A road construction company plans to build 9,310 miles of roads this year. So far, they have built 6,908 miles of roads. How many miles of roads are still left to be built? *Choose a reasonable estimate.*

A public library bought 6,459 books with the money they received as donations. Now the library has 7,427 books. How many books did the library have before the donations? *Choose a reasonable estimate.*

There are 2,243 people at a violin performance. 1,431 leave before the performance ends. How many people are still at the performance? *Choose a reasonable estimate.*

A small jungle had 8,091 pine trees, but 7,929 were lost in a wild fire. How many pine trees does the jungle have now? *Choose a reasonable estimate.*

Oprah has a total of 7,708 coins and beads in her souvenir store. If she has 7,128 coins, how many beads does Oprah have in the store? *Choose a reasonable estimate.*

Sonia and Carla work together at a busy sandwich shop. Together, they made 7,675 ham sandwiches last month. If 2,336 ham sandwiches were made by Carla, how many did Sonia make? *Choose a reasonable estimate.*

Aadil has a large collection of 5,419 marbles. He sold 4,417 marbles. How many marbles does Aadil have left now? *Choose a reasonable estimate.*

Deming had 6,842 postage stamps in his collection before 6,286 were lost. How many postage stamps does he have now? *Choose a reasonable estimate.*

Peng plans to plant 9,980 plants in his farm. So far, he has planted 9,586 plants. How many more plants does Peng need to plant to reach his goal? *Choose a reasonable estimate.*

A cafeteria has 9,357 cartons of lemonade at the beginning of the month. At the end of the month, 8,797 were sold. How many are left? *Choose a reasonable estimate.*