Account Information for MrA

Ryan Andersen  K-12 Teacher 
Synthetic Division (Advanced Algebra)
A quick review of long polynomial division, and an explanation of synthetic division. This is a quicker, easier way to...
  • Currently 3.0/5 Stars.
95 views, 1 rating
by MrA
K-12 Teacher
00:13:25
Repeating Decimals (Algebra)
An explanation of how to change a repeating decimal to a fraction without a calculator. Three different examples are included.
  • Currently 4.0/5 Stars.
168 views, 3 ratings
by MrA
K-12 Teacher
00:06:43
Change of Base (Trig / Pre Calc)
An explanation of how bases (ie: Base 10, Base 2 / Binary) work, how to convert between bases, and how...
  • Currently 4.0/5 Stars.
70 views, 1 rating
by MrA
K-12 Teacher
00:17:13
Completing the Square (Algebra)
A coherent explanation of Completing the Square in a way that makes sense and you can follow. Also, an example...
  • Currently 3.0/5 Stars.
115 views, 1 rating
by MrA
K-12 Teacher
00:19:48
Introduction to Derivatives (Calculus)
A quick introduction to derivatives for the student having trouble understanding the concept of a derivative. An explanation of how...
  • Currently 4.0/5 Stars.
613 views, 1 rating
by MrA
K-12 Teacher
00:21:01
Intro to Slope (Algebra)
An introduction to slope. What slope means, how to find the slope of a line, and how to find slope...
  • Currently 4.0/5 Stars.
157 views, 4 ratings
by MrA
K-12 Teacher
00:08:51
Equations for Lines (Algebra)
An explanation of point-slope and standard forms for lines. Also, an explanation of how to get to point-slope form from...
  • Currently 5.0/5 Stars.
107 views, 2 ratings
by MrA
K-12 Teacher
00:23:03
Graphing Standard Form (Algebra)
Graphing a standard form line as well as writing equations for a line that goes through two points.
  • Currently 3.0/5 Stars.
47 views, 1 rating
by MrA
K-12 Teacher
00:06:55
Graphing Lines (Algebra)
Graphing linear equations for real-life situations and finding intercepts. Also, more practice graphing lines in standard form and point-slope form.
  • Currently 4.0/5 Stars.
52 views, 3 ratings
by MrA
K-12 Teacher
00:12:36
Parallel / Perpendicular Lines (Algebra)
How to determine whether lines are parallel or perpendicular and how to write parallel / perpendicular equations.
  • Currently 4.0/5 Stars.
53 views, 1 rating
by MrA
K-12 Teacher
00:14:35
Factoring Integers (Algebra)
A review of factoring integers and finding greatest common factor and an introduction to factoring polynomials.
  • Currently 5.0/5 Stars.
62 views, 1 rating
by MrA
K-12 Teacher
00:14:25
Factoring by Grouping (Algebra)
Taking out the greatest common factor from polynomials and factoring by grouping.
  • Currently 5.0/5 Stars.
55 views, 1 rating
by MrA
K-12 Teacher
00:22:37
Factoring Trinomials (Algebra)
A straight-forward way to factor any trinomial. Rewriting a trinomial and factoring it by grouping. Also, factoring a trinomial using...
  • Currently 5.0/5 Stars.
95 views, 1 rating
by MrA
K-12 Teacher
00:24:02
Factoring Differences of Squares (Algebra)
Factoring difference of square polynomials, including a way to multiply large numbers with mental math. Also, more factoring trinomial practice.
  • Currently 4.0/5 Stars.
20 views, 1 rating
by MrA
K-12 Teacher
00:08:46
Factoring Perfect Squares (Algebra)
How to recognize / factor perfect square trinomials. Also, what to look for to find a perfect square trinomial, and...
  • Currently 4.0/5 Stars.
20 views, 1 rating
by MrA
K-12 Teacher
00:08:02
Solving polynomial equations (Algebra)
Solving polynomial equations by factoring, using the zero product property.
  • Currently 5.0/5 Stars.
51 views, 1 rating
by MrA
K-12 Teacher
00:15:44
Writing Equations (Algebra)
Writing equations based on real-life situations. Also, solving these equations.
  • Currently 4.0/5 Stars.
