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Tool: Coin Problem Review
Teacher Review (Not based on classroom experience)
Reviewer: ambyrd, Jun 29 2009 03:22:55:060PM
Review based on:
personal experience
Appropriate for:
practice of skills and understandings, applications of a concept or technique
Other Comments:
It was very interesting to use this tool to figure out not just how to figure out which coin was lighter; but how to do it in only two weighings.
What math does one need to know to use the resource?
How a scale works Balancing two sides of an equation.
What hardware expertise does one need to learn to use the resource?
mouse use
What extra things must be done to make it work?
nothing
How hard was it for you to learn?
Very Easy
Explanation:
It was very self explanatory. I was able to use my time manipulating the coins rather than figuring out how to use the tool.
Ability to meet my goals:
Effective
Recommended for:

Math 6: Number sense, Ratio and proportion, Measurement