\(\begin{align}
6,532\\
\underline{-4,1\blacksquare3}\\
2,407
\end{align}\)

\(\begin{align}
\blacksquare08,665\\
\underline{-659,420}\\
149,245
\end{align}\)

\(\begin{align}
697,320\\
\underline{-432,\blacksquare 08}\\
264,712
\end{align}\)

Estimate Reasonableness How many more acres were grown in 1996 than in 1986? Estimate to check the reasonableness of your answer.

What is the difference between the greatest number of acres and the least number of acres used for growing oranges?

Workers at a paper company count the number of boxes of paper in the warehouse each month. In January, there were 106,341 boxes of paper. In February, there were 32,798 fewer boxes than there were in January. In March, there were 25,762 fewer boxes than there were in February. How many boxes were in the warehouse in March?

There are 135,663 kilometers of U.S. coastline that border the Pacific Ocean. There are 111,866 kilometers of U.S. coastline that border the Atlantic Ocean. How many more kilometers of U.S. coastline border the Pacific Ocean than the Atlantic Ocean? Solve the problem and show how to check your answer.