Clip And Add With Butterflies. This is a fun way for young children to solve addition problems. The children will look at the first number of the equation and place that many small clothespins on the blue side of the butterfly. Next, they will look at the second number and place that many small clothespins on the pink side of the butterfly. Then, they will count the clothespins to solve the equation. The equations used in this unit are: 1 + 1, 1 +2, 1 + 3, 1 + 4, 1 + 5, 2 + 1, 2 + 2, 2 + 3, 2 +