Åk 6–9
 
English/Soomaali
3.4 Adding Opposite Numbers
Earlier, we have learned about opposite numbers and now we will look at what happens when we add opposite numbers:

-5 + 5 = (-5) + (+5) = ?

We look at the number line:



-5 + 5 = (-5) + (+5) = 0

Answer: 0


We switch the example:

5 + (-5) = (+5) + (-5) = ?

On the number line, it looks like this:



5 + (-5) = (+5) + (-5) = 0

Answer: 0