CHAPTER2

Addition

In This Chapter

  • Adding left to right
  • Calculating addition problems with numbers near 10 or a multiple of 10
  • Solving addition problems with number splitting

Addition is one of the first operations you learned as a child. And if you’re like me, you loved doing our 2 + 2’s. In this chapter, you’ll learn some simple addition methods that will make the process once again feel like child’s play. Once you know them, you’ll be able to do addition problems faster and without the aid of a calculator or even a pencil and paper.

Left-to-Right Addition

You can speed up your addition by adding the numbers in each column from left to right. ...

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