Middle Grades Mathematics 5–9

Question 24 of 29

DIRECTIONS: Read the question and select the best response.

A teacher is going to develop the concept of squaring a binomial expression. Which of the following models would be the most appropriate to use?

Choose an answer

a drawing of a rectangle, followed by a plus sign, followed by a rectangle. Both rectangles have dimensions of height equal to "a" and width equal to "b."
a drawing of a rectangle, followed by a multiplication sign, followed by a rectangle. Both rectangles have dimensions of height equal to "a" and width equal to "b."
a drawing of one square partitioned into 4 inner quadrilaterals, by means of a single interior vertical line and a single interior horizontal line. In the upper left is a big square, and in the lower left is a small square. The outer square is labeled with a height of "a plus b" and a width of "a plus b."
a drawing of a rectangle, followed by a multiplication sign, followed by a second rectangle, followed by a plus sign, followed by a square. Both rectangles have dimensions of height equal to "a" and width equal to "b." The square has sides equal to "b."

Enter to expand or collapse answer.Answer expanded: Correct Response: C.