Open Up Grade 7 Unit 3 Post Test

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

Tags

CCSS.HSG.C.A.2

Find the area of the circle.  Use Use A=πr² 
Pi = 3.14

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
use C=2πr

• c = 15π
• C = 2π15
• c = 15 ÷ π
• c = 15 π

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?   Use C=2πr
Pi = 3.14

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

Tags

CCSS.7.G.B.4

_{What is the diameter?}

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18
• 10
• 9
• 8

Tags

CCSS.7.G.B.4

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4

For a relationship to be proportional, the graphed line must go through or touch the...

• x-axis
• Orangutan
• Origin
• y-axis

Tags

CCSS.7.RP.A.2D

For a relationship to be proportional, the graphed line must be...

• Circular
• Curvey
• Straight
• Make a right angle

Tags

CCSS.8.EE.B.5

What is the Constant of Proportionality?

• k=46
• k=92
• k=0.2
• not proportional

Tags

CCSS.8.EE.B.5