⭐️This 2nd grade math unit takes decomposing to add within 1,000 to a whole new level. 2nd grade students will break down strategies that focus on decomposing, such as adding three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and one, and sometimes the necessary strategy to compose or decompose tens or hundreds. With this complete and comprehensive unit, students will master how to add within 1,000 by decomposing to build strong number sense and a firm grasp on