Through their learning in the Measurement and Data domain, students:
• recognize the need for standard units of measure (centimeter and inch) and use rulers and other measurement tools with the understanding that linear measure involves an iteration of units; and
• recognize that the smaller the unit, the more iterations needed to cover a given length
I found a video that goes into detail on all the different kinds of measuring tools. They look at yard stick, rules, measuring tape and other. I focuses on finding the right tool to measure various items. This is a good introduction and lays the ground work for what they will be doing.
Using this video as an introduction I think the next step would be to put this into action. I would have students walk around the room and measure objects. If they don't have the right tool they can ask a friend. This lesson has the potential to be very interactive so please let me know if you have any idea on how to teach this!
Definitely a useful demonstration presenting different sets of measuring tools used when measuring straight, curved and irregular objects.
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