Common Core · Grade 7
7.G.B.4
Grade 7 — Know and use the formulas for the area and circumference of a circle, and relate them to each other.
The skill that covers it
What a student should be able to do
- Convert between radius and diameter.
- Compute circumference and area of a circle.
- Find an arc length and a sector area.
- Work backwards from circumference or area to the radius.