This "Show It 4 Ways" sheet shows 4 different addition strategies students can use to solve problems. This is a great sheet to have on hand for students and parents.
Strategies include: drawing base-ten blocks, expanded notation/form, using a hundreds chart and using a number line.
You may also be interested in these related files:
Common Core Add and Subtract 2-Digit Numbers using Place Value
Common Core Addition Strategies for 2-Digit Numbers
Show It 4 Ways pages