Solving Multi-Step Equations NOTES & PRACTICE

Students solve multi-step equations using guided notes, then practise with a partner, check solutions by substitution and analyze errors.
Grades
Grades 7–8
Pages
10
File type
PDF
Answer key
Included

Updated Mar 19, 2022

Subject
Math, Algebra
Topic
Multi-Step Equations, Linear Equations
Resource types
Worksheets
Answer key
Included
Standards
8.EE.C.7

Product description

From the author

This resource was developed to meet the requirements of the 8th Grade Expressions & Equations Standards below:

Ccss.math.content.8.ee.c.7

Solve linear equations in one variable.

Ccss.math.content.8.ee.c.7.b

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

It is highly recommended that students REVIEW solving 1- and 2-step equations, distributive property, and combining like terms before attempting this lesson.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Solve a multi-step linear equation in one variable by simplifying distributive expressions, combining like terms, and isolating the variable using inverse operations.

  • Check a solution's validity by substituting it back into the original equation.

  • Identify the specific step where an error was made in another student's worked solution.

Teaching tips

  • Have students fill in the blanks on the notes page together as a class before moving to independent practice, since the notes are structured as a fill-in-the-blank scaffold rather than fully worked examples.

  • Use the file's own suggestion to activate prior knowledge by asking students to guess each fill-in-the-blank term before revealing it.

  • If your state test allows calculators, use the check-your-work step as an opportunity to teach students how to verify an answer with one, per the file's own note.

Skills covered

  • Multi-step equation solving — students apply a five-step method (simplify, combine like terms, isolate variables, isolate constants, solve) to equations with distributive expressions and terms on both sides.

  • Solution verification — a worked example shows substituting the solution back into the original equation to confirm both sides match.

  • Rational-coefficient equations — practice problems include equations with fractional coefficients, matching the distributive-property and like-terms requirement of the targeted standard.

Good to know

Questions teachers ask about this resource

What method do the notes teach for solving a multi-step equation?

A five-step process: simplify any distributive expressions, combine like terms on each side, isolate the variable using inverse operations, isolate the constant, then solve for the variable — followed by checking the answer by substitution.

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Curriculum

Standards, concepts & topics

Standards

  • 8.EE.C.7

Core concepts

  • Multi-step equations

  • Inverse operations

  • Distributive property

  • Combining like terms

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