Matific

BOOM Learning

Mathtopia (Free)

Sushi Monster

Wild Sheep

Math Slide

Motion Math Zoom

Play 1 2 3 (PreK-Kinder)

Mathmateer (Free - Top 10 best app for elementary school kids)

1st grade Math: Splash Math Worksheets App for Numbers

Arithmetic Wiz - Singapore Math Drills (Free)

Space Mathematics: Multiplication and Division – Lite (Free)

Ice Math Ninja Zero (Free)

Ninja Factor (Free)

Match 10: Free Math Puzzle

Talking Math Quiz ($1.99)

Math Puppy – Bingo Challenge (Free)

Math with Balloons (Free)

Math Mate – Learn and Practice Multiplication Division (Free)

Math Soccer (Free) 

Rocket Math (Free) 

Math Ninja HD (Free) 

http://www.playkidsgames.com/mathGames.htm

http://www.sheppardsoftware.com/math.htm

http://www.softschools.com/math/games/

http://www.coolmath4kids.com/

http://www.funbrain.com/brain/MathBrain/MathBrain.html

http://pbskids.org/games/math.html

http://www.mathplayground.com/

http://www.kidsmathgamesonline.com/

http://www.primarygames.com/math.php

http://www.mathchimp.com/1stGrade.php

http://www.math-play.com/soccer-math-adding-one-digit-numbers/adding-one-digit-numbers.html

http://www.math-play.com/math-racing-order-and-compare-numbers/math-racing-order-and-compare-numbers.html

http://www.kidsnumbers.com/

http://www.jumpstart.com/parents/games/math-games

http://www.thekidzpage.com/learninggames/math/