Circles, Pi

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

The diameter is always _______ times as long as the radius. 

• three

• two 

• 3.14 

• 100

Tags

CCSS.HSG.CO.A.1

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18

• 10

• 9

• 8

Tags

CCSS.7.G.B.4

What is the diameter of the circle?

• 5 in

• 10 in

• 3.14 in

• 15.84 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

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

The distance around a circle:

• Diameter

• Radius

• Circumference

• Area

Name the circle

• A

• B

• C

• D

3.14  is the number "pi"  rounded off to the ____________ place.  

• hundredths

• tenths 

• thousandths

Tags

CCSS.5.NBT.A.4