Topic 10

Functions

Free 8th Grade Math PDF Worksheets

Topic overview

A function assigns exactly one output to each input. Ordered pairs, tables, equations and graphs show these relationships, while the vertical line test helps identify functions and graph features reveal how quantities change.

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10.10 visits
Identifying Functions
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Level 1: Sets of ordered pairs0 Level 2: Tables0 Level 3: Equations0
10.20 visits
Evaluating Functions
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Level 1: Whole-number inputs0 Level 2: Negatives, fractions and squares0 Level 3: Solving and combining0
10.30 visits
Linear and Nonlinear Functions
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Level 1: Equations0 Level 2: Tables0 Level 3: Rewrite first0
10.40 visits
Comparing Functions
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Level 1: Greater rate of change0 Level 2: Greater initial value0 Level 3: Real-life comparisons0
10.50 visits
Word Problems: Functions
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Level 1: Write and evaluate0 Level 2: Interpret a function rule0 Level 3: Build the function0
10.60 visits
Identifying Functions from Graphs
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Level 1: Lines and familiar curves0 Level 2: Discrete points0 Level 3: Shifted curves and relations0
10.70 visits
Linear and Nonlinear Graphs
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Level 1: Straight lines and curves0 Level 2: Shifted graphs0 Level 3: Piecewise and less familiar graphs0
10.80 visits
Reading Values from Function Graphs
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Level 1: Read outputs from lines0 Level 2: Read outputs from curves0 Level 3: Find inputs and compare outputs0
10.90 visits
Interpreting Function Graphs
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Level 1: Initial values and changes0 Level 2: Increasing, decreasing and constant0 Level 3: Rates, intervals and rules0
10.100 visits
Graphing Functions
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Level 1: Linear functions0 Level 2: Negative and fractional slopes0 Level 3: Linear and nonlinear functions0