Students study the decimal dilemma and discover major math mistakes in the real world with cheeseburgers advertised for .99 cents each or colas for .89 cents each.

Overall Rating:

Grades:

4th

Students observe and discuss a demonstration of the process of adding and subtracting decimals. They solve problems using their textbook and a worksheet.

Overall Rating:

Grades:

8th

Students investigate decimal values to the thousandths using a handheld. A web page is read, animation is used, and knowledge gathered utilized in a game.

Overall Rating:

Grades:

4th - 6th

Students investigate the Dewey Decimal System of numbering nonfiction books in the library. They label the type of nonfiction that would be found under each grouping of the system and classify a book based on its subject matter. They go to selected web sites to practice working with the classification system.

Overall Rating:

Grades:

2nd - 3rd

Students convert between equivalent fractions, decimals, percents, and proportions. They convert from exact to decimal representations of irrational numbers. Students translate between fractions, decimals, percents, exponential expressions and scientific notation.

Overall Rating:

Grades:

8th