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David Wetzel on September 24th, 2008

When I was teaching one of my students’ favorite events in science was when they would be challenged with discrepant events. So what are discrepant events? 
It is something that surprises, startles, puzzles, or astonishes the students as they observe the event.
 
Often, a discrepant event is one that does not appear to follow basic “rules of [...]

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David Wetzel on September 24th, 2008

Second-grade students are often taught to line up columns of numbers to add them. This works when they are adding whole numbers. But in third grade, when they add decimals, lining up

numbers can produce the wrong sum if the numerals have different significant digits.
The key is to make sure students understand the mathematical concept of [...]

Continue reading about Elementary Student Math Misconceptions

David Wetzel on September 24th, 2008

Here is an opportunity for your students to be creative in science and math projects and presentations.
Students (and teachers) can create their own short videos to support multimedia presentations.

The Animoto service is free for educators after registering.
Your class will be able to create unlimited videos
Here is a short video I created in less than 15 [...]

Continue reading about Free Videos in Science and Math Using ANIMOTO