**West Virginia College and Career Readiness Education Standards**. A rational number is a number that can be made into a fraction. Decimals that repeat or terminate are rational because they can be changed into fractions. A square root of a number is a number that when multiplied by itself will result in the original number. The square root of 4 is 2 because 2 · 2 = 4. Read More...

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Study GuideRational numbers and operationsWorksheet/Answer key

Rational numbers and operationsWorksheet/Answer key

Rational numbers and operationsWorksheet/Answer key

Rational numbers and operations

WV.M.8.EE. Expressions and Equations

Analyze and solve linear equations and pairs of simultaneous linear equations.

M.8.9. Solve linear equations in one variable.

M.8.9.a. Give examples of linear equations in one variable with one solution, infinitely many solutions or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = a, a = a, or a = b results (where a and b are different numbers).

M.8.9.b. Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms.

WV.M.1HS8. 8th Grade High School Mathematics I

Reasoning with Equations

Understand solving equations as a process of reasoning and explain the reasoning.

M.1HS8.32. Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

Solve equations and inequalities in one variable.

M.1HS8.33. Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

WV.M.A18. High School Algebra I for 8th Grade

Relationships between Quantities and Reasoning with Equations

Understand solving equations as a process of reasoning and explain the reasoning.

M.A18.9. Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

Solve equations and inequalities in one variable.

M.A18.10. Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

Standards