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Splitting the Penstock
Students investigate the best way to calculate the measurements of an area. In this geometry instructional activity, students relate a large circle to a cylinder and its measurements. They use PVC pipes to gain hands on experience as...
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Finding Areas of Triangles, Rectangles, and Circles
Students find the areas of geometric shapes. In this geometry lesson plan students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by using formulas.
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Finding the Area Under A Curve with Random Probability
Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...
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Area of Triangle using the Semi-Perimeter and Radius
Learners investigate the properties of circles. In this geometry activity, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
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Geometric Probablitiy: Spinners and Dartboards
Sstudents explore and analyze the properties of geometric areas. In this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and contrast...
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Circles Area Perimeter and Circumference
In this circles worksheet, students calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
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Circles: Finding Circumference
In this circles activity, students find the circumference of 20 circles. Students find the circumference given the radius, diameter, and area of various circles.
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Circle Area, Perimeter and Circumference
In this area, perimeter, and circumference worksheet, students 7 questions that require them to fill in 7 blank circles with the information they are provided and calculate the desired answers.
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My Test Book: Area and Perimeter
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding area, perimeter, and circumference. Students may submit their answers to be scored.
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Circumference and Area
In this circumference and area worksheet, students find each for a set of 9 circles. A website reference for additional activities is given.
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Surface Area of Cylinder Worksheet
In this surface area worksheet, students are given either the diameter or radius and the height of 8 cylinders. They calculate the surface area.
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All About Circles Post Test
For this geometry worksheet, students answer ten multiple choice facts about circles. The questions include finding the diameter, area, and radius of a circle.
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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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Area of 2D Shapes
For this area worksheet, students commence solving for area of squares and rectangles, and continue to parallelograms and triangles, and continue again to rhombi and trapezoids and finish with circles, polygons, and shaded regions. There...
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Chords of a Circle
Teach how to differentiate between chords and perpendicular bisectors. In this geometry lesson, students relate the properties of chords and circle to solving right triangle. They define what makes two chords congruent in side a circle.
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Areas and Probabilities
For this area and probability worksheet, high schoolers solve 5 problems where they find the probability of an event occurring. They also use a given photograph of the moon's surface to find the area covered by craters and determine the...
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Equation of a Circle
Students write the equation of a circle. In this geometry lesson, students check the solution of a coordinate pair by evaluating them. They graph the circle given the equation and radius.
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Area Review
In this geometry worksheet, learners calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.
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Pushing Pivots
Students calculate the area and diameter length of a circle. In this geometry lesson, students investigate the use of pivots as they review parts of a circle. They create a circle using cardboard and label all the parts.
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Finding the Circumference and Area of a Circle
Sixth graders discover what circumference is. In this measurement lesson, 6th graders identify the radius and diameter of different circles. Students discover how to find the area of a circle using the radius and diameter.
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Three Tangent Circles
In this tangent circles instructional activity, students use pi to solve a problem involving tangent circles. This one-page instructional activity contains 1 problem. The answer is provided at the bottom of the page.
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Ara of Circles
Pupils identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.
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Measurement: Cylinders
Math scholars observe and demonstrate how to calculate the surface area and volume of cylinders. They analyze pictures of various cylinders on a handout, solve problems on two worksheets independently, and discuss the answers to the...
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Finding Area
Seventh graders explore the concept of area. In this area lesson, 7th graders determine what measurements are necessary to find the area of a rectangle and circle. Students use area formulas to calculate area or rectangles and circles.