## What you’ll learn to do: Understand the basics of whole numbers

Even though counting is first taught at a young age, mastering mathematics, which is the study of numbers, requires constant attention and practice. If it has been a while since you’ve studied math, it can be helpful to review basic topics. In this chapter, we’ll focus on numbers used for counting as well as four arithmetic operations—addition, subtraction, multiplication, and division. We will also discuss some vocabulary that will be used throughout this course.

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