Here is a free visual aid to help students learn their doubles. There are several paid products that go with this doubles chart that you may want to check out: 1st Grade Addition Facts 3 - Adding Doubles Powerpoint Lesson1st Grade Addition Facts 3 - Adding Doubles Boom Cards,1st Grade Addition Facts 4 - Adding Doubles + 1 Powerpoint Lesson1st Grade Addition Facts 4 - Adding Doubles + 1 Boom Cards,1st Grade Addition Facts 5 - Adding In-between Doubles Powerpoint Lesson1st Grade Addition Facts 5