We started by working as a class to build a graph of their predictions. Most students predicted the baby would be a girl...
After we made our predictions, students were shown a basket of blue dinosaur counters (boy) and a basket of red dinosaur counters (girl). Whichever basket had MORE counters in it would tell them what the baby was going to be.
Students took turns sharing and showing the strategies that they would use to count such a large amount (there were 50):
By 5's
By 2's
By 10's
By 3's
By 25's
We counted the blue dinosaurs many MANY times and then discussed which strategies were the easiest/most efficient way to count. Most students agreed that counting by 5's or 10's was the most efficient way. After counting the blue dinosaurs, we used counting by 5's to count the red ones and they celebrated pretty hard after learning that Mrs. Miller's baby is a.......
GIRL :)
Mrs. Miller
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