Functions
Worksheets across grades for this subject.
Grades covered: Grade 9 · 3 printable worksheets
Topics Covered
Functions
Functions are relationships where each input has exactly one output. Students learn function notation, evaluate functions, identify domain and range, and analyze function behavior from graphs and equations.
Functions are the fundamental objects of study in higher mathematics. They model relationships between quantities and are essential for calculus, statistics, and mathematical modeling.
Teaching Tips
Use function machine metaphor for input-output. Emphasize one output per input rule. Practice function notation reading and writing. Use vertical line test for graphs. Connect multiple representations (equation, graph, table) consistently.
Test function evaluation and notation understanding. Ask students to identify functions from various representations. Include domain and range problems. Have students interpret graphs and identify key features (intercepts, max/min).
Available Worksheets
Grade 9 · Difficulty: easy · Code: G09-T1022-E-01
Grade 9 · Difficulty: hard · Code: G09-T1022-H-01
Grade 9 · Difficulty: medium · Code: G09-T1022-M-01