Add and Subtract Multi-Digit Numbers Practice Test

A school library had $$3,508$$ books at the beginning of the year. During the year, they bought $$1,276$$ new books and removed $$847$$ damaged books. At the end of the year, they counted $$3,925$$ books. How many books were lost or stolen during the year?

Marcus is saving money for a bicycle that costs $$\485$$. He has already saved $$\127$$ and his grandmother gives him $$\95$$. His uncle gives him twice as much as his grandmother gave him. How much more money does Marcus need to buy the bicycle?