Circumference

To go from radius to diameter I need to do what?

• divide by 2
• multiply by 2
• multiply by 3.14
• divide by 3.14

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

To go from diameter to radius, what do I need to do?

• divide by 3.14
• multiply by 3.14
• multiply by 2
• divide by 2

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.4.MD.A.2

CCSS.4.OA.A.2

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

If my radius is 2 yd what is the circumference?

• 4 yd
• 1 yd
• 12.56 yd
• 6.28 yd

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GMD.A.1

If my diameter is 90cm, what is my circumference?

• 282.6cm
• 180 cm
• 90cm
• 565.2cm

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Tags

CCSS.7.G.B.4

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.4.G.A.1

The circumference of a circle is

• The measurement from an edge of a circle to another edge.
• The measurement around the circle
• The measurement from an edge of a circle to another edge going through the center
• The measurement from the center of the circle to an edge of the circle

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

CCSS.7.G.B.4