A pacman like game is played to show what it means to be a multiple of three. Then the mathman writes an equation which always equals the number three.
Jim al-Khalili shows us how the man who invented algebra, Al-Khwarizmi, would use his mathmatical discoveries during his time period, when things were much different.
The baby woodpecker wants to save Jerry from Tom. He uses trigonometry to find the right angle at which to cut the telephone pole in order to hit only Tom. While the math equations are not correct, the premise of the woodpecker's math is correct.