These First Grade addition worksheets are a perfect supplement for lessons in addition, numbers through 20. They are designed to support Common Core objectives. All worksheets include objects to count at the top and a number line at the bottom.
This pdf contains 11 worksheets in black and white, one for each number 10 through 20 (see images).
These worksheets support Common Core State Standards: 1.OA.C.5, 1.OA.C.6, 1.OA.D.8.