Brian McLogan
Simplifying a logarithmic expression to one single logarithm
π Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Why U
Pre-Algebra 14 - Creating Common Denominators
Addition and subtraction of fractions with different denominators requires creating a "common" denominator. Using the number line, this mysterious process can be easily visualized.
Curated Video
Rewriting Fractions with Variables: Applying the Rules of Polynomials
In this video, students will learn how to rewrite fractions that include variables by applying the rules of fractions. The lesson covers simplifying polynomial expressions and understanding the process of cross-cancelling terms in the...
Curated Video
Identifying Improper Fractions on a Number Line
In this video, students learn how to identify improper fractions on a number line by dividing it into equal parts. The teacher uses the analogy of dividing a candy bar into thirds to explain the concept. Students also learn that the...
Curated Video
Subtracting Mixed Fractions Using an Area Model
In this video, students learn how to subtract mixed fractions using an area model. The teacher explains the importance of understanding the different parts of a fraction and demonstrates how to represent fractions using area models....
Brian McLogan
Overview of logs using exponents
π Learn how to condense/expand logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the...
Brian McLogan
Learn how to use mathematical induction to prove a formula
π Learn how to apply induction to prove the sum formula for every term. Proof by induction is a mathematical proof technique. It is usually used to prove that a formula written in terms of n holds true for all natural numbers: 1, 2, 3, ....
Brian McLogan
Evaluate the six trig functions using a right triangle and secant of theta
π Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
Learn how to write an algebraic proof
π Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
KnowMo
Subtracting Mixed Numbers: Two Methods
The video is a lecture on how to subtract mixed numbers. The instructor presents two different methods for subtracting mixed numbers and walks through an example using both methods. The first method involves separating the whole number...
Curated Video
Multiplying Fractions with Fractions: Using an Algorithm to Solve Problems
In this video, students learn how to multiply fractions with fractions using a sequence of operations. The teacher explains the concept using visual representations and then introduces an algorithm to solve these problems more efficiently.
Curated Video
Multiplying a Fraction by a Mixed Number using Visual Representations
In this video, the teacher explains how to multiply a fraction by a mixed number using visual representations. The lesson begins with a review of fractions and their parts, the numerator and denominator.
Brian McLogan
How to Add, Subtract, Multiply and Divide Fractions | 52 Examples
In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those...
Brian McLogan
Learn how to evaluate a limit with a function as a complex fraction
Learn how to evaluate a limit with a function as a complex fraction
Brian McLogan
Learn how to determine the product of a mixed number by a whole number
π Learn how to multiply mixed numbers. To multiply mixed numbers, we first convert the mixed numbers to improper fractions and then multiply the resulting mixed numbers by multiplying the numerator by the numerator and the denominator by...
KnowMo
Introduction to Probability: Understanding Likelihood and Quantifying Random Events
This is an educational video that introduces the concept of probability. The speaker starts by explaining the idea of random events and how some events are more likely than others. The video also discusses the scale of probability,...
Curated Video
Partitioning the Whole: Solving Division Problems with Fractions
In this video lesson, students learn how to solve division problems by partitioning the whole. The instructor explains the concept using fraction bars and fractional amounts. Through examples and explanations, students understand how to...
Curated Video
Finding the Reciprocal of Mixed Numbers by Renaming as Improper Fractions
In this video lesson, students will learn how to find the reciprocal of mixed numbers by renaming them as improper fractions. The teacher explains the concept of reciprocals and demonstrates how to find the reciprocal of a given mixed...
Curated Video
Subtracting Fractions with Like Denominators: Not Starting with One Whole
In this video, students learn how to subtract fractions with like denominators when they are not starting with a whole. The teacher uses visual aids, such as brownies and pizza slices, to help students understand the concept of unit...
Weatherthings
A Sun Dog is a Mock Sun is a Parhelion
Often, next to the sun, we find very bright patches of color. This describes what they are, and that they are not rainbows.
Curated Video
Crude Oil: Properties and Fractional Distillation
In this video, the presenter discusses crude oil - what it is, how it's formed, and how it's separated into its various components through fractional distillation. The video covers the different fractions of crude oil, their properties...
FuseSchool
Laws Of Indices Part 2: Negatives & Fractions
Laws Of Indices Part 2: Negatives & Fractions | Algebra | Maths | FuseSchool In this video we are going to look at what happens with negative indices and fractional indices. You should already know the other 4 βLaws of Indicesβ For...
Brian McLogan
Evaluating the difference of two angles for the tangent function
π Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...