Product Description:
The Number DNA™ PreAlgebra Skill Builder software contains nearly 600 refreshable workouts and tests distributed over the following topics:
Add/Subtract/Multiply/Divide Whole Numbers
Add/Subtract/Multiply/Divide Integers
Factors/GCF/LCM and The Number Game
Add/Subtract/Multiply/Divide Fractions
Add/Subtract/Multiply/Divide Decimals
Converting between Percent's and Fractions and Decimals
Estimating and solving Percent problems
Each subscriber has their own personal home page that keeps track of their progres and includes links to their next workout or test. .
 
Our product is newly developed. The Numerical Reasoning, Fractions and Decimal modules have been beta-tested by over 600 students in the Flint, Brighton, Ypsilanti and Ann Arbor areas of Michigan. These students have completed over 600,000 problems with an accuracy rate of 78%. 
 
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