Curated Video
Solving Volume Word Problems Using a Number Line
In this video, the teacher explains how to solve word problems about volume using addition and subtraction on a number line. They provide examples of calculating the amount of gas needed to fill a truck's tank and the amount of water...
Brian McLogan
Create a system of equations from a word problem
👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....
Curated Video
Explaining Subtraction Number Sentences
In this video, the teacher demonstrates how to explain the solution to a subtraction problem in multiple ways. Using base 10 blocks and a number line, the teacher shows the process of decomposing numbers and making jumps to find the answer.
Brian McLogan
Basic Math - Adding and subtracting numbers
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
KnowMo
Multiplication of Vectors: Understanding Scalars and Vector Notation
This video is a lecture presentation on the topic of multiplication of vectors. The presenter starts by defining what vectors are and how they are represented using vector notation. The video then goes on to explain how multiplication...
Brian McLogan
Verifying a trigonometric Identities
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Operations with functions all four of them
👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...
Brian McLogan
Applying the 4 operations to function then determining the domain
👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...
Brian McLogan
Master How to add, subtract and multiply a vectors by a scalar
Master How to add, subtract and multiply a vectors by a scalar
Brian McLogan
Determine whether an equation determines y as a functions of x
In this video series I show how we determine the difference between a relation and a function. A function is a relation where every input value maps to exactly one output value. Every function can be written in function notation. These...
Brian McLogan
Verifying a trigonometric Identities
👉 Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Brian McLogan
Simplify two rational expressions by subtracting
👉 Learn how to add and subtract rational expressions by applying the rules of exponents. When adding and subtracting rational expressions we need to have common denominators. To obtain common denominators we will need to multiply the...
Why U
Pre-Algebra 22 - Exponents of One, Zero, and Negative
Integer exponents greater than one represent the number of copies of the base which are multiplied together. But what if the exponent is one, zero or negative? Using the rules of adding and subtracting exponents, we can see what the...
Curated Video
Simplifying Expressions: Identifying and Combining Like Terms
In this video, you will learn how to simplify algebraic expressions involving addition and subtraction by identifying and combining like terms. You will understand the concept of terms, coefficients, and the commutative property of...
Brian McLogan
Adding and subtracting three 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...
Curated Video
Multiplying Fluently by Subtracting from Groups of 10
In this video, students learn how knowing their 10s facts can help them solve multiplication problems quickly and fluently. The video demonstrates strategies for multiplying by subtracting from groups of 10. The commutative property of...
Brian McLogan
Master Add and Subtract Rational Expressions
Master Add and Subtract Rational Expressions
Brian McLogan
Learn to use the distance formula to find the distance between two points
👉 Learn how to find the distance between two points. The distance between two points is the length of the line joining the two points in the coordinate plane. To find the distance between two points in the coordinate plane, we make use...
Brian McLogan
Word Problem Finding when the distance and the price is equal - cool math
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Brian McLogan
How to subtract two multi digit decimals from each other
👉 You will learn how to add and subtract numbers in decimal form. When adding and subtracting decimals it is very important to align the decimal points and use zero as space holders. Then you will apply the operations just like we do in...
Brian McLogan
Given two points find the slope of the line
👉 Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
Brian McLogan
Subtracting real numbers a positive from a positive, 5 - 3
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Curated Video
Understanding Area Under the Curve: Estimating and Integrating with Limits
The video discusses the concept of area under the curve and the use of rectangular strips to estimate this area. It also covers the fundamental calculus theorem of calculus and how integration and differentiation can be used to find the...
Brian McLogan
Word problem lengths of a rectangle - Word Problem help
👉 Learn how to find the area and perimeter of a rectangle. A rectangle is a parallelogram with all the angles equal to 90 degrees. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...