Order of Operations!
Practice questions...Easy to harder the farther you go down!
In Grade 9 we spend more time with Order of Operations with RATIONAL NUMBERS (fractions and decimals) Check out these questions with Fractions and Decimals!
MEGA-UGLY! Order of Operations...if you dare!
Sample solution...
Ever used Khan Academy?
It's a FREE online tutroing service! Pick the topic, watch a video, see some examples, and then do the practice!
You could even make an account, add me as your teacher (coach) and I can assign the right stuff, and see what you're working on!