This handy Math in Focus Grade 4 Workbook Answer Key Chapter 11 Squares and Rectangles detailed solutions for the textbook questions.

## Math in Focus Grade 4 Chapter 11 Answer Key Squares and Rectangles

**Math Journal**

Figure ABCD is a rectangle. Complete each statement. Use the words in the box.

Question 1.

A rectangle has ___________ ___________

Answer:

A rectangle has **four sides**.

Question 2.

Its _______________ sides are ____________

Answer:

Its **opposite** sides are **parallel**.

Question 3.

Its ____________ sides are ____________

Answer:

Its **opposite** sides are **of equal length**.

Question 4.

It has ____________ ____________ angles.

Answer:

It has **four right** angles.

**Put On Your Thinking Cap!**

**Challenging Practice**

Question 1.

The figure is made up of two squares, one with 10-inch sides and the other with 6-inch sides. Find QR.

QR = ___________ in.

Answer:

In the above image we can observe QS = 10 inches and RS = 6 inches

QR = QS – RS

= 10 – 6

= 4 inches

**QR = 4 inches**

Question 2.

The figure is made up of three identical squares with 3-inch sides. Find the total length of \(\overline{B C}\) and \(\overline{F G}\) .

BC + FG = ____________ in.

Answer:

BC + FG = AH – CF

= 6 – 3

= 3

**BC + FG = 3 inches**

**Put On Your Thinking Cap!**

**Problem Solving**

Question 1.

Look at the figure. What is the least number of squares that must be added to make a rectangle?

Answer:

To make rectangle we need to add 5 squares to the above figure.

Question 2.

Draw line segments to divide the figure into three rectangles in three ways.

Answer:

Question 3.

Cut out the shaded rectangles and squares. Arrange them to fit inside rectangle A without overlapping. Then attach them with tape.

Answer: