Curated OER
Relations and Functions
High schoolers differentiate between a relation and a function. In this algebra lesson, students identify a pair of coordinates as being a relation or a function. They analyze graphs for function as they solve word problems.
Curated OER
Don't Let Parabolas Throw You
Students identify relation, function, patterns and range. In this algebra lesson, students factor and graph quadratic equations. They use transformation to move the parabola around and make predictions.
Curated OER
Functions Mixed Review: Pracctice A
Ninth graders review their knowledge of functions. In this Algebra I lesson, 9th graders determine if equations are linear or nonlinear, determine the slope and y-intercept of equations, and determine if a relation is a function in...
Curated OER
Inverse Relations
In this Algebra II instructional activity, 11th graders graph functions on a coordinate plane. Students determine values for which the function is undefined and explore reciprocal functions. The one page instructional activity...
Curated OER
Relationships and Functions
Fifth graders describe patterns as relations and functions. In this patterning lesson plan, 5th graders analyze and continue patterns. Students understand how patterns relate to relations and functions.
Texas Instruments
Texas Instruments: Relations and Functions
A function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. When a function is graphed, a vertical line can pass through the graph and touch only one point.