the problem together. they also have the option of choosing a partner to come up to the board to help them.
there were 5 frogs on a log (i draw 5 dots). two more swim over to join them (i draw two more dots and state that it looks like i am adding since i have more frogs). i state, "i wonder how many frogs i have now." i slowly and deliberately count the 7 frogs (dots) on my board. "i have 7 frogs."
i state a new problem: there were 7 frogs on a log. 4 frogs swim away. since frogs are leaving, i have to cross off some frogs. let's 