use this lesson to determine how circles are different from other shapes. In groups, they determine the accuracy of three theorems based on the uniqueness of circles. They use a software program to hypothesize about...
Curated OER
Math Practice: Circles
In this circle learning exercise, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.
Curated OER
Evaluating the Products of Chords of a Circle
Students 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.
Curated OER
Circle Terminology
In this geometry learning exercise, students identify radii, diameters, chords, tangents, secants and other terminology associated with circles. The one page learning exercise contains eighteen problems. Answers are not provided.
Curated OER
Taxicab Metric, Circle
Students create a circle using the taxi-cab metric. In this geometry instructional activity, students identify the properties of circles. They identify the idea of geometric shapes and how they come about.
Curated OER
Lesson #151 Circles, Parabolas, and Lines
Young scholars write equations for parabolas, circles and lines. In groups, they use computer software to play a game with circles, lines and parabolas. Students play games on the computer to find the equations for the given shape.
Curated OER
Circle Halves
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.
Curated OER
Circle Proofs
In this circle proofs worksheet, 10th graders complete 4 different problems that include circle proofs. They respond to each of the questions that deal with circle proofs. Then, students read the given information and use the circle...
Curated OER
Circles
In this shape worksheet, students focus on the shape of a circle. Students study 8 pictures and put an x on those that have the circle shape.
Curated OER
Circle Shapes
In this shape activity worksheet, students trace the circles on the tree and color them red. Students then trace the 3 large circles at the bottom of the page.
Curated OER
Grape Circles
In this coloring shapes instructional activity, students trace the circles in the grapes and color them purple. Students then trace the circles and triangles at the bottom of the sheet.
Curated OER
ChickaBoom ABC Circle Puzzle
In this ChickaBoom abc circle puzzles worksheet, students view a circle puzzle for each letter of the alphabet, cut out the circle puzzle, cut the lines inside into pieces, and solve each puzzle with the same upper case and lower case...
Curated OER
Geometric Shapes: Square, Rectangle, Circle, Triangle
In this math learning exercise, students learn to recognize the square, rectangle, circle and triangle and discover the attributes of each. There are 15 pages available here.
Curated OER
Circle the Verb
In this grammar activity, students circle the appropriate verb in parentheses that makes twenty-five sentences grammatically correct.
Curated OER
Circle the Words From the Readings
In this reading comprehension worksheet, students read a paragraph. They circle pictures of items that are mentioned in the readings. There are four paragraphs on this worksheet.
Florida Center for Reading Research
Phonics: Letter Recognition, Clip-A-Letter
Young scholars show what they know about the alphabet. With two circles—one surrounded by capital letters and one with lowercase—pupils use clothespins to match letters, case to case or the opposite.
Curated OER
Waves
Although this was written to accompany a specific textbook, the information can illustrate wave motion for any advanced level physics course. The slides are simple, use plain but colorful fonts, and include diagrams and pictures to...
K12 Reader
Shapes on a Plane
Geometric shapes are the focus of a comprehension exercise that asks readers to examine a short passage about planes, circles, triangles, and rectangles, and then to respond to a series of questions about the article.
AJ Reynolds
Unit 5 Section 2: Measuring Angles
An interactive assignment displays two example angles to teach how to measure them. When you click on the angles, a protractor appears! As practice, learners view a set of angles, estimate the size of each, and then enter the degrees in...
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