Teacher Worksheets

Free 2.NBT.B.7 Common Core PDF Math Worksheets

Add and subtract within 1000 using models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.