KnowMo
Percentage Increases: Methods for Calculations and Applications
This video is a lecture on percentage increases, with a focus on how to calculate them for interest calculations and profit margins. The presenter explains two methods for calculating percentage increases, the unitary method and using a...
Curated Video
How to Divide Using an Area Model
Do your elementary math students need to know how to divide using an area model? This educational kids math video shows upper elementary math students how to divide using partial quotients (also known as dividing with the box method)....
Curated Video
Writing Equations for Proportional Relationships: Distance and Time
This video explains how to write an equation that represents the proportional relationship between distance and time. Review how to find the unit rate by dividing the total distance by the total time. The teacher also clarifies that when...
KnowMo
Expressing Quantities as a Percentage
This is a lecture video that explains how to express quantities as a percentage. The speaker explains the concept of percentages and how they are closely linked to fractions and decimals. They demonstrate different methods to convert a...
Curated Video
Fractions: Reviewing the Four Operations
In this video lesson we will review how to add, subtract, multiply and divide fractions. We will make connections between adding and subtracting fractions. When you add and subtract fractions, you find a common denominator and add or...
Why U
Pre-Algebra 18 - Converting Fractions to Decimal Numbers
Any fraction can be converted into an equivalent decimal number with a sequence of digits after the decimal point, which either repeats or terminates. The reason can be understood by close examination of the number line.
Ancient Lights Media
Cell Reproduction Introduction
Cellular Reproduction Set: 1. This clip introduces cellular reproduction and the processes of mitosis (the duplication of the nucleus) and cytokinesis (the division of the cytoplasm).
Curated Video
Breaking Shapes into Equal Parts
Partition shapes into equal areas and express each part as a unit fraction.
KnowMo
Special Indices: Understanding Powers with Exponents
This video provides a clear explanation of three special cases of powers in mathematics- anything to the power of 1, anything to the power of 0, and 1 to the power of anything. The video discusses the properties of these powers, and how...
Curated Video
Finding Number Patterns: Addition and Subtraction In and Out Patterns
In this video, the teacher explains how to identify number patterns by solving addition and subtraction in and out patterns. They guide the students through examples and encourage them to keep track of the numbers on a chart.
Brian McLogan
Rationalize the denominator with a radical in numerator and denominator
👉 Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Brian McLogan
Dividing two numbers both negative, -8 / -4
👉 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...
Brian McLogan
Learn how to solve a multi step equation with multiple fractions
👉 Learn how to solve multi-step equations with parenthesis. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of operations to get to the...
Curated Video
Checking Division with Fractional Quotients Using Inverse Operations
This video explains how to check division with fractional answers using the inverse relationship between multiplication and division. The teacher demonstrates this concept through word problems and shows how to use fact families and...
Curated Video
Division with Fractional Quotients: Using Visual Fraction Models
In this video, Mr. Collins teaches students how to solve division problems with fractional quotients greater than or equal to 1 using visual fraction models. He uses examples of dividing pounds of cat food among kittens and ounces of...
Let's Tute
Introduction to Algebra
In this video, a teacher explains the importance of mathematics in our everyday lives and introduces the concept of algebra. The teacher explains the difference between arithmetic and algebra, and provides examples of algebraic...
Curated Video
Long Division (Three-Digit Dividend / One-Digit Divisor)
Find whole-number quotients by dividing three-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).
KnowMo
Calculating the Mean: A Practical Guide
This video explains how to calculate the mean or average of a data set. The instructor explains the formula for calculating the mean using examples such as finding the mean of a set of numbers or the race times of female triathletes. The...
Brian McLogan
Learn how to divide radicals
👉 Learn how to find the square root of rational numbers. To find the square root of a rational number, we first express the rational number as the square root of the numerator divided by the square root of the denominator and simplify....
Brian McLogan
Tips To Dealing With Fractions When Solving Two Step Equations
In this video I will show you some great tips you can apply to solving linear equations with Fractions Timestamps: 0:00 Intro 0:24 Start Example #1 0:32 Tip #1 Get Rid of Fractions 1:56 Example #1 Inverse Operations 2:49 Start of Example...
Brian McLogan
Overview of combining functions
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
KnowMo
Simplifying Fractions: A Step-by-Step Guide
This video is a tutorial on simplifying fractions. The presenter explains what a fraction is and how it represents a part of a whole. They go on to explain how to simplify fractions by dividing the numerator and denominator by the same...
Curated Video
Understanding Place Value and Decimal Notation
In this video, the concept of place value and the relationship between digits in a number are explained using base 10 blocks. The video also addresses the misconception that having the same digit in a certain place means having the same...
Curated Video
Dividing Unit Fraction by a Whole Number Using Visual Models
Dividing a unit fraction by a whole number using visual models.