In this number game, learners use algebra to prove this age and change in your pocket number guessing game.  Students end with a number where the first two digits are their age and the last two digits are the change in their pockets.

In this questing numbers instructional activity, students use algebra equations to discover how the teacher correctly chooses the students' numbers each and every-time.  A pencil, key, stamp, yarn, and overhead are needed for this...