Add and Subtract Within 1,000 Grade 2 Google Slides

This set of interactive google slides will allow students to practice adding and subtracting within 1,000, using concrete 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. Also, students will understand that in adding or subtracting three-digit numbers, 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.(2.NBT.7)