Question

The Lupu Bridge in China is 12,795 ft long. The Hart Bridge in the USA is 3,845 ft long. About how much longer is the Lupu Bridge than the Hart Bridge? Round each length to the nearest thousand to find the answer.

Answer 1

You subtract the length of the Lupu Bridge by the length of thee Hart Bridge after you round them to the nearest thousandth and you get your final answer!
 12,795 -> 13,000
   3,845 -> 4,000
 13,000 - 4,000 = your answer