Product Description: The Number DNA™ PreAlgebra Skill Builder software contains nearly 300 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 500 students in the Flint, Brighton, Ypsilanti and Ann Arbor areas of Michigan. These students have completed over 400,000 problems with an accuracy rate of 90%. We will expand the Decimal Module and make the Percent Module available this Spring 2021. You will have access to all Number DNA™ units, as they are developed, at no extra charge.

Your login information will be sent within 24 hours of receiving payment.

$9.99Price

Price Options

One-time purchase

$9.99

PreAlg Skill Builder

Single | Monthly

$9.99monthly/ auto-renew

Yearly Subscription

$8.33yearly/ auto-renew