Skynergy

AddOrSubtract is a simple math's tutor to teach your child how to do simple addition or subtract ion mathematics. Do as many odd or even quiz questions as you want to. Specify the top and bottom number ranges to increase or decrease difficulty. AddOrSubtract keeps a running score of how many... Platforms: Windows

OddOrEven is a simple math's tutor to teach your child the difference between odd and even numbers. OddOrEven has a cheat sheet that your child can use in the beginning to see which numbers are odd and which numbers are even. This cheat sheet can be hidden once your child is proficient enough to... Platforms: Windows