1) The document introduces the concept of significant figures through an imaginary scenario of students trying to get into a dance club called "Club Significance". 2) It explains the four main rules of significant figures: numbers that are non-zero are significant, zeros between non-zero numbers are significant, numbers after a decimal point are significant, and numbers to the left of the multiplication sign in scientific notation are significant. 3) The students work through examples to understand each rule and then try arranging themselves according to the rules to get into the club.

1. Significant Figures Made Easy By Miss Virginia Williams

4. Club Significance Significant Members Only

5. They got to the door all excited….

6. Club Significance Significant Members Only BAD

7. The bouncer was scary looking, but they all had identification so they weren’t worried at all.

8. As they showed their identification, the bouncer nodded and let each one pass. Until….

9. Suddenly, the bouncer gave a growl and said, “You aren’t significant fools. The Significant Club has rules.” BAD

14. But what does that mean?

19. They had the rules down and were ready to see if they could follow them to get into the club. And now its your turn. Each of you will have an identification card. Can you arrange yourselves so that the numbers you make will allow you to get into the club too? Let’s try it.