Percentages and Parts of Circles: A Fun Quiz for 6th Graders

A pizza is cut into 8 equal slices. If 3 slices are eaten, what percentage of the pizza is left?

• 50%

• 75%

• 62.5%

• 25%

A circular garden has a radius of 10 feet. If 25% of the garden is planted with flowers, what is the area of the flower section? (Use π = 3.14)

• 78.5 square feet

• 31.4 square feet

• 100 square feet

• 62.8 square feet

In a circular track, 60% of the track is covered with grass. If the total circumference of the track is 400 meters, how many meters are covered with grass?

• 100 meters

• 300 meters

• 160 meters

• 240 meters

A pie chart shows that 40% of students prefer chocolate ice cream. If there are 50 students in total, how many students prefer chocolate ice cream?

• 10

• 20

• 30

• 25

A circular swimming pool has a diameter of 20 meters. If 30% of the pool is shaded, what is the area of the shaded part? (Use π = 3.14)

• 75.4 square meters

• 120.5 square meters

• 60.8 square meters

• 94.2 square meters

A wheel has a circumference of 80 cm. If 25% of the wheel is painted red, how many centimeters of the wheel are painted red?

• 40 cm

• 30 cm

• 10 cm

• 20 cm

In a circular field, 15% of the area is used for parking. If the total area of the field is 2000 square meters, how much area is used for parking?

• 300 square meters

• 250 square meters

• 400 square meters

• 150 square meters

A circular cake is divided into 12 equal pieces. If 5 pieces are chocolate-flavored, what percentage of the cake is chocolate-flavored?

• 33.33%

• 41.67%

• 25%

• 50%

A circular clock has a radius of 6 inches. If 50% of the clock face is covered with a design, what is the area of the design? (Use π = 3.14)

• 12.56 square inches

• 78.54 square inches

• 56.52 square inches

• 30.24 square inches

A round table has a diameter of 1.2 meters. If 20% of the table is reserved for decorations, what is the area reserved for decorations? (Use π = 3.14)

• 0.15072 m²

• 0.37616 m²

• 0.5024 m²

• 0.22608 m²