CHAPTER9
Divisibility
In This Chapter
- Divisibility rules for numbers under 10
- Using the osculation method to determine divisibility
- The difference between positive and negative osculators
Finding out what numbers divide into another number can be a tedious process. You may spend a lot of time just inputting numbers into the calculator. However, it doesn’t have to be that difficult!
In this chapter, I take you through some common divisibility rules you can apply to your calculations. I also teach you about a method called osculation, which can make determining what a number’s divisible by much simpler.
Divisibility Rules
If you have a divisor ...
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