The document provides information about the number 3 through various examples and activities: 1) It shows the number 3 written out as a word and as a digit, as well as represented by 3 dots or circles. 2) Examples are given of spotting the number 3 on number lines and as labels on things like buses or doors. 3) Interactive challenges encourage finding the number 3 in the classroom or doing an action like clapping 3 times.