Wikipedia states that: “A picture is worth a thousand words” refers to the idea that complex stories can be described with just a single still image, or that an image may be more influential than a substantial amount of text. It also aptly characterizes the goals of visualization where large amounts of data must be absorbed quickly.
One book that I often use in class is “Time Life Mathematics” published in 1969.
It has some great pictures, especially for teaching Probability. My favourite shows families with long runs of consecutive boys or girls.
And then there is a visual of the 36 different outcomes when rolling a pair of dice:
Other visuals show the odds of different poker hands and the chances of two people in a group having the same birthday.
What examples of pictures do you use in the classroom?