Death Pact (also book 4):

Death Done Stupid

I SWEAR I DID SEE A STORY CALLED "DEATH DONE STUPID" THAT IS CANCELLED, I want it to continue :(

Also according to the first chapter DPACT fell into a universe where they're fully humanized 

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5: *leaves room completely forgetting they're doing a test*

Fanny: Alr Professor 5's gone. *SLAMS TABLE* WHAT DO YOU HOES GOT ON 18

Tree: DESPITE ALL THE ANSWERS BEING 7, 5, 10 AND 4 I GOT 18

Black Hole: 9.5's the closest to 10 isn't it?

Marker: GUYS HELP I GOT ABRAHAM LINCOLN-