Subtraction Websites
AAA Math
AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts.
126,747 
$ 54,000.00
Gamequarium- The site that swims with learning fun!
Fun learning site for teachers and students featuring thousands of free educational games and activities that are organized by subject, topic, theme, and grade level.
1,344,340 $ 480.00
Arcademic Skill Builders - Fun Educational Games for Kids
Fun and free educational games for kids in K-8. Featuring multiplayer learning games, math games, language arts games, and much more!
381,790 $ 13,500.00
AAA Math
AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts.
6,536,997 $ 8.95
Welcome to A Maths Dictionary for Kids 2011 by Jenny Eather | Online Dictionary | Math Words | Math Glossary
An interactive, animated maths dictionary with over 600 common math terms and math words explained in simple language. Math glossary with math definitions, examples, math practice interactives, mathematics activities and math calculators. © Jenny Eather 2001-2011.
1,213,878 $ 480.00
HomeworkSpot.com: Homework Help, Science Fair Project Ideas, Math Help, Homework Helper
Find the best K-12 homework resources organized by subject and grade-level at HomeworkSpot.com.
1,224,346 $ 480.00
Cool Math - free online cool math lessons, cool math games & apps, fun math activities, pre-algebra, algebra, precalculus
Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too.
18,958 $ 438,480.00
Cool Math 4 Kids Lessons, Games, Activities - free online cool math lessons, cool math games, fun math activities, math flash cards to print, calculators and more!
Cool Math 4 Kids has cool math lessons, cool math games and fun activities. We have free online flash cards to print out, cool math practice games, online calculators and lessons for addition, subtraction, times tables, multiplication, division, fractions, decimals and more.
Not Applicable $ 8.95
AAA Math
AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts.
1,420,014 $ 480.00
Arcademic Skill Builders - Fun Educational Games for Kids
Fun and free educational games for kids in K-8. Featuring multiplayer learning games, math games, language arts games, and much more!
235,262 $ 21,600.00