??? Bubble Sheet

Lost Pen

Teacher Threat

You if you give me a bad mark.
See me!

Yikes!

Aaron's Algebra Test

There are some gems in there.

Math Wizard

Math Wizard casts "Divide by zero" and ends the test to put Katie out of her misery

Rainbow and a Bunny

35 The base of a triangle is (2x+4)m and the area is (2x+5x+2)m.
How much longer is the base than the height?

I have no idea but here's a rainbow to make up for it.
And a bunny...

SUCCESS!!!!!!!

Dog Acorn House Differential Equation

Another excellent ZOoF from CollegeHumor!