Illustrative Mathematics
Illustrative Mathematics: 7.g Designs
In this lesson plan, 7th graders use the formula for circles to determine the area and perimeter.
Illustrative Mathematics
Illustrative Mathematics: 7.g Stained Glass
In this lesson plan, 7th graders use formulas for area and circumference to solve the word problem.
Illustrative Mathematics
Illustrative Mathematics: 7.g Eight Circles
In this lesson plan, 7th graders use their knowledge of formulas to determine the area and circumference of a circle.
Illustrative Mathematics
Illustrative Mathematics: 7.g,rp Measuring the Area of a Circle
In this lesson plan, 7th graders answer word problems to determine the area of a circle.
Khan Academy
Khan Academy: Area of a Circle
Find the area of a circle given its radius, diameter, or circumference. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Area and Parts of Circles
Practice finding the area or circumference of part of a circle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.