1. Surface Area and Volume Activity
7th Grade Math

2. What formula would you use to find the surface area of a cylinder?
Answer: SA = 2rh + 2r2

3. What formula would you use to find the volume of a pyramid?
Answer: Volume = Bh
where B is the area of the base.

4. What formula would you use to find the circumference of a circle?
Answer: C = 2r or C = d

5. Find the area of the circle. Use 3.14 for .
Answer: The area of ⊙A is approximately 78.5 cm2.

6. Find the volume of the cylinder. Use 3.14 for .
Answer: The volume of the cylinder is about 1,004.8 cubic meters.

7. The dimensions of a shipping container are given.
Find the surface area of the container.
Answer: The surface area of the shipping container is 52 square feet.

8. Natalya walked with her friend around a circular track. The
radius of the track was 30
meters. Find the approximate
distance they walked when they
went around the track TWICE.
Use 3.14 for .
Answer: The distance around the track twice is about meters.

9. Find the volume of the prism.
Answer: The volume of the prism is 68.4 cubic meters.

10. Find the surface area of the cylinder. Use 3.14 for .
Answer: The surface area of the cylinder is about square inches. .

11. Find the volume of the cone. Use 3.14 for .
Answer: The volume of the cone is about cm3.

12. A small cake has a radius of 5 inches and is 3 inches tall.
The cake is cut into four
equal-sized slices. What is
the volume of one slice of
cake? Use 3.14 for .
Answer: Each slice has a volume of about cm3.