Use the model to find 2 × 137.

\(\begin{aligned}
190\\
\underline{\times\ \ 3}\\
\end{aligned}\)

\(\begin{aligned}
471\\
\underline{\times\ \ \ \ \ 4}\\
\end{aligned}\)

\(\begin{aligned}
3,439\\
\underline{\times\ \ \ \ \ \ \ 7}\\
\end{aligned}\)

\(\begin{aligned}
$53\\
\underline{\times\ \ \ \ \ 4}\\
\end{aligned}\)

\(\begin{aligned}
$473\\
\underline{\times\ \ \ \ \ 9}\\
\end{aligned}\)

\(\begin{aligned}
608\\
\underline{\times\ \ \ \ \ 6}\\
\end{aligned}\)

2 × 78 =

2 × $210

9 x $682 =

8 x 8,145 =

\(\begin{aligned}
\blacksquare5\\
\underline{\times\ \ \ 7}\\
455
\end{aligned}\)

\(\begin{aligned}
248\\
\underline{\times\ \ \ \ \ 3}\\
\blacksquare44\\
\end{aligned}\)

\(\begin{aligned}
$395\\
\underline{\times\ \ \ \ \ \ \blacksquare}\\
$2,370\\
\end{aligned}\)

\(\begin{aligned}
3,748\\
\underline{\times\ \ \ \ \ \ \ \ \ 4}\\
1\blacksquare,992\\
\end{aligned}\)

A store bought 9 cases of light bulbs in May and 8 cases in June. There are 48 light bulbs in a case. How many light bulbs did the store buy in May and June?

Mr. Wilson saved $2,500 to buy airline tickets for his family. He bought 6 airline tickets for $372 each. How much of his savings does Mr. Wilson have after he buys the tickets?

Coach Ramirez bought 8 cases of bottled water for a road race. There are 24 bottles in each case. After the race, 34 bottles of water were left. How many bottles were used at the race? Explain.