48 views, 1 rating
by MrA
K-12 Teacher
00:17:55
Graphing Linear Equations (Algebra)
Determining if an equation is linear. How to graph a linear equation using a table.
  • Currently 4.0/5 Stars.
29 views, 1 rating
by MrA
K-12 Teacher
00:12:09
Functions (Algebra)
What is a function? What are some examples of functions? How do you determine if something is a function? What...
  • Currently 5.0/5 Stars.
55 views, 1 rating
by MrA
K-12 Teacher
00:21:03
Introduction to Induction (Beyond Calculus)
An introduction to the art of proving by induction. A list of steps to follow in order to prove something...
  • Currently 4.0/5 Stars.
42 views, 2 ratings
by MrA
K-12 Teacher
00:23:53
Non-Euclidean Geometries (Beyond Calculus)
An explanation of Euclid's five postulates -- and an especially in-depth explanation of Euclid's 5th postulate (the parallel postulate). An...
  • Currently 4.0/5 Stars.
31 views, 2 ratings
by MrA
K-12 Teacher
00:14:41
Pascal's Triangle (Playing with Numbers)
An explanation of what Pascal's Triangle is, how it is formed, and several different patterns inside of the triangle. Very...
  • Currently 5.0/5 Stars.
77 views, 1 rating
by MrA
K-12 Teacher
00:16:28
Exponents (Algebra)
An introduction to monomials, rules of exponents, simplifying monomials / polynomials. Also, proofs of some rules of exponents.
  • Currently 5.0/5 Stars.
51 views, 1 rating
by MrA
K-12 Teacher
00:21:35
Scientific Notation (Algebra)
A simple explanation of how to convert between decimal notation and scientific notation. Several examples of converting both ways.
  • Currently 4.0/5 Stars.
28 views, 2 ratings
by MrA
K-12 Teacher
00:17:42
Introduction to Polynomials (Algebra)
An introduction to polynomials. What is a polynomial? What are the names of different polynomials?
  • Currently 3.0/5 Stars.
30 views, 1 rating
by MrA
K-12 Teacher
00:06:30
Adding and Subtracting Polynomials (Algebra)
How to add and subtract polynomials with several examples.
  • Currently 4.0/5 Stars.
28 views, 1 rating
by MrA
K-12 Teacher
00:15:01
Multiplying a Polynomial by a Monomial (Algebra)
How to multiply a polynomial by a monomial using the distributive property and the rules of exponents.
  • Currently 4.0/5 Stars.
22 views, 1 rating
by MrA
K-12 Teacher
00:08:48
Multiplying Polynomials (Algebra)
Several approaches to multiplying polynomials. Distributing, foiling, long multiplication, and using Punnett Squares are described as ways to multiply polynomials.
  • Currently 5.0/5 Stars.
30 views, 1 rating
by MrA
K-12 Teacher
00:20:08
Special polynomial products (Algebra)
How to recognize / find special products with polynomials.
  • Currently 4.0/5 Stars.
14 views, 1 rating
by MrA
K-12 Teacher
00:10:18
Types of Proofs (Beyond Calculus)
A brief introduction to several types of proofs and simple examples of each type. Several proofs of each type are...
  • Currently 4.0/5 Stars.
35 views, 1 rating
by MrA
K-12 Teacher
00:29:35
Unit Circle (Trig / Pre Calc)
An introduction to the unit circle and unit circle trigonometry. How does traditional trigonometry apply to the unit circle? Also,...
  • Currently 5.0/5 Stars.
125 views, 1 rating
by MrA
K-12 Teacher
00:38:57
Simplifying Monomials (Algebra)
Example problems for simplifying monomial expressions using the rules of exponents.
  • Currently 3.0/5 Stars.
73 views, 1 rating
by MrA
K-12 Teacher
00:14:25
Fun with Pi (Playing with Numbers)
A video discussing pi. This video talks about what pi is, how to calculate pi, where pi is found, and...
  • Currently 5.0/5 Stars.
167 views, 1 rating
by MrA
K-12 Teacher
00:12:52
Angles (Geometry)
Learn what an angle is and how to estimate degree measures. Also, learn about acute, obtuse, right, supplementary, complementary, and...
