 Teacher Review (Not based on classroom experience)Reviewer: ambyrd, Jun 29 2009 3:22PM |
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 |
Tool: Coin Problem Review