Get some purple, blue, green and red crayons (or markers) and let's go!  Use the colors the same way I did. 

I'll give you hints along the way.  I'm going to use triangles for mine!

Remember, that this means that you have two groups of 4!  When you're done making your groups, you can check your answer here:

Now, put the groups together... and count!

Now, let's do it with the numbers switched!  I'm going to use circles for mine!

Remember, that this means that you have four groups of 2!

Now, put the groups together... and count!