Part 1: Add the Doubles. Some of these facts will reappear in Part 3.
Part 2: Solve the problems that add 1, 2, or 3. Work quickly and carefully.
Part 3: Add (do not count one by one). First, cross off the two addends that make a Double, then quickly add the third number (1, 2, or 3). The first one has been done for you. Try to finish this section in less than three minutes.
Worksheets teach to adding