# dividing by a fraction   37 videos

• #### Adding/Subtracting Fractions- Like Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Adding and subtracting fractions that have the same denominator, including a visual representation

• #### Adding/Subtracting Fractions- Unlike Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Drawing pictures and procedures for adding or subtracting fractions with unlike denominators

• #### Dividing Radicals and Rationalizing the Denominator

How to rationalize denominators.

denominator numerator rationalizing the denominator conjugates
• #### Ratios

##### AlgebraSolving Equations

How to write ratios to compare two quantities.

ratio fraction
• #### Definition of Slope

##### AlgebraLinear Equations and Their Graphs

How to understand the idea of slope.

slope change ratio fraction
• #### Proportions

##### AlgebraSolving Equations

How to solve proportions.

ratio proportion fraction cross multiply
• #### Constructing the Centroid

##### GeometryConstructions

How to identify the centroid and the way it divides each of the medians.

point of concurrency center of mass center of gravity centroid proportional segments construct
• #### Multiplication and Division

##### Pre-AlgebraIntegers

Learn how to multiply and divide positive and negative numbers.

• #### Finding the Slope of a Line from a Graph

##### AlgebraLinear Equations and Their Graphs

How to find the slope of a line if given a graph.

slope change ratio fraction slope triangle
• #### Finding the Slope of a Line from a Graph

##### Algebra 2Graphs of Linear Equations

How to find the slope of a line if given a graph.

slope change ratio fraction slope triangle
• #### Rules for Rational Exponents

How to simplify an expression with rational exponents.

rules of exponents fractional exponents rational exponents
• #### Evaluating Rational Exponents

How to evaluate a fractional exponent two ways.

evaluating rational exponents power over root
• #### Addition and Subtraction with Mixed Numbers

##### Pre-AlgebraFractions and MIxed Numbers

Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

• #### Multiplication and Division with Decimals

Multiplying and dividing decimals by ignoring and later replacing the decimal point

• #### Arc Length

##### GeometryCircles

How to define arc length and how it is different from arc measure; how to calculate the length of an arc.

arc length arc measure concentric circles fraction circumference radius diameter
• #### Solving a Rational Equation

##### Algebra 2Rational Expressions and Functions

How to solve a simple rational equation.

cross multiplying fraction factoring denominator least common denominator lcd check
• #### Center and Apothem of Regular Polygons

##### GeometryArea

How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles.

center circumscribed circle inscribed polygon isosceles triangle regular hexagon