A **negative number** is a number **smaller than zero. **This can be clearly seen on the number line below.

You will be asked to use your knowledge about negative numbers to solve different problems.

**Example 1:**

**What is 6 minus 12?**

You may be able to do this type of calculation in your head or it may help you to use a number line.

**Answer:** **-6**

**Example 2:**

**The temperature is -7°C in New York in January, it is 18°C warmer in Rome, what is the temperature in Rome?**

**Answer:**

Count on from **-7°C **to **0** and then add on another** 11** so in total, you have added 18

This gives the answer** 11°C**