Me: Since there is 10th grade math on the test, I'm just going to review what you need to know to answer the questions but not really explain much because you'll get it all more in depth in 10th grade.
Me: Ok! First is SOHCAHTOA.
Student: What? That just sounded like you spoke another language.
Me: It's trig. I'll explain. SOH stands for sine over . . . . . . and you see, it's all based on right triangles.
Me: Ok, now combinations and permutations . . . . . . . and then you divide by 5 times all the numbers below five. It's called factorial and it is noted by !.