Radius Teacher Resources
Find Radius educational ideas and activities
Showing 41 - 60 of 2,435 resources
The Cylinder Problem
In this calculus instructional activity, learners build a family of cylinders and explore the relationship between the dimensions of the generating rectangle and the resulting cylinders. They write the volumes of cylinders as a function of the radius and use derivatives to find the cylinder with the greatest volume, given a fixed perimeter.
11th - 12th Math 3 Views 10 Downloads
Circles, Circles, Everywhere! ID: 8429
Tenth graders explore circles. In this geometry lesson students investigate the relationships between the diameter and circumference of a circle and between the radius and area of a circle. The dynamic nature of TI-nspire provides opportunity for conjecture and verification.
10th Math 3 Views 8 Downloads
Sixth graders review the three parts of a circle: the radius, diameter and circumference. They practice calculating one of the parts given the other two dimensions and their relationship to one another. They use a spreadsheet program to check their chart work.
6th Math 3 Views 4 Downloads
The Giant Cookie Dilemma
Students explore the concept of area of circles and rings. In this area of circles and rings lesson, students use construction paper and scissors to aid finding the area of circles and rings. Students examine the effect halving a radius of a circle has on the area of the circle.
6th - 8th Math 3 Views 7 Downloads
Circumference Of A Circle
In this circumference learning exercise, learners determine the circumference of a circle when given the diameter or the radius. This three-page learning exercise contains 20 problems. This interactive learning exercise may be completed on-line or presented in printed form.
7th - 9th Math 19 Views 58 Downloads
Students explore properties of tangent lines. In this properties of tangent lines lesson plan, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius. Students use that relationship to determine unknown distances.
9th - 12th Math 3 Views 29 Downloads
Blowpop Rate of Change of Volume
Students explore the concept of rate of change. In this rate of change lesson plan, students record the rate of change of the radius of a blowpop as a students sucks on the blowpop. Students use derivatives to find the rate of change.
11th - 12th Math 3 Views 3 Downloads
Circles - Circumference
Eighth graders demonstrate an understanding of circles by finding relationships among the radius, diameter, and circumference. In this circles activity, 8th graders complete an Olympic Medal Count project where they discuss and determine information obtained from circles.
8th Math 3 Views 9 Downloads
Talking in Circles
Learners identify parts of the circle including center, radius, diameter, chord, and arc. In this circles lesson, students work in pairs to create circles on a geoboard. Learners then work in cooperative groups and use colored chips, chart paper, and Venn Diagram.
3rd - 5th Math 3 Views 20 Downloads
Radius and Diameter
In this calculating the radius and diameter worksheet, students observe two circles, one with the radius and calculate its diameter and one with the diameter and calculate its radius and then estimate their circumferences. Students solve 2 problems.
4th - 6th Math 3 Views 55 Downloads
Circle Problems - Radius, Diameter, Circumference and Area
In this online math worksheet, students determine the radius, circumference, diameter and area of circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
9th - 12th Math 8 Views 47 Downloads
Find the Radius of the Smallest Circle that Contains the Figure
For this geometry worksheet, students calculate the radius of the smallest possible circle that contains the figure provided. The complete solution is provided by clicking on the "show solution" button found below the problem.
9th - 10th Math 3 Views 0 Downloads
Area of a Circle When Radius is Given
Five problems provide practice for learners to find the area of a circle given the distance of the radius. Answers on the key use pi as a variable and do not include fully computed numeric answers. To reinforce basic multiplication facts for middle schoolers, I'd have them multiply the results completely.
5th - 8th Math 6 Views 103 Downloads