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學生說明
Look at the pictures and use the 
tool to write answers to the questions.
- What do you see? (What do you notice?)
- What do you think? (How could the pictures be connected? What do you think they are all about?)
- What do you wonder? (What questions do you have?)
教師備註 (學生不可見)
This is a provocation for length, using formal and informal units of measurement.
