8th Grade Math - Functions - Rate of Change, Initial Value - CCSS 8.F.1,2,3

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Hilda Ratliff
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43 pages
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Hilda Ratliff


This product will save you time as it contains (1) teacher led lessons with guided notes and examples, (2) lots of independent practice and (3) detailed answer keys.

Keep students engaged as they fill in missing words in definitions and complete solutions to example problems.

There are four separate activities.

1. Introduction to Functions – 5 student pages (8.F.1)
a. Input and Output
b. Definition of Function
c. Vertical Line Test
d. Various Ways to Represent Functions

2. Review Rate of Change – 1 student page (See Preview)

3. Compare Functions – 5 student pages (8.F.2)
a. Rate of Change (slope)
b. Initial Value (y-intercept)

4. Linear and Nonlinear Functions – 9 student pages (8.F.3)
a. Graph
b. Table
c. Equation

There are 20 student pages with each page having a detailed answer key.

Click on a title below for additional 8th grade math resources.

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8th Grade Math Compare Functions - Two Matching Games - CCSS 8.F.2

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Math Activities 8th Grade - Proportions, Slope, y=mx+b - CCSS 8.EE.5,6

Volume of Cones, Cylinders, Spheres Common Core Math 8.G.9

Math Board Games Bundle - 8th Grade (8.NS, 8.EE, 8.F, 8.G, 8.SP)

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Created by Hilda Ratliff
Total Pages
43 pages
Answer Key
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to see state-specific standards (only available in the US).
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.
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.
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 the points (1,1), (2,4) and (3,9), which are not on a straight line.


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