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Speed Math by Gaurav Tekriwal

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CHAPTER3

Subtraction

In This Chapter

  • Subtracting left to right
  • Subtracting from powers of 10
  • Learn subtraction by the all from 9 and last from 10 method

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 ...

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