Expressions & Equations

8th grade

Understading powers

Why Do You Need to Use Powers?

How Do You Multiply Powers with the Same Base?

How Do You Divide Powers with the Same Base?

How Do You Evaluate a Power with a Negative Base?

How Do You Evaluate a Power with Zero in the Exponent?

How Do You Evaluate a Power with a Negative Exponent?

How Can You Simplify Fractions Using the Negative Exponent Rule?

Understading powers and roots

What Is a Square Number?

What Is the Connection between Squares and Square Roots?

How Do You Multiply Square Roots?

How Do You Find the Square Root of a Composite Number?

How Do You Find the Square Root of a Fraction?

Understanding scientific notation

How to Write Scientific Notation?

How to Calculate with Scientific Notation?

How to Convert Scientific Notation to Standard Notation?

Understand the connections between proportional relationships, lines, and linear equations

What Is a Linear Function?

How Do You Draw the Graph of a Linear Function?

Understanding linear functions

What Are the Slope m and the y-Intercept b in a Linear Function?

How Do You Find the Slope of a Linear Function When You Know Two Points?

How Do You Find the y-Intercept, b?

Understanding linear equations

What Is a Linear Equation in One Variable?

What Is the Change Sides, Change Sign Rule?

How Do You Isolate x When It’s Multiplied by a Number in an Equation?

How Do You Solve an Equation Containing Parentheses?

Analyzing and solving system of equations

What Is a System of Equations?

How Do You Solve a System of Equations Graphically?

How Many Solutions Can a Linear System of Equations Have?

Analyzing and solving system of equations with rational numbers

How Do You Isolate x When There’s a Number in the Denominator?

Solving system of equations by substitution and elimination method

How Do You Solve a System of Two Equations Using the Substitution Method?

How Do You Solve a System of Two Equations with the Elimination Method?

From word problem to a system of equations

How Do You Set up a System of Equations from a Word Problem?