Are you sure you are teaching all of the different types of word problems that are required by the Common Core Standards? This file has over 240 addition and subtraction word problems. There are 13 different types of word problems, including:-Add to (result unknown, change unknown)-Take from (result unknown, change unknown)-Put together/take apart (total unknown, addend unknown, both addends unknown)-Compare ("more" version for difference unknown, bigger unknown)-Compare ("fewer" version for d