  • Currently 3.0/5 Stars.
98 views, 4 ratings
by MrA
K-12 Teacher
00:20:09
Area Formulas (Geometry)
Learn about formulas for the area of shapes. Understand why those formulas work as well as how to use them.
  • Currently 4.0/5 Stars.
65 views, 1 rating
by MrA
K-12 Teacher
00:24:41
Box and Whisker (Statistics)
Statistics lesson for learning how to make a box and whisker plot from some data. Finding minimum, maximum, median, and...
  • Currently 4.0/5 Stars.
39 views, 1 rating
by MrA
K-12 Teacher
00:26:03
Coordinate Geometry (Geometry)
Learn how to find the area of several shapes on a coordinate plane.
  • Currently 4.0/5 Stars.
56 views, 1 rating
by MrA
K-12 Teacher
00:12:47
Coordinates (Algebra)
Learn how to plot points and how to name points in the Cartesian coordinate plane.
  • Currently 4.0/5 Stars.
11 views, 1 rating
by MrA
K-12 Teacher
00:10:14
Correlation (Statistics)
Learn what it means for two variables or items to be correlated. Also, learn about correlation and causation and how...
  • Currently 5.0/5 Stars.
40 views, 1 rating
by MrA
K-12 Teacher
00:14:08
Mean, median, and mode (Statistics)
Learn how to find the mean, median, and mode of data sets. Also, learn the difference between them and why...
  • Currently 4.0/5 Stars.
40 views, 1 rating
by MrA
K-12 Teacher
00:18:45
Negative Numbers (Algebra)
Learn how to use negative numbers, especially as they pertain to variables. They are taught using the idea of opposites...
  • Currently 4.0/5 Stars.
11 views, 1 rating
by MrA
K-12 Teacher
00:09:50
One Variable Inequalities (Algebra)
Learn how to solve and graph inequalities with only one variable. Learn when to flip the inequality sign and graph...
  • Currently 4.0/5 Stars.
26 views, 1 rating
by MrA
K-12 Teacher
00:31:34
Opposites and the Distributive Property (Algebra)
Learn what it means to have the opposite of a number or a variable, and learn how to distribute expressions...
  • Currently 4.0/5 Stars.
48 views, 1 rating
by MrA
K-12 Teacher
00:16:20
Stem and Leaf Plots (Statistics)
Learn how to make a stem and leaf plot and a histogram. Stem and leaf plots are very useful in...
  • Currently 4.0/5 Stars.
57 views, 1 rating
by MrA
K-12 Teacher
00:11:53
Modeling Problem Situations (Algebra)
Modeling problem situations with equations. Learn how to take a word problem and write an equation to solve it. Also,...
  • Currently 4.0/5 Stars.
18 views, 1 rating
by MrA
K-12 Teacher
00:19:58
Using Reciprocals (Algebra)
Learn what a reciprocal is and how to use them to solve equations.
  • Currently 3.0/5 Stars.
23 views, 2 ratings
by MrA
K-12 Teacher
00:12:32
Rewriting Formulas (Algebra)
Learn how to solve a formula or equation for a specific variable.
  • Currently 4.0/5 Stars.
65 views, 1 rating
by MrA
K-12 Teacher
00:10:36
Rotations (Geometry)
Learn how to determine the amount and direction of rotations of geometric figures. Also, learn about rotational symmetry.
  • Currently 4.0/5 Stars.
50 views, 1 rating
by MrA
K-12 Teacher
00:18:42
Solving with variables on both sides (Algebra)
Learn how to solve equations with variables on both sides. Use algebraic reasoning and visual models to learn what it...
  • Currently 5.0/5 Stars.
884 views, 1 rating
by MrA
K-12 Teacher
00:09:25
Translations (Geometry)
Learn the basics of what a translation is and how to translate figure on the coordinate plane and just in...
  • Currently 4.0/5 Stars.
48 views, 2 ratings
by MrA
K-12 Teacher
00:08:27
Variables in graphs (Algebra)
Learn the basics of what an independent variable is, what a dependent variable is, and what difference it makes when...
  • Currently 4.0/5 Stars.
51 views, 1 rating
by MrA
K-12 Teacher
00:10:08