Solve inequality word problems

Solve inequality word problems

In this lesson you will learn how to solve word problems by using inequalities.

ADDITIONAL MATERIALS

STANDARDS

CCSS.HSA-REI.B.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

TEKS.8.8.C model and solve one-variable equations with variables on both sides of the equal sign that represent mathematical and real-world problems using rational number coefficients and constants; and

TEKS.A1.3.D graph the solution set of linear inequalities in two variables on the coordinate plane;

TEKS.A1.5.A solve linear equations in one variable, including those for which the application of the distributive property is necessary and for which variables are included on both sides;

TEKS.7.11.A model and solve one-variable, two-step equations and inequalities;

TEKS.A1.12.E solve mathematic and scientific formulas, and other literal equations, for a specified variable.

TEKS.7.10.B represent solutions for one-variable, two-step equations and inequalities on number lines; and

TEKS.A1.5.B solve linear inequalities in one variable, including those for which the application of the distributive property is necessary and for which variables are included on both sides; and

IN.AI.L.8 Solve compound linear inequalities in one variable, and represent and interpret the solution on a number line. Write a compound linear inequality given its number line representation.

IN.AI.L.11 Solve equations and formulas for a specified variable, including equations with coefficients represented by variables.

VA.PFA.7.13 The student will solve one- and two-step linear inequalities in one variable, including practical problems, involving addition, subtraction, multiplication, and division, and graph the solution on a number line.

VA.EI.A.4.e practical problems involving equations and systems of equations.

VA.PFA.8.17 The student will solve multistep linear equations in one variable with the variable on one or both sides of the equation, including practical problems that require the solution of a multistep linear equation in one variable.

VA.EI.A.5.a solve multistep linear inequalities in one variable algebraically and represent the solution graphically;

VA.PFA.8.18 The student will solve multistep linear inequalities in one variable with the variable on one or both sides of the inequality symbol, including practical problems, and graph the solution on a number line.

VA.EI.A.4.a multistep linear equations in one variable algebraically;

FL.MAFS.912.A-REI.2.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.