Introduction to Functions
A function is a rule that is performed on a number, called an input, to produce a result called an output. The rule consists of one or more mathematical operations that are performed on the input. An example of a function is y = 2x + 3, where x is the input and y is the output. The operations of multiplication and addition are performed on the input, x, to produce the output, y. By substituting a number for x, an output can be determined. Read More...
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◂Math Worksheets and Study Guides Seventh Grade. Introduction to Functions
Study Guide
Introduction to Functions 
Activity Lesson
Functions Box Worksheet/Answer key
Introduction to Functions Worksheet/Answer key
Introduction to Functions Worksheet/Answer key
Introduction to Functions Worksheet/Answer key
Introduction to Functions Worksheet/Answer key
Slope Worksheet/Answer key
Function or not? Worksheet/Answer key
In-and-Out Box
Activity LessonWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
Algebra (NCTM)
Understand patterns, relations, and functions.
Represent, analyze, and generalize a variety of patterns with tables, graphs, words, and, when possible, symbolic rules.
Represent and analyze mathematical situations and structures using algebraic symbols.
Explore relationships between symbolic expressions and graphs of lines, paying particular attention to the meaning of intercept and slope.