Are you smarter then a 10 year old Test to see if your smarters then a ten year old if you are then uve been listening if your not oh no NEXT TIME LISTENING skyerees published on January 15, 2013 Stacked 1/5 What is 10x10=? 100 1500 6900 2/5 So what 15 add 20 35 95 3/5 99+01 1000 10000 4/5 990+15 105 605 705 5/5 33 33 99