CPM Homework Help : CC1 Problem 7-48

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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?

Generic Rectangle
top edge left $2$
top edge right $+\ \frac{1}{3}$
left edge $3 \$
$\$
$\$ interior left, blank
$\$
$\$
interior right, blank
Hint (a):
Find the area of each part of the rectangle.
Partial Answer (a):
The rectangle has been completed for you.
Find the total area of the rectangle.
Generic Rectangle
top edge left $2$
top edge right $+\ \frac{1}{3}$
left edge $3 \$
$\space$
interior left $\\ \\ \color{red}6 \\ \\$ $\$ $\$
$\space$
interior right $\\ \\ \color{red}1 \\ \\ \\$

Generic Rectangle
topedge left $2$
top edge right $+0.1$
left edge $+0.35 \$
$\$
$\$ interior left, blank
$\$
$\$
interior right, blank
Hint (b):
Before you copy the rectangle, estimate the size of the product.
Partial Answer (b):
Some of the rectangle has been completed for you.
Fill in the rest yourself to find the product.
Generic Rectangle
top edge left $2$
top edge right $+0.1$
left edge $+0.35 \$
$\space$
interior left $\color{red}{0.7}$
$\space$
interior right blank

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