Sad Math Book

This is a pun. The word 'problems' is used in two different contexts. It refers to the math problems in the book, but it also suggests that the book is having emotional issues.

• Math book
• Problem
• Sadness
• School
• Math
• Study

• Why was the math book sad at the rapper? Because it knew it couldn't count on his bars.
• Did you hear about the constipated mathematician? He worked it out with a pencil.
• Which book takes an extreme turn and has an incredible plot twist? - The math book. Suddenly letters appear in the calculations...
• Why is 6 afraid of 7? Cause 7 ate 9!