Review the 4 operations with this Presidents' Day mystery picture bundle containing original pictures of George Washington and Abraham Lincoln.This is the 4th grade version.Other versions: 1st grade, 2nd grade, 3rd grade, 5th gradeIf you want to buy this product but are not sure which grade to buy:- for grade 3, the easy level has multiplications up to 5, the hard level up to 9- for grade 4, the easy level has multiplications up to 9, the hard level up to 12- for grade 5 the easy level has multi