Curated Video
Creating Equivalent Fractions using Number Lines
In this lesson, students will learn how to create equivalent fractions by multiplying both the numerator and denominator of a fraction by the same number. They will explore this concept through visual representations on number lines.
Brian McLogan
Add subtract complex rational numbers
In this videos series I show you how to add and subtract complex rational numbers. Just like any rational numbers we need to have the denominators equal. So for these problems we work on finding the least common denominator and then...
Brian McLogan
Direct substitution with the left hand limit
👉 Learn how to evaluate the limit of a function involving rational 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. The...
Curated Video
Comparing Fractions Using the Benchmark 1 Whole
In this video, we demonstrate different ways fractions can be represented, such as through area models and number lines. By comparing the fractions 5/6 and 4/3 to the benchmark of 1 whole, the we show that 5/6 is less than 4/3.
Why U
Pre-Algebra 12 - Arithmetic Operations With Fractions
Arithmetic operations with fractions can be visualized using the number line. This chapter starts by adding fractions with the same denominators and explains the logic behind multiplication of fractions.
Curated Video
Creating Mini Stories to Match Fractions
In this video, students learn how to create mini stories to match fractions by sketching out numerators and denominators. The teacher explains that fractions represent equal parts of a whole and shows examples of different ways to...
Curated Video
Solving Mixed Number Multiplication Problems with the Standard Algorithm
In this video lesson, students learn how to solve mixed number multiplication problems using pictures and the standard algorithm. They are reminded of key concepts such as multiplication as equal groups, algorithms for multiplying whole...
Brian McLogan
Solving a two step equation with fractions by using fraction operations
👉 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...
Curated Video
Comparing Fractions with Different Denominators Using Set Models
This lesson emphasizes the importance of considering both the numerator and the denominator when comparing fractions, and provides visual representations to help students understand the concept. By the end of the lesson, students will be...
Curated Video
Comparing Fractions: The Importance of the Same Whole
In this video, students learn about equivalent fractions and the importance of comparing fractions to the same whole. Through visual models and real-world examples, they understand that fractions represent parts of a whole that are...
Curated Video
Introduction to Writing and Naming Fractions
In this video, the teacher explains how to write and name fractions using numbers and words. The concept of numerator and denominator is introduced, with the numerator representing the number of counted or shaded parts and the...
Curated Video
Writing Fractions: Grouping Objects into Equal Parts
In this video, students learn how to write fractions by looking at sets of objects and grouping them into equal parts. The teacher explains that fractions represent equal parts of a whole, whether it's breaking shapes or sets of objects....
Curated Video
Converting Improper Fractions to Mixed Numbers
In this video, the teacher explains how to convert improper fractions to mixed numbers by renaming fractional parts that represent a whole. Using the example of ordering pizza slices, the teacher demonstrates how to convert an improper...
Brian McLogan
Using trig limits to evaluate the limit
👉 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....
Math Fortress
GRE Arithmetic: Fractions (Part 4 of 5)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topic covered: division of fractions,...
Brian McLogan
Simplifying a logarithmic expression to one single logarithm
👉 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
👉 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
👉 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
👉 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
👉 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...