Instead of counting out equal parts, try using division. If you had 16 slices of pizza and you wanted to share it with 4 friends, you would divide.
16 / 4 = 4
( 16 divided by 4 )
Each of you would get 4 pieces.
So, we need a review of how to do longer division, right? Watch the video and practice.

Having trouble seeing the Youtube video, click on the following link to Khan Academy instead:

Long Division - Khan Academy

Now practice your skills using this online quiz! Good luck!

Long Divison Quiz - Khan Academy