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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if the Customers

For Teachers 9th - 10th Standards
This is a beginning lesson on the concept of functions. The context is a business that has a database of customer names and phone numbers in a table and students must decide if a function is involved. Aligns with F-IF.A.1 and 8.F.A.1.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.f Foxes and Rabbits

For Teachers 8th Standards
In this problem about the predator-prey relationship between the fox and rabbit populations, 8th graders are asked to identify and explain any functions that they see. Aligns with 8.F.A.1.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.f Function Rules

For Teachers 8th Standards
Four tables showing different types of input and output values are presented and students are asked to describe function rules for them and fill in any missing values. Aligns with 8.F.A.1.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.f Us Garbage, Version 1

For Teachers 8th Standards
Eighth graders work with input values (the year) and output values (the amount of garbage that year) in a table about the garbage produced in the US. They study the table to answer specific questions, state whether it represents a linear...
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Unit Plan
Khan Academy

Khan Academy: Determine the Domain of Functions

For Students 9th - 10th Standards
Determine the domain of a function according to the algebraic limitations of that function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.