Teacher does cardboard strength experiments by stacking rocks on a bridge of cardboard of different fluting designs to detirmine the strongest type of cardboard. Students observe, predict and draw conclusions about cardboard strength. Students interview staff and keypals to gather other ideas for use of boxes. Students are guided to internet to find information about measurement. Students do measuring lesson using real objects, rulers and ruler printed from the internet.
Students discuss differences between measuring tools.
Students generate a list or draw pictures on tagboard to chart the ideas gathered in interviews. Children analyze each idea, considering available materials, help needed, play value for children. Students vote on ideas using stickers. Teachers can vote too. Students observe which two ideas had the most votes.