The United States Department of Agriculture sets a serving size of fruit as a single piece, such as an apple or orange. For sliced fruit, a serving is one-half cup. For this activity, fruit juice does not count. Some examples:
1 banana
15 grapes
6 strawberries
2 plums
1 medium apple
2 clementines
2 kiwis
1/2 grapefruit
1 nectarine
1 medium pear
Have: 3 servings