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Common Core for Grade 7

Common Core for Mathematics

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 7

Examples, solutions, worksheets, videos, and lessons to help Grade 7 students know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

Common Core: 7.G.4

- I can state the formula for area and circumference of a circle.
- I can use the formula for the area of a circle to solve problems.
- I use the formula for the circumference of a circle to solve problems.
- I can identify or produce a logical conclusion about the relationship between the circumference and area of a circle (e.g., given three circles with the areas A1>A2>A3, the circumferences satisfy C1>C2>C3).
- I can write my solutions in terms of pi(π), decimals, and fractions.

Know and use the formulas for area and circumference of a circle (Common Core 7.G.4)

**Circle: Area and Circumference (7.G.4)**

What is pi?

Rule: The ratio of a circle’s circumference to it’s diameter is always the same number.

Circumference Formula

Area Formula

In this video, students will learn to find the area of a circle using the formula. This video relates to Common Core Standard 7.G.4. Students learn about pi, the radius, square numbers and the procedure for finding the area of a circle.

**Circumference of a circle: Finding diameter and area given the circumference**

**Find circumference given area**

**Circles Radius Diameter & Pi** Learn circumference, radius, pi and more through music.

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