A circle has a radius of 6 feet and a circumference of approximately 37.70 feet. Complete the sentence to describe how to estimate the value of 𝜋.
Move the correct answer to each box. Not all answers will be used.
To estimate the value of π, divide __________ by _______
Other Answer Choices:
12
37.70
6
Question 8
8.
Question 9
9.
Question 10
10.
Use the ruler provided to measure the radius of the circle to the nearest half centimeter.
Which measurement is closest to the area of the circle in square centimeters?
43.96 2 cm2
153.86 cm2
21.98 cm2
38.47 cm2
The diameter of circle X is 15 centimeters. The diameter of circle Y is 20 centimeters.
Which measurement is closest to the difference between the circumference of circle X and the circumference of circle Y in centimeters?
15.7 cm
137 cm
7.85 cm
31.4 cm
Maya has 120 caramel apples to sell. Each caramel apple is covered with one topping.
1/5 of the caramel apples are covered with peanuts.
1/3 are covered with chocolate chips.
3/10 are covered with coconut.
The rest are covered with sprinkles.
How many caramel apples are covered with sprinkles?
100
20
25
33
7.9B Readiness
A circular railroad-crossing sign has a diameter of 30 inches.
Which measurement is closest to the area of the sign in square inches?
7.11A Readiness
What is the solution to this equation?
3.512
12.6
6.032
2.52
7.6G Readiness
The dot plot shows the ages in years of some children at a park.
What percentage of the children are younger than 7 years old?
18%
73%
27%
60%
7.9C Readiness
Anthony drew a picture of the front view of a doghouse using two congruent triangles and a rectangle, as shown in the diagram.
What is the area of the picture of the doghouse in square inches?
7.7A Readiness
Question 15
Mr. Peterson plans to take dance lessons. He will pay a one‑time registration fee of $35 plus $12 per lesson.
Which equation can be used to find y, the total cost of x dance lessons?
y = 12(x + 35)
An observatory is shaped like a cylinder standing on one of its bases with a dome on top. The diameter of the floor of the observatory is 64 feet, as shown in the diagram.
Which measurement is closest to the circumference of the base of the observatory in feet?