1.1 Introduction
Everyday, you use numbers. We would have huge difficulties getting through a normal day in modern society if we didn’t have them. Try not mentioning any numbers during an entire day.
Here are some daily situations where you might use natural numbers.
- Three meatballs, two potatoes, and a dollop of lingonberry jam please! |
Foto: Fredrik Enander |
- How many movie tickets do you want to buy?
- Four, thank you! |
Foto: Fredrik Hjelm |
- How many days is there left until summer vacation?
- There are 18 days left. |
Foto: Dan Gunnarsson |
In this section, we will be taking a closer look at a set of numbers that are the basis for all of math, *the natural numbers*. |