Grade 8 Functions Free Bundle

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• FREE topics on Grade 8 Functions domain
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This fantastic bundle includes FREE worksheets and quiz items about Functions. These ready-to-use Common Core-aligned, Grade 8 Math worksheets, are perfectly paired with premium End-of-Year test booklets.

Common Core Standards (8.F)

Define, evaluate, and compare functions.

1. Understand that a function is a rule that assigns to each input exactly
   one output. The graph of a function is the set of ordered pairs
   consisting of an input and the corresponding output.1
2. Compare properties of two functions each represented in a different
   way (algebraically, graphically, numerically in tables, or by verbal
   descriptions). For example, given a linear function represented by a table
   of values and a linear function represented by an algebraic expression,
   determine which function has the greater rate of change.
3. Interpret the equation y = mx + b as defining a linear function, whose
   graph is a straight line; give examples of functions that are not linear.
   For example, the function A = s2 giving the area of a square as a function
   of its side length is not linear because its graph contains

Use functions to model relationships between quantities.

4. Construct a function to model a linear relationship between two
   quantities. Determine the rate of change and initial value of the
   function from a description of a relationship or from two (x, y) values,
   including reading these from a table or from a graph. Interpret the rate
   of change and initial value of a linear function in terms of the situation
   it models, and in terms of its graph or a table of values.
5. Describe qualitatively the functional relationship between two
   quantities by analyzing a graph (e.g., where the function is increasing
   or decreasing, linear or nonlinear). Sketch a graph that exhibits the
   qualitative features of a function that has been described verbally.

Resource Examples

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