January 2014
Beginner
288 pages
4h 31m
English
CHAPTER3
Subtraction
In This Chapter
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Generally speaking, subtraction is considered to be difficult because of the carryovers and the concept of borrowing. Even though you deal with subtraction early on in your student life, you may still have a kind of mental aversion to it as you grow up.
In this chapter, I show you some shortcuts to get answers to subtraction problems. Soon, you won’t mind subtracting at all!
Left-to-Right Subtraction
Unlike the traditional system of subtraction, which goes from right to left, subtracting from ...