6.PAFR.2: Write, simplify, and evaluate algebraic expressions; write and solve algebraic equations and inequalities.

Write, simplify, and evaluate algebraic expressions; write and solve algebraic equations and inequalities.

6.PAFR.2.1Identify parts of an algebraic expression using the mathematical terms sum, difference, term, variable, product, factor, quotient, coefficient, and constant.6.PAFR.2.2Write and evaluate numerical expressions containing powers. Limit to positive whole number bases and positive whole number exponents.6.PAFR.2.3Evaluate numerical expressions with positive whole number bases and positive whole number exponents using the Order of Operations.6.PAFR.2.4Write and evaluate expressions using variables to represent quantities in mathematical and real-world situations.6.PAFR.2.5Write and solve one-step equations and inequalities with one variable involving positive rational numbers in mathematical and real-world situations.6.PAFR.2.6Interpret the concept of a ratio as the relationship between two quantities, including part-to-part and part-to-whole.6.PAFR.2.7Explain the relationship between ratios and rates, including unit rates.6.PAFR.2.8Solve ratio and rate problems in real-world situations.6.PAFR.2.9Use one-step dimensional analysis to convert units within the metric or customary systems.

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