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Curated OER
Area Of Circles
In this math worksheet, students complete 23 problems where they find the area of circles when the radius, diameter, or circumference is given. Examples are given in this well-designed worksheet.
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Area of Circle Worksheets
In this geometry activity, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive activity contains ten questions. Answers and hints are included.
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Circles Area Perimeter and Circumference
In this circles worksheet, learners calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
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Angle and Radian Measure
In this angle and radian measure learning exercise, students find the measurement of a central angle. Students determine the speed of rotation, linear speed of a point, and radians per second. This two-page learning exercise contains...
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Leveled Problem Solving Circumference of a Circle
In this geometry worksheet, 6th graders solve 6 word problems in which they find the circumference of items that are circles. They find the circumference of items such as a basketball hoop, a cereal bowl, and a circular frame.
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Light Beam
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
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Volume of Cylinders: Problem Solving
In this volume of cylinders worksheet, students solve 6 word problems related to the volume of various cylinders; students find volume, find height, solve reasoning problems and measure to given specifications.
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Geometry of Circles: Week 7
For this circle worksheet, students determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
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Perimeter
Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
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Infinite Secrets
High schoolers duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
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Black Holes and Tidal Forces
In this black holes and tidal forces learning exercise, students solve 5 problems in which they find the tidal acceleration and answer questions about spaghettification.
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Circle Packing
Students identify different parts and properties of circles. In this geometry lesson, students identify the radius, diameter, semicircle and inscribed angle of a circle. They identify the tangent lines to a circle.
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Connecting Area Formulas Produces a Beautiful Formula
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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Leveled Problem Solving Surface Area of Cylinders
In this surface area worksheet, 6th graders solve 6 word problems in which they find the surface area of cylinders. They use 3.14 for pi when calculating the area.
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Care Homework #1: Real Numbers
In this care homework worksheet, young scholars add, subtract, multiply and divide numbers with decimals. They solve problems involving mixed numbers. Students find the area and perimeter of triangles and rectangles. ...
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Chapter 6: Geometry Perimeter and Area
In this perimeter and area instructional activity, students find the perimeter of various polygons. They compute the perimeter, surface area, circumference, and volume of given figures. Students explore trigonometric...
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Surface Area of Cones
Students find the surface area of cones. In this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.
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Surface Area of Pyramids
Learners identify the surface area of pyramids and other polygons. In this geometry lesson, students find the different measurements for the different parts of a polygon. They use the surface area formula to solve for the surface area,
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Area, Perimeter Word Puzzle
Young scholars measure planes and solids. In this geometry lesson, students find the area and perimeter of different polygons.They complete a word puzzle to review their vocabulary words.
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Using Circumference
Students participate in a instructional activity that covers the concept of finding the circumference of a circle. The teacher covers relevant vocabulary with the students. They work in groups to measure objects and calculate the formula...
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Intro to Circles
Seventh graders participate in an investigation into the concept of a circle. Finding the definition of a circle and how they are used in the real world is discussed. Then students write their own real world examples of circles.
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Unit Circle Triangle
Students find the different ratios of a right triangle. In this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...
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Sir Cumference and the Dragon Pi
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
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Math Practice: Circles
In this circle activity, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.