A math joke
If there are ten cats in a boat and one jumps out, how many are left?
None, they were all copycats!

A history joke
What does the 1286BC incribed on the mummy's tomb indicate?
The registration of the car that ran him over!

Father: How do you like going to school?
Son: The going bit is fine, as is the coming home bit too, but I'm not too keen on the time in-between!

A history joke
Who succeeded the first President of the USA?
The second one!

A math joke
Teacher: Now class, whatever I ask, I want you to all answer at once. How much is six plus 4?
Class: At once!