3rd grade; Multiple step problemTexas TEKS3.3B: select addition or subtraction and use the operation to solve problems involving whole numbers through 999 [readiness standard]3.14C select or develop an appropriate problem-solving plan or strategy, including drawing a picture, looking for a pattern, systematic guessing and checking, acting it out, making a table, working a simpler problem, or working backwards Common Core3.NBT.2: Fluently add and subtract within 1000 using strategies and algorithmsbased on place value, properties of operations, and/or the relationshipbetween addition and subtraction. Jose and his family are moving to a new house. There is a lot of packing to do and Jose’s Dad decided to pack up the 400 books in their library. On Monday he packs 222 books and on Tuesday he packs 148 books. He decides to pack half of the remaining books on Wednesday and the remaining half on Thursday. How many books did he pack on Thursday?