Guess My Rule is an online game created by Sarah Lonberg-Lew & Eric Appleton of the Adult Numeracy Network (you may want to become a member).
The game can be an introduction to functions. What rule is being used to turn an IN number into an OUT number?
![](https://i0.wp.com/www.collectedny.org/wp-content/uploads/2022/04/image-8.png?resize=288%2C326&ssl=1)
Students enter an IN number and the game uses a rule to automatically calculates an Out number. Try different IN numbers to collect information.
Can you figure out the rule?
There are 5 levels of rules, from one step rules to more complicated rules. We recommend starting with Level 1 until your students can confidently figure out the rule.