Jerry had some action figures on a shelf in his room. Later he added 7 more action figures to the shelf. If there are a total of 10 action figures on his shelf now how many action figures did he have initially on the shelf?
Jerry had some action figures on a shelf in his room. Later he added 7 more action figures to the shelf. 

That means that there were 3 action figures on the shelf to start with. 

3 + 7 = 10 

So, Jerry had 3 action figures on the shelf initially.