Annie had 10 apples, and I had 11 apples and I give her 2 apples, how many apples do I have left?
Annie =======> 10 (Apples)
You ==========> 11 (Apples)
You gave Annie =======> 10 + 2 =======> Now Annie has 12 (Apples)
You have =========> 11 - 2 ========> (9 Apples Left)
Hope that helps!!!!! : )