Krista King Math
Greatest Common Factor, Trinomials
Teach how to factor trinomials using quadratic methods with this tutorial video. Each example begins by factoring a greatest common factor, resulting in a quadratic factor. The instructor then shows how to factor the quadratic factor.
Krista King Math
Dividing Multivariable Polynomials
Young mathematicians see how to divide two multivariable binomials with a video that explores the procedure of long division applied to polynomials. The divisor is a factor of the dividend.
Krista King Math
Multiplying Polynomials
Explain the process of multiplying polynomials presented in different forms. The video instructor shows examples of both two and three binomials. One example shows the multiplication of a binomial squared illustrating the difference in...
Krista King Math
Adding Polynomials
Teach the concepts of adding and subtracting polynomials using this video tutorial. The instructor explains one addition and one subtraction example. She highlights the idea of the implied one and the distributive property.
Krista King Math
Age Word Problems as a System of Two Equations
Utilize linear systems to solve age-related word problems. The video tutorial shows how to write and solve a linear system from a set of given information. After solving the system, the instructor explains how to examine the solution for...
Krista King Math
System of Two Equations with a Quadratic Equation
Examine the process of solving linear-quadratic systems of equations with a video tutorial that leads individuals through the steps to solving these systems through substitution. The example shown results in two valid solutions.
Krista King Math
Uniform Motion
Investigate the rate formula through uniform motion problems. Learners explore these problems as an application of linear systems. The video instructor demonstrates a method to set up and then solve the problem.
Krista King Math
Solving Systems of Equations with Cramer's Rule
Show how matrices can be helpful for solving systems of equations. The video illustrates an example of solving a two-variable system utilizing Cramer's Rule. The instructor shows how to find the determinant of each matrix and then uses...
Krista King Math
Solving Systems of Equations Three Ways
Which method of solving systems is the best? Individuals watch the same system solved using elimination, then substitution, and finally graphing. They can compare the different methods and see how each method results in the same solution.
Krista King Math
2-Step Problems
Introduce your classes to solving systems using familiar concepts. The video shows viewers how to solve a single-variable equation and then use that value to evaluate an expression. Using this two-step process introduces scholars to the...
Krista King Math
Graphing Parallel and Perpendicular Lines
What do parallel and perpendicular lines have to do with slope? The video highlights the importance of slope when graphing parallel and perpendicular lines. The instructor shows several examples of lines that are parallel and...
Krista King Math
Graphing Linear Equations
Uncover a process for graphing a linear equation in slope-intercept form with a video that describes how to determine the slope and y-intercept from the equation of a line. It then shows how to transfer those values to a graph...
Krista King Math
Cartesian Coordinate System
Examine the features of the coordinate system with a video that describes the basics from quadrants to axes. The instructor then demonstrates how to locate a point given by an ordered pair.
Krista King Math
Decimal Equations
Extend your classes' understanding of solving equations by introducing decimals into the mix! Here, a video tutorial shows how to convert decimals to integers in an equation by multiplying by powers of 10. Shows three examples of...
Krista King Math
Slope
Examine the features of linear slope with a video tutorial that explains the origin of the slope formula using a graph. Pupils then see several examples including positive, negative, and slopes of varying steepness.
Krista King Math
Distance, Rate and Time
Explore the use of formulas to problem solve with a video example that uses the distance formula to find a speed and then uses the speed to determine a time. The one example shows the different applications of the formula.
Krista King Math
Radical Equations
Build an understanding of solving radical equations through an engaging video tutorial. Learners observe the steps of solving radical equations as the instructor works through two examples, including one with an extraneous solution.
Krista King Math
Fractional Equations
Teach the least common multiple approach to converting fractions to integers within an equation with a video tutorial that explains how to find the LCM of the denominators in the equation. The instructor then uses the LCM and the...
Krista King Math
Addition and Subtraction of Rational Expressions
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
Krista King Math
Complex Fractions
Complex fractions are fractions divided by fractions—complicated, right? The video introduces the class to algebraic complex fractions. With the introduction to variables in the denominator, it is important make sure the denominator is...
Krista King Math
Complex Fractions, Ratio and Proportion
Show the class two methods to solve proportions of fractions. The instructor shows that complex proportions can be solved by the normal method of cross-multiplying. It also shows another method where the complex fractions are simplified...
Krista King Math
Like Terms, Multiplication and Division
Introduce the class to simplifying algebraic expression using multiplication and division. Showing the connection of the rules for exponents between numerical expressions and algebraic expressions, the video works several examples...
Krista King Math
Like Terms, Addition and Subtraction
It is not good enough to have the same variable, they must have the same exponents too. The video introduces the class to like terms, while giving the definition of like terms and providing examples of combining like terms through addition.
Krista King Math
Symbols of Inclusion
Tip—start with the inner most nested grouping symbol. The resource provides an explanation of the conventional method in nesting grouping symbols and using parentheses, brackets, and braces. The video provides two examples, one involving...