7th Grade Review (Part 2)

The probability that Jill receives spam e-mail is 5%. If she receives 620 e-mails in a week, about how many of them can she expect to be spam?

• 310

• 21

• 124

• 31

The scale in a drawing is 2 in.:8 ft. On the drawing, a room is 3 1/2 inches long. What is the length in feet of the actual room?

• 8 ft

• 14 ft

• 28 ft

• 56 ft

Madison wants to wrap ribbon around the circular lid of a jar. The lid has a radius of 3 centimeters. How much ribbon does she need to wrap around the lid? Use 3.14 for π.

• A) 9.42 cm

• B) 28.26 cm

• C) 18.84 cm

• D) 113.04 cm

The circumference of the wheel on Sarah’s bicycle is 63 inches. What is the diameter of the bicycle wheel to the nearest inch? Use 3.14 for π. Round your answer to the nearest whole number.

• A) 12 in.

• B) 18 in.

• C) 20 in.

• D) 32 in.

What is the area of the figure?

• A) 38 ft²

• B) 39.5 ft²

• C) 96 ft²

• D) 51.5 ft²

A map has the scale of 1 in.:12 mi. On the map, Fayette County in West Tennessee is in the shape of a rectangle and is 2 inches by 2.5 inches. Find the actual area of Fayette County.

• A) 5 mi²

• B) 720 mi²

• C) 60 mi²

• D) 24 mi²

• 45°

• 50°

• 60°

• 85°

• 50°

• 85°

• 90°

• 95°

Find the surface area.

• 90 in²

• 110 in²

• 200 in²

• 220 in²

Find the volume.

• 90 in³

• 110 in³

• 200 in³

• 220 in³