Home > CC1 > Chapter 7 > Lesson 7.2.1 > Problem7-48

7-48.

For each of the generic rectangles below:

• Write the two numbers that are being multiplied. (They are the length and width of the rectangle.)

• Predict the size of the product before calculating and be ready to explain your thinking.

• Copy the rectangle on your paper and use it to multiply the given numbers.

• Compare the exact answer with your prediction. How close did you get? Homework Help ✎

1.  $2$ $+\ \frac{1}{3}$ $3$ $\$$\$$\$$\$

Find the area of each part of the rectangle.

The rectangle has been completed for you.
Find the total area of the rectangle.

 $2$ $+\ \frac{1}{3}$ $3$ $\$$\\ \\ \color{red}6 \\ \\$$\$$\$ $\\ \\ \color{red}1 \\ \\ \\$

1.  $2$ $+0.1$ $+0.35$

Before you copy the rectangle, estimate the size of the product.

Some of the rectangle has been completed for you.
Fill in the rest yourself to find the product.

 $2$ $+0.1$ $+0.35$ $\color{red}{0.7}$