The Circle

Circumference of a Circle

By Jonesa Montgomery

Most Missed Questions (MMQ)

Multiple Choice

A store has 60 articles of clothing. If $$\frac{1}{3}$$

of the articles of clothing are tops,  $$\frac{1}{4}$$  of the articles of clothing are skirts, and the rest of the articles of clothing are pants, which statement is true?

• The store has 5 more tops than pants

• The store has 10 more skirts than pants

• The store has 15 tops

• The store has 25 pairs of pants

Multiple Choice

Aiden and his two friends ordered a pizza with 12 slices. Together they ate $$\frac{2}{3}$$

of the pizza.  If they evenly divided what was left, how many slices would each of them receive?

• $$\frac{1}{3}$$  slice

• $$1\frac{1}{3}$$  slice

• 4 slices

• 8 slices

Multiple Choice

Which graph is non-proportional?

• A

• B

• C

• D

Multiple Choice

Kelly went to a store to purchase a coffee pot should we use a coupon for 20% off. She can calculate the cost before tax using the following expression, where c represents original cost of the coffee pot.

c-0.2c

 Which other expression could Kelly use to calculate her cost before sales tax?

• 0.8c

• 1.2c

• 1.8c

• 80c

Multiple Choice

Simplify

• $$\frac{5}{10}a+\frac{2}{12}b$$

• $$a+\frac{1}{3}b$$

• $$\frac{7}{22}ab$$

• $$\frac{6}{5}a+\frac{2}{6}b$$

Multiple Choice

Simplify

• $$\frac{3}{18}xy$$

• $$\frac{3}{5}x+y$$

• $$\frac{7}{10}x-\frac{1}{2}y$$

• $$\frac{9}{10}x-\frac{1}{2}y$$

Multiple Choice

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Multiple Choice

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Multiple Choice

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Multiple Choice

A circle has a diameter of 17 inches. What is the circumference?

• 106.76 inches

• 53.38 inches

• 907.46 inches

• 34 inches

Multiple Choice

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

• 20ft

• 5ft

• 31.4ft

• 62.8ft

Multiple Choice

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in