Area With Arrays

A model of a rectangular bulletin board is shown. The top row has been divided into squares of equal size. The rest of the model will be divided into squares of the same size. What is the area of square units represented by this model?

• 8 sq. units

• 15 sq. units

• 12 sq. units

• 16 sq. units

Marcia decided to tile her kitchen floor. What is the area of Marcia's kitchen floor?

• 5 sq. units

• 20 sq. units

• 15 sq. units

• 10 sq. units

The model represents the length and the with of a rectangular floor. What is the area of the floor in square feet?

• 45 square feet, because 5 x 9 = 45

• 54 square feet, because 6 x 9 = 54

• 48 square feet, because 6 x 8 = 48

• 28 square feet, because 9 + 5 + 9 + 5 = 28

What is the area of this rectangle in square units?

• 2 square units

• 4 square units

• 6 square units

• 8 square units

Find the area of the rectangle in square centimeters.

• 17 sq. cm.

• 40 sq. cm.

• 26 sq. cm.

• 60 sq. cm.

Which equation does not match the area model?

• 24 ÷ 8 = 3

• 24 ÷ 3 = 8

• 3 x 24 = 8

• 3 x 8 = 24

If I want to multiply 7 x 7, I could break it up into friendly facts that I know. Which area model correctly shows this?

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Calculate 36 ÷ 6 using an area model.

• 6

• 5

• 8

• 7

Imagine Ar'ley, Fariha, and Lucas are on a treasure hunt. They find a chest with 63 gold coins. They decide to split the coins equally among themselves using an area model. How many coins does each person get?

• 10

• 8

• 9

• 11

Calculate 48 ÷ 6 using an area model.

• 6

• 8

• 7

• 9