Ann has 4 cookies. She has 3 fewer cookies than Ben. How many cookies does Ben have?
4 + 3 = 7
15
Find the rest of the fact family for this equation: 7 + 5 = 12
5 + 7 = 12, 12 - 5 = 7, and 12 - 7 = 5
15
Linda has 6 shirts. Her friend Sam gives her 7 more shirts. How many shirts does Linda have now?
6 + 7 = 13
15
There are some students in the class. The class gets 3 new students. Now there are 12 students in the class. How many students were there to begin with?
12 - 3 = 9
15
Find the rest of the fact family for this equation: 11 - 4 = 7