I gave Jacob a bag of shells to count. He said it would take a year to count all 7 billion shells in the bag. I told him he could organize the shells to help him. He decided to organize the shells by the look of the shell. I let him do it and just said, "that is one way to do it." He quickly lost count and started over numerous times before telling me he could not do it wil us in the room, we were too distracting. I suggested he organize them in another way to count. He couldn't possible think of any other ways to organize the shells and was getting frustrated so I stepped in. I suggested we put them all together again. He did not like that idea so we kept them in 3 piles. I suggested we do one pile at a time and put them in small groups of 10. Explaining it would be easy to count by 10s. (He does know how to count by 10s. He liked this and put all 3 piles of shells into groups of ten by himself. He ran into a problem when we did not have for a pile of ten. I suggested we...