12 questions
MUST DO: Elsie bought a circular rug that is 9 feet in diameter. What is the circumference of the rug rounded to the nearest tenth of a foot?
4.5 feet
14.1 feet
28.3 feet
56.5 feet
MUST DO: What is the approximate area of the circle above?
44 inches squared
154 inches squared
616 inches squared
MUST DO: The radius of a circle is 12 cm. What is the approximate circumference of the circle?
75 cm
38 cm
24 cm
MUST DO: The diameter of a circle is 8 cm. What is the approximate area of the circle?
25 cm squared
50 cm squared
201 cm squared
MUST DO: A flower pot has a circumference of 35 inches. What is the approximate length of the radius of the flower pot?
3.3 inches
5.6 inches
6.8 inches
11.1 inches
MAY DO: A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk?
377
2826
754
11,304
MAY DO: Sadie has 38 inches of fringe to sew around a circular pillow. What is the approximate diameter of the largest pillow she can use?
6 inches
9 inches
10 inches
12 inches
MAY DO: The circumference of a circle is 188 meters. What is the approximate radius of the circle?
128 meters
94 meters
60 meters
30 meters
ENRICHMENT: Rocky has a choice between 2 pizzas: a circular pizza with a 10-inch diameter, and a square pizza with a 9-inch side. Which statement below is true?
The pizzas have the same area.
The area of the square pizza is larger.
The area of the circular pizza is larger.
The area of the circular pizza is 100 square inches.
ENRICHMENT: A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24 cm. What is the approximate difference in the circumferences of the two circles?
19.5 cm
28.5 cm
61 cm
90 cm
ENRICHMENT: A farmer grows potatoes on a circular plot of land that has a radius of 20 meters. Each potato plant requires 2 square meters of soil. What is the maximum number of potato plants the farmer can grow?
80
628
1256
2512
ENRICHMENT: A circular table top has an area of 324 square inches. Which measurement is closest to the radius of the table top in inches?
10.2
18.0
56.5
103.1