Flex Learning Exam - 8th Grade

What is surface area?

• Inside of the object
• the sum of all theareas of all the shapes that cover the surface of the object.
• Something Mr. Strickland made up?
• Surface area is what you get when you boil unicorn tears. 

Tags

CCSS.7.G.B.6

Jesse needs to wrap the present shown below. How much wrapping paper would he need?
How much wrapping paper is needed?

• 300 in²
• 558 in²
• 327 in²
• 354 in²

Tags

CCSS.7.G.B.6

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

Tags

CCSS.7.G.B.4

Find the area of the circle. Leave in terms of π.

• 18π in²

• 9π in²

• 81π in²

Tags

CCSS.7.G.B.4

What two formulas can you use to find the circumference?

• C = π·d

• C = π·r²

• C = 2·π·r

• C = d²

Tags

TEKS.MATH.7.9B

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.7.G.B.4

Find the total surface area of the cylinder.

• 25.13 square cm
• 75.40 square cm
• 50.27 square cm
• 100.53 square cm

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

What is the surface area formula for a cylinder?

• SA = πrl + πr²
• SA = 2πrh + 2πr²
• SA = 4πr²
• SA = πr²h

Tags

CCSS.7.G.B.6

What is the formula used to find the volume of a rectangular prism?

• V = Lw
• V = Lwh
• V = 1/2bh
• V = 2∏r

Tags

CCSS.7.G.B.6

• 2 in³
• 1 in³
• 3 in³
• 4 in³

Tags

CCSS.5.MD.C.5B

CCSS.6.G.A.2