Submitted by Belinda Keir

Christmas crackers (also called bon bons) are an essential part of everyone’s Christmas table in the UK and also in most Australian homes, so currently they are everywhere in the shops. I like to make my own and will create a batch for the December MathsJam.

Here is a nice tutorial video for making Christmas crackers but there are many many others:

… and here are some math riddles to get you started…

Math Riddles for Inside the Crackers

Q: Why didn’t the quarter roll down the hill with the nickel? A: Because it had more cents.
Q: What happened to the plant in math class? A: It grew square roots.
Q: Why did the chicken cross the mobius strip? A: To get to the same side.
Q: How do you make seven an even number? A: Take the “s” out!
Q: Why did I divide sin by tan? A: Just cos.
Q: Where do math teachers go on vacation? A: To Times Square.
Q: What do you call a number that can’t keep still? A: A roamin’ numeral.
Q: Why is 6 afraid of 7? A: Because 7 8 9.
Q: Why did the two 4’s skip lunch? A: They already 8!
Q: What did one math book say to the other? A: Don’t bother me I’ve got my own problems!

Source: *
*Please Note: 
Some of the jokes on this site may be inappropriate for children.