Question

5 a card is in the shape of the rectangle shown. each unit square is 1 square inch. which is the area of the card? a 12 square inches b 7 square inches c 4 square inches d 3 square inches 6 binh uses unit squares to measure the area of a playground. each unit square is 1 square foot. what is the area of the playground? spiral review 7 write the unknown factor. 9×3 = □×9 8 mia measures a bicycle, which is equal to the length of 3 sticks. each stick is 2 feet long. how long is mias bicycle?

Explanation:

Step1: Count rows and columns

The card - shaped rectangle has 3 rows and 4 columns of unit squares.

Step2: Use area formula

The area $A$ of a rectangle is $A = \text{number of rows}\times\text{number of columns}$. Here, $A=3\times4$.

Step3: Calculate the area

$3\times4 = 12$.

Answer:

A. 12 square inches