Illustrative Mathematics
Function Rules
Function machines are a great way to introduce the topic of functions to your class. Here, you will explore the input and output to functions both using numerical and non-numerical data. Learners are encouraged to play with different...
Education Development Center
Creating a Polynomial Function to Fit a Table
Discover relationships between linear and nonlinear functions. Initially, a set of data seems linear, but upon further exploration, pupils realize the data can model an infinite number of functions. Scholars use multiple representations...
Illustrative Mathematics
Foxes and Rabbits 1
Here is where algebra learners begin to understand that a function is a rule, and for each input there is exactly one output. The commentary gets bogged down with information about the predator-prey relationship between the fox and...
Illustrative Mathematics
US Garbage, Version 1
An interesting example of a discrete function and how it is applies to the real world. This could easily make a good collaborative instructional activity with an environmental science class. Practice reading a table and drawing a scatter...
CK-12 Foundation
Ck 12: Function Rules for Input Output Tables: Soda Sugar Function Table
[Free Registration/Login Required] Students are given an input/output table and are to determine the inputs and write rules for the function. Click 'Challenge Me' to answer practice questions and click 'Learn More' for more information...