Hooked on Math Addition Subtraction Author:Hooked on Phonics Teaches the building blocks of math learning. Hooked on Math Addition and Subtraction empowers children ages 6 to 7 to master the math skills they need to succeed in school. With this fun and easy-to-use program, children progress at their own pace from basic addition and subtraction (0 18) to adding and subtracting larger numbers, place value, ... more »carrying, and borrowing. As they build a solid foundation in math learning, children also gain the confidence to move on to more complex math concepts. Kids, parents, and teachers alike love Hooked on Math Addition and Subtraction because it uses our unique learn-practice-play approach to help with skill mastery.« less