Brian McLogan
Combining rational expressions
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
Learning the easy way to solve a a rational equation by using the LCD
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Student Mistakes with FRACTIONS
πIn this video I will explore some of the reasons that I see students struggle with fractions and what they can learn about those struggles to get better at math.
Brian McLogan
Rationalize the denominator with the cube root of an expression
π Learn how to find the cube root of rational expressions. To find the cube root of a rational expression, we first express the rational expression as the cube root of the numerator divided by the cube root of the denominator. Next we...
Curated Video
Adding Fractions With The Same Denominator- Doodles and Digits
Do you need to learn how to add fractions in 4th grade? This educational kids math video shows upper elementary math students how to add fractions with like denominators! Visually see how to add the numerators when the denominators are...
Curated Video
Making Lemonade (Graph, create and complete a table of equivalent ratios)
Devon is making lemonade from a mix. For every 2 tablespoons of lemonade powder, he needs 3 cups of water. What is the ratio of lemonade powder to water?
Curated Video
Multiplying Two Fractions Using Area Models
Multiply a fraction by a fraction using area models.
Curated Video
Comparing Fractions with Equal Numerators
Comparing fractions with the same numerator but different denominators.
Curated Video
Whole Numbers as Fractions Using Visual Models (Part 2)
Express whole numbers as fractions having 1 in the denominator using visual models.
Curated Video
A Painter's Canvas (Part 1) (Represent decimal numbers using area models and equivalent fractions)
A painter divided his canvas into ten equal parts, as shown. 3 parts are painted black, 5 are painted red, and 2 are painted green. What is the decimal number representing each colored area of the canvas?
Curated Video
Simplifying Powers Using Properties of Exponents
In this short math video we will answer a standardized math test question where we are asked to simplify an expression with powers. We will review the Product of Powers Property which states where you have two powers with the same base...
Brian McLogan
How to add two fractions when the denominators are not the same
π Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Let's Tute
Probability - Coin Experiment - Problem Solving
In this video we will solve some problems on Probability Coin Experiment
Brian McLogan
Divide two functions and determine the domain
π Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two functions, we simply algebraically divide the rules (contents) of the two functions. We will then...
Brian McLogan
Simplify expressions both denominator and numerator, (18/6 + 4)/(7 x 2)
π Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
How to use the subtraction of two angles
π Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Simplifying a trigonometric expression by converting to sines and cosines
π Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
Converting to sines and cosines to simplify my expression
π Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Simplifying an expression with negative, positive exponents and one with 0
π Learn how to apply the rules of exponents to simplify an expression. We will focus on applying the product rule, quotient rule as well as power rule. We will then explore multiple properties such as power to product, power to quotient...
Brian McLogan
Simplifying a rational expression with multiple powers of exponents
π Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Brian McLogan
Simplify an expression by multiplying two terms and applying the applying the quotient property
π Learn how to apply the rules of exponents to simplify an expression. We will focus on applying the product rule, quotient rule as well as power rule. We will then explore multiple properties such as power to product, power to quotient...
Brian McLogan
Multiplying a function by a multiple, then determine the domain
π Learn how to multiply two functions. We will explore the multiplication of linear, quadratic, rational, and radical functions. To multiply two functions, we simply algebraically multiply the rules (contents) of the two functions. We...
Brian McLogan
How to simplify complex fractions with restrictions
π Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...