Hi Ceillidh! Thank you, and Mrs. Devlin, for asking this question about Math and Order of Operations.
We have added some really neat information to the VLC Grade 8 Math LibGuide, including a Rap Video, to help you understand Order of Operations better.
Please click on this link and watch the video - http://vlc.ucdsb.ca/c.php?g=170735&p=1124753
If you would like to learn more, try one of the Math Apps, also located on this page of the VLC.
I really hope this is helpful to you!