Surface Area

What is the area of this figure?

• 40 square units

• 40 units

• 40

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Fraction of shaded area

• 2/3

• 3/5

• 2/3

Tags

CCSS.3.G.A.2

A total of 8 students decorated the front surface of 2 different bulletin boards. One in the computer lab and one in the library.

The computer lab bulletin board has 4 sides and 4 right angles and is 10 feet long and 9 feet tall.

The library bulletin board is divided into 6 equal parts, as shown below, and is shaded to show the fraction of the front surface the students finish decorating on Tuesday.

What is the area, in square feet, of the front surface of the computer lab bulletin board?

• 19

• 36

• 76

• 90

• 94

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A total of 8 students decorated the front surface of 2 different bulletin boards. One in the computer lab and one in the library. The computer lab bulletin board has 4 sides and 4 right angles and is 10 feet long and 9 feet tall. The library bulletin board is divided into 6 equal parts, as shown below, and is shaded to show the fraction of the front surface the students finish decorating on Tuesday. Select the word below that must describe the shape of the front surface of the computer lab bulletin board.

• square

• rectangle

• circle

• rhombus

Tags

CCSS.5.G.B.4

Is surface area.......

• Filling in a 3 dimensional shape

• wrapping the outside of a 3 dimensional shape

Surface area is.......

• Filling in a 3 dimensional shape

• wrapping the outside of a 3 dimensional shape

Answer explanation

Surface area refers to the total area that covers the outside of a 3-dimensional shape. It is not about filling the shape, but rather measuring the outer layer.

A total of 8 students decorated the front surface of 2 different bulletin boards. One in the computer lab and one in the library. The computer lab bulletin board has 4 sides and 4 right angles and is 10 feet long and 9 feet tall. The library bulletin board is divided into 6 equal parts, as shown below, and is shaded to show the fraction of the front surface the students finish decorating on Tuesday. What fraction of the front surface of the library bulletin board did the students finish decorating on Tuesday?

• 2/6

• 1/4

• 1/6

• 2/5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

A total of 8 students decorated the front surface of 2 different bulletin boards. One in the computer lab and one in the library. The computer lab bulletin board has 4 sides and 4 right angles and is 10 feet long and 9 feet tall. The library bulletin board is divided into 6 equal parts, as shown below, and is shaded to show the fraction of the front surface the students finish decorating on Tuesday. Each student decorated one or the other of the bulletin boards. More students decorated the computer lab bulletin board than the library bulletin board. Which of the following numbers could be the fraction of students who decorated the computer lab bulletin board?

• 1/3

• 1/5

• 4/8

• 4/5

• 5/8

Tags

CCSS.4.NF.A.2

What is the area of this rectangle?

• 13 sq km

• 36 sq cm

• 36 sq km

• 45 sq km

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of this rectangle?

• 20 square units

• 24 square units

• 24 units

• 20 units

Tags

CCSS.3.MD.C.6