This page contains all our printable worksheets in section Mixed Operations of First Grade Math. As you scroll down, you will see many worksheets for fact families, more and less, addition and subtraction facts, addition and subtraction sentences, choose the operation, add or subtract - word problems, adding or subtracting tens, and more.
A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.