A child had 4 balloons. They buy 1 more. How many balloons do they have?
A child had four balloons. They buy one more. How many balloons do they have?
We know the child had four balloons to begin with. Then, they buy one more. How many balloons will they have? One more than four makes five. Four and one more is five. If a child has four balloons, and they buy one more, they will have five balloons.