Circumference
A circle with a Diameter of 10 cm, has a circumference of ?
31.4 cm
What is the area of a circle with a radius of 10meters?
314 meters?
What do we divide to find the unit rate of proportional numbers?
x / y or y / x
y / x
Which is the smallest integer?
5, 0, 10, -10 , 6
-10
If the diameter is 25, what is the radius?
12.5
A flowerpot has a circular base with a diameter of 27 centimeters. Find the circumference of the base of the flowerpot. Round to the nearest hundredth.
84.78in
Which equations represents the area for a circle with a radius of 5in?
a = 5π
b = 10π
c = 100π
d = 25π
d= 25π
20 apartments on 4 floors = _____ per floor
5 apartments
What is the sum of any number and its opposite?
zero
If a circle has a Radius of 3, what is the diameter?
6
A circle with a radius of 7 feet, has a circumference of ?
43.96 feet
What is the area of a circle with a diameter of 8meters?
50.24 meters
A student works at the Rec Center and makes $100 in 5 hours. What is the unit rate of pay per hour?
$20 per hour
If it is 5º outside and the temperature will drop 17º in the next six hours, how cold will it get?
5 - 17
-12º
How do you convert a Radius to a Diameter?
Radius X two = 2(r)
A dinner plate has 25.12 inches of metal around it’s edge (see picture). What is the Diameter of the plate?
D = 8
a construction workers is digging a hole in the ground. The hole has a diameter of 12 meters wide. What is the area of the hole?
113.04 meters
Walmart sells 5 bags of takis for $10 and The school store sells 7 bags for $12.25. What is the Unit Rate for each store?
Walmart - $2 per bag
School Store - $1.75 per bag
Josie has $-47 left on her checking account. If she writes a check for $55, what will Josie’s balance be?
-47 + 55 =
$8
When given the circumference, what can we do you find the diameter?
Circumference x 3.14
Circumference ÷ 3.14
Circumference ÷ Radius
Circumference X Radius
Circumference ÷ 3.14
A bicycle wheel has a circumference of 28.26 inches. What is the radius of the wheel?
4.5 inches
If the area of a circle is 314 feet, what is the radius?
5 feet
Jon runs 1/2 of a mile in 1/5 of an hour. How far can Jon run in 1 hour? (Mile per hour)
2.5 miles or 2 and 1/2 miles
A scuba diver swam 96 feet beneath the surface of the lake. He then climbs up 49 feet. What is his depth now?
- 47 feet
A circle has a diameter of 10 feet. What is the area of the circle?
R= 5
RxR = 25
25 x 3.14
78.5 Ft