Don't circle around the topic, but get right to the center with tons of practice regarding circles in geometry. The note-incorporated activity provides guided practice through many topics such as central angles, inscribed polygons and...

A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 

Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on to learn the...

Middle and high schoolers listen to a scenario about a puppy and use the scenario to develop formulas in order to find the area of a circle. In this circumference activity, pupils understand how to find the radius, diameter, area of a...

A second installment in a series on circles, this production demonstrates the process of finding the area of a circle. As an introductory tool, it is effective. However, it does not explain the reasoning behind the formula because that...

Who knew that a party is all about the area. Individuals draw out a patio on grid paper while planning to host a party. Using colored paper to represent the total area of the patio, learners cut out furnishings to add to the patio,...

They say real estate is location, it might be more about area. Learners work individually and in groups to design subdivisions by dividing the land up into lots. Scholars design floor plans to fit on the lots along with including a park....

Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...

Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...

To solve or not to solve that is the problem. A slide presentation of 17 items show different ways that Smarter Balanced assesses Claim 2, problem solving. The items span from sixth and seventh grade concepts to highlight the...

Sometimes it's how you ask the question that counts. The sixth installment of nine from the Smarter Balanced Claim 1 Slideshow series presents a set of 13 questions to assess understanding of angle relationships as well as area and...

Dang, it's a word problem! Pupils address a variety of word problems that involve knowledge of proportions and geometric topics. The General Certificate of Secondary Education review problems require determining costs based on area...

Circle up the base. Using the formula for the volume of a cylinder, the presenter calculates the volume of a given cylinder. The video shows that the volume formula for a cylinder and the volume formula for a prism arrive at the same...

Work backwards if you dare. Scholars view a video to learn how to apply the area formula of a circle to solve problems. They watch an example where the focus is finding the radius of a circle given its area, requiring the use of inverse...

What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....

Circles, circles, everywhere! Pupils learn all about circles, central angles, inscribed angles, circle theorems, arc length, area of sectors, and radian measure using a set of 12 lessons. They then discover volume formulas through...

Short, but to the point, an informative resource does the job! A quick video lesson describes how to calculate the area of a semi-circle. Learners watch the video tutorial and then practice with the included practice problems.

It's the skill where fractions and circles must work together. A thorough lesson models the process of finding the area of a sector using a radius and angle. The narrator extends instruction to include finding a radius of a circle from a...

Composite figures—because everything isn't shaped like a rectangle, triangle, or circle. Learners practice separating compound shapes into something more manageable. A video shows them how to make the calculations, and worksheets give...

It's all about the portion size! Given a photo of a pumpkin pie, learners work to determine the number of calories that are missing. Supplemental information provides the angle of the piece that is missing as well as the nutritional...

Keep playing with those old toy cars! Pupils estimate the number of toy cars in an art installation. The only information they receive is a picture showing the toy cars arranged in concentric rings and the diameter of the overall...