Curated OER
Sixth Grade Measurement
In this measurement worksheet, 6th graders find the area, perimeter, radius, diameter and circumference of many different shapes. Students complete 15 problems.
Curated OER
Sixth Grade Word Problem
For this math word problem worksheet, 6th graders complete problems about the length and radius of certain shapes. Students complete 15 problems.
Curated OER
Calculate the Radius
In this radius worksheet, students calculate the radius of a circle when the area is given to them. Students complete 5 problems total.
Curated OER
Perimeter of a Cirlce
For this perimeter of a circle worksheet, students calculate the perimeter of a circle where either the radius or area is already given. Students complete 6 problems.
Curated OER
Radius, Diameter and Circumference
In this circle worksheet, students use a drawing of a circle. The diameter is given. Students find the radius, circumference and area of the circle. On the second problem, students are shown a circle with a hole inside it. They compute...
Curated OER
Vectors
In this vectors worksheet, students solve and complete 6 various types of problems. First, they find an equation of a sphere with a given center point and endpoint of a radius at the point. Then, students find the scalar and vector...
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Vectors
In this vectors worksheet, students solve and complete 6 various types of problems. First, they find two unit vectors that are parallel to the given vector and illustrate. Then, students find parametric equations for the line that passes...
Curated OER
Expressions and Operations
In this expressions and operations worksheet, learners solve and complete 5 different problems that include identifying expressions and using the order of operations. First, they determine the value of a given expression and its...
Curated OER
Expressions and Operations
In this expressions and operations worksheet, students solve and complete 5 different problems that include reading and solving each individual question. First, they determine the value of each equation given the variables. Then,...
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Graphs of Circles
In this graphs of circles worksheet, 10th graders solve 10 different problems that include the graphs of circles with various measurements. First, they write the equation of a circle whose diameter is a given number and whose center is...
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Area Of A Circle
Fifth graders experience a lesson to investigate the methods for finding the area of a circle. They use the drawing of segments in order to visualize how a circle can be proposed of many parts. Then students brainstorm in order to derive...
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Heat Transfer
In this heat transfer activity, students observe photographs of the various ways heat is transferred. Included is a radiator giving off heat that rises and cools as it settles, the sun radiating heat to the earth and a house absorbing heat.
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Basketball Measurements
In this basketball court measurements activity, students complete16 various types of problems using the illustrated basketball court at the bottom of the sheet. They find the diameter and radius of the smaller jump circle on the court....
Curated OER
Pi as a Ratio
Eighth graders measure the circumference and the diameter of circular objects and record the measured values of the circumference and the diameter in a table. They then record their measurements in centimeters and use their data to...
Curated OER
Math: The Bone connection
Students examine the connection between bones of the human body and math. In groups, they locate bones and determine which instruments are used for measuring. Students organize their findings and create spreadsheets for calculating and...
TeachEngineering
Teach Engineering: How Far Does the Robot Go?
Students practice their multiplication skills using robots with wheels built from LEGO MINDSTORMS NXT kits. They brainstorm distance travelled by the robots without physically measuring distance and then apply their math skills to...
PBS
Pbs Learning Media: Tricking Hacker
In this video segment from Cyberchase, the CyberSquad must reclaim the Totally Rad Ring by measuring its radius to create a perfect duplicate.
National Council of Teachers of Mathematics
Nctm: Illuminations: Circle Area
Explore what the relationship the radius has to the area of a circle. Click the instructions to learn how to use this interactive resource and select"Exploration" for more ideas.
Mathigon
Mathigon: Geometry: Circle and Pi: Introduction
This lesson focuses on the characteristics of a circle including similarity, radius, circumference, and Pi. It provides formulas to determine the area of a circle, calculating Pi, and learning exercises throughout.
CK-12 Foundation
Ck 12: Interactive Geometry: 1.8 Circles
Understand circles and their measurement applications.
Purple Math
Purplemath: The Unit Circle
Relates the unit circle to the method for finding trig ratios in any of the four quadrants. Demonstrates how the unit circle might be useful.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Radius
Find a quick, concise explanation of what a radius is. An example is given and clearly explained.