Related Topics:
Algebra
Word Problems
Common Core
(Algebra)
Common Core
for Mathematics
Examples, solutions, videos, and lessons to help High School students learn how to
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.
Suggested Learning Targets
- Assuming an equation has a solution, construct a convincing
argument that justifies each step in the solution process.
Justifications may include the associative, commutative, and
division properties, combining like terms, multiplication by 1,
etc.
Common Core: HSA-REI.A.1
Solving Two Step Equations: The Basics
This video explains how to solve basic two step equations.
Ex 1: Solving Two-Step Equations Using Integers
This video provides 4 examples of how to solve two step equations by
adding, subtracting, multiplying and dividing integers.
Ex 2: Solving Two-Step Equations Using Integers
This video provides 2 more examples of how to solve two step
equations by adding, subtracting, multiplying and dividing integers.
Solving Two Step Equations With Fractions
This video explains how to solve two step equation with fractions.
In this video, the equations are solve by working with the fractions.
Solving Two Step Equations Involving Decimals.
This video provides examples of solving two step linear equations
involving decimals.
Ex 2: Solving a Two Step Equation with Fractions - Not clearing the
fractions
This video solves a two step equation with fractions by leaving the
fractions in the equation and solving just like any other two step
equation.
Ex 2: Solving a Two Step Equation with Fractions - Clearing the
Fractions
This video solves a two step equation with fractions by clearing the
fractions from the equation and then solving for x.
Ex 3: Solving a Two Step Equation with Fractions - Not Clearing the
Fractions
This video solves a two step equation with fractions by leaving the
fractions in the equation and solving just like any other two step
equation.
Ex 3: Solving a Two Step Equation with Fractions - Clearing the
Fractions
This video solves a two step equation with fractions by clearing the
fractions from the equation and then solving for x.
Ex 4: Solving a Two Step Equation with Fractions - Not Clearing the
Fractions
This video solves a two step equation with fractions by leaving the
fractions in the equation and solving just like any other two step
equation.
Ex 4: Solving a Two Step Equation with Fractions - Clearing the
Fractions
This video solves a two step equation with fractions by clearing the
fractions from the equation and then solving for x.
Ex 5: Solving a Two Step Equation with Fractions - Not Clearing the
Fractions
This video solves a two step equation with fractions and a mixed
number by leaving the fractions in the equation and solving just
like any other two step equation.
Ex 5: Solving a Two Step Equation with Fractions - Clearing the
Fractions
This video solves a two step equation with fractions and a mixed
number by clearing the fractions from the equation and then solving
for x.
Solving Two Step Equations: A Summary
This video explains how to solve two step equations.
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
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