KnowMo
Converting Fractions into Decimals: Equivalent Fraction Method and Division Method
This video provides an explanation of how to convert fractions into decimals. The video begins by defining what fractions are and the meaning of their numerator and denominator. The presenter then goes through some common...
Brian McLogan
Learning to find the ratio of a geometric sequence
π Learn how to determine if a sequence is arithmetic, geometric, or neither. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of...
Brian McLogan
How to evaluate the special trig limit with sine and fractions
π Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Curated Video
Estimating Fractions with Number Lines
In this video transcript, the teacher explains how to estimate answers to real-world problems involving fractions using number lines. The examples given involve calculating how much more pie Jonathan ate compared to Mary, and determining...
Brian McLogan
Learn to graph an ellipse when a and b are fractions
Learn how to graph vertical ellipse centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major radius...
Brian McLogan
Solve a System of Equations Using Elimination with Fractions
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
Dividing a larger integer into a smaller integer to convert to decimal form 7/ 15
π In this video series you will learn how to divide integers. We will discuss basic division and then move to division using long division. Integers will be single digit as well as multi-digit problems. When a number the divisor does not...
Why U
Pre-Algebra 11 - Fractions and Rational Numbers
The first fractions used by ancient civilizations were "unit fractions". Later, numerators other than one were added, creating "vulgar fractions" which became our modern fractions. Together, fractions and integers form the "rational...
Curated Video
Adding Mixed Numbers Using an Area Model
In this video, students learn how to add mixed numbers using an area model. The teacher explains the common mistake of not understanding the significance of the whole number in the mixed fraction. Through the use of area models, students...
Brian McLogan
Solving a two step equation with multiplication fractions
π Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brian McLogan
How to subtract fractions with unlike denominators
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...
Brian McLogan
Easy way to subtract two fractions with unlike denominators to determine the difference
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...
KnowMo
Converting Recurring Decimals to Fractions
This video explains how to convert recurring decimals into fractions. The presenter first defines what a recurring decimal is and shows examples of different recurring decimals. Then, he explains how to convert recurring decimals with...
Brian McLogan
Solving a basic exponential equation
π Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Solving exponential equations using the one to one property
π Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Evaluate the half angle formula for cosine
π Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Curated Video
Generating Equivalent Fractions Using Area Models
In this video lesson, students will learn how to generate equivalent fractions using area models. The teacher explains the concepts of numerators and denominators, as well as common mistakes students make when comparing fractions.
Curated Video
Converting Repeating Decimals into Fractions: Proving Rationality
This video introduces the concept of rational numbers and discusses the skepticism surrounding repeating decimals. Through examples and a pattern, the teacher shows how to convert repeating decimals into fractions, providing a clear...
Curated Video
How a Library Uses Math
What is the Dewey Decimal System? How does a library use math? Do books use numbers? These are all questions that will be answered in this video! Meet circulation manager, Jess Patton from Worthington Libraries. This educational kids...
Brian McLogan
Adding fractions - Math Tutoring Online - Math Skills
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...
Brian McLogan
Adding Fractions - Help me with math
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...
Brian McLogan
Use a Pythagorean triple to to solve for the missing side ex 3
π Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Brian McLogan
How to determine the quotient of two negative mixed numbers
π Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Brian McLogan
How to add fraction with unlike denominators and get improper answers
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...