Radius Teacher Resources
Find Radius educational ideas and activities
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SAT Prep: Test 3 Section 2 Part 3
Math speeds along in this video, which takes students through problems 11-15 on the practice SAT. Sal takes care to show students more than one possible way to solve several problems, allowing them to make the choice based on their own comfort level.
10 mins 9th - 12th Math 3 Views 0 Downloads
SAT Prep: Test 3 Section 8 Part 2
Problems 7-9 involve exponents, inequalities, and geometric figures (diameter and radius), all of which Sal explores eagerly. After misreading one problem, he takes care to correct his mistake, showing students how important it is to check your reading during any test.
9 mins 9th - 12th Math 3 Views 0 Downloads
Students blow bubbles. In this measurement instructional activity, students learn how to find circumference, diameter and radius. Students blow bubbles into a dark piece of paper so it pops and leaves a bubble print. Students measure the prints and discuss their findings.
3rd - 4th Math 6 Views 2 Downloads
In this exploring circles worksheet, 10th graders solve 155 various types of problems that include exploring circles. First, they determine the circumference of a circle with a radius of the given length. Then, students create circle graphs with the given information.
10th Math 7 Views 9 Downloads
Making Hay While the Sun Shines & Not Losing It in the Rain
Students explore the concept of volume. In this volume lesson, students use their Ti-Nspire to determine the volume of hay bales. Students use diameters and radii to determine the volume of hay bales as the radius increases.
9th - 12th Math 3 Views 1 Download
Length of an Arc and Area of a Sector
In this length of an arc and area of a sector worksheet, 10th graders solve and complete 12 different types of problems. First, they find the length of an arc in a circle with a given radius and central angle measure. Then, students find the area of a sector in a circle of a given radius and central angle measure.
10th Math 4 Views 66 Downloads
NUMB3RS Activity: Meltdown
Students investigate the relationship between the radius and area of circles that change size over time. They identify and interpret the puddle at a crime scene, that it is certain to be irregularly shaped and the floor would be neither smooth nor level.
9th - 12th Math 5 Views 18 Downloads
Volume and Surface Area
In this volume and surface area worksheet, 10th graders solve and complete 12 different types of problems. First, they find the volume and total surface area of a given circle. Then, students find the height and radius of a cylinder illustrated.
10th Math 16 Views 38 Downloads
Measuring the Speed of a Solar Tsunami!
In this solar tsunami worksheet, students are given three images of the progress of a Morton Wave on the sun. They solve six problems using the images to find the radius of the sun's disk, the scale of the image, and the time that passed between each given image.
9th - 11th Math 3 Views 10 Downloads
Math 7/8 Review for Formulas, Area, Surface Area, and Volume
In this area, surface area, and volume worksheet, students solve 19 short answer problems. Students find the area of two dimensional polygons and circles. Students find the surface area and volume of prisms and pyramids.
9th - 12th Math 50 Views 247 Downloads
Match The Graph Circles
High Schoolers engage in a study of circles and graphs that are related with the focus upon finding the center and radius. The lesson includes the suggestion of giving homework using circle problems before this one to create background knowledge.
9th - 12th Math 3 Views 1 Download CCSS: Designed
Area Of A Circle
Students investigate the concept of area and how it can be applied to a circle. They use the right formula in order to solve different problems. The teacher leads the class through different examples and serves as a resource during independent practice.
8th - 12th Math 4 Views 16 Downloads
Circles - Practice 16.7
In this circles worksheet, students label parts of a circle that are given. They choose from center, radius, diameter or chord. Students then draw a circle and draw the given parts on their circle. The worksheet ends with a test prep section where they are given a multiple choice question and a story problem.
5th - 8th Math 3 Views 37 Downloads
Properties of Circles
Students study the properties of circles. In this circles lesson, students read a word problem about circles. Students watch a video about the activity and then practice drawing the circle solution to the problem. Students watch another video segment and discuss the methods in the video.
3rd - 5th Math 5 Views 22 Downloads
Small Angle Calculations
Students work with circles, angles and estimating angles in the night sky. In this circles and angles lesson, students practice measuring a degree using the circumference of a circle and apply the degree to determine a way to use their hands take measurements.
4th - 7th Math 4 Views 26 Downloads
How Do You Find the Volume of a Sphere?
The formula for the volume of a sphere is volume equals four-thirds pi times the radius cubed. That's a mouth-full. But if you are given the radius value of the sphere, all you have to do is plug it in and do the arithmetic. Just remember to use the order of operations.
5 mins 8th - 11th Math 3 Views 0 Downloads