Addition

Addition worksheets for first grade math centers and activities unit – this fun and differentiated pages of you need to teach addition fact fluency and making tens to help add easier. This worksheets cover  main standards/concepts: fact fluency, adding 10, adding 20 (moving 1 over to make a 10), and making a ten to add (making 10 to add strategy)

Adding using number line, adding single digit and double digits number and missing addends.