This 17 page document includes 8 worksheets which ask students to draw tens and ones to add a 2-digit number and a multiple of ten or two multiples of ten, a title page and an answer key for each page. They could be used as practice in the classroom, as assessments, or as homework. They will use the strategies based on place value to solve the addition equations. The addition equations do not require regrouping.
These worksheets were created to meet the first grade common core standards. They could be used in second grade for review or in kindergarten for advanced students.
Common Core Standards -
1.NBT.4- Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.