**Massachusetts Curriculum Frameworks**. 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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MA.7.RP. Ratios and Proportional Relationships

7.RP.A. Analyze proportional relationships and use them to solve real-world and mathematical problems.

7.RP.A.2. Recognize and represent proportional relationships between quantities.

7.RP.A.2.b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.

MA.7.EE. Expressions and Equations

7.EE.B. Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

7.EE.B.4. Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.

7.EE.B.4.c. Extend analysis of patterns to include analyzing, extending, and determining an expression for simple arithmetic and geometric sequences (e.g., compounding, increasing area), using tables, graphs, words, and expressions.

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