2. Equations & Inequalities

2.01 Review: Solving one- and two- step equations

2.02 Properties of equality

2.03 Solving multi-step equations

Investigation: Calendar equations

2.04 Literal equations and formulas

2.05 Practical problems with equations

2.06 Review: Solving one-step inequalities

2.07 Properties of inequality

2.08 Solving multi-step inequalities

2.09 Solving compound inequalities

2.10 Extension: Absolute value equations

2.11 Extension: Absolute value inequalities

United States of America MA

Math I

2.02 Properties of equality

Interactive practice questions

Beginning with the equation $x=9$x=9, write the new equation produced by adding $1$1 to both sides.

Easy

1min

Beginning with the equation $x=14$x=14, write the new equation produced by subtracting $7$7 from both sides.

Easy

< 1min

Beginning with the equation $x=10$x=10, write the new equation produced by multiplying both sides by $5$5.

Easy

< 1min

Beginning with the equation $x=99$x=99, write the new equation produced by dividing both sides by $11$11.

Easy

< 1min

Outcomes

A-REI.1

Explain each step in solving a simple linear 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 or refute a solution method.

A-REI.3a

Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters. a. Solve linear equations and inequalities in one variable involving absolute value.

What is Mathspace

About Mathspace