Curated Video
Representing Fractions as Sums of Unit Fractions Using Pictures
In this video, students will learn how to break down fractions into smaller unit fractions using visual representations. The teacher explains the parts of a fraction, including the numerator and denominator, and demonstrates how to...
Curated Video
Generating Equivalent Fractions Using Number Lines
In this video, students will learn how to generate equivalent fractions using number lines. The teacher explains the importance of considering both the numerator and denominator when comparing fractions. The students are guided through...
Kult America
POLISH - World's Most Difficult Language | ft. Arlena Witt & Mowiac Inaczej
This is a video that I've been wishing to make for a long time, the personal story of my confrontation with Polish grammar. Polish is one of the hardest languages in the world and In my opinion its not a question of the difficult sounds...
Brian McLogan
Combining like terms of an expression ex 4, a - (a/4) + (3a/4)
π Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Evaluate an expression with two variables ex 7, ((3b)^2 + b) / c; b = 4; c = 8
π Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Evaluating an expression with one variable ex 9, ((z - 1)^2 + z) / (z + 1); z = -7
π Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Combine Like terms with distributive property and fractions (mistake don't do)
π Learn how to simplify mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Overview of fractions - free math help - online tutor
π Learn how to understand the concept of fractions using parts of a whole. Fractions are parts of a whole and this concept can be illustrated using bars and circles. This concept can also be extended to understand equivalent fractions....
Brian McLogan
Verifying trigonometric identities, hard with multiple steps
π 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
Verifying a trigonometric identity
π Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Brian McLogan
Verifying a hard identity with multiple steps
π 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
Using the reciprocal of a fraction to rewrite an expression with a positive power
π Learn how to simplify expressions using the power rule and the negative exponent rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual...
Brian McLogan
Simplify an expression by applying quotient rule of exponents
π Learn how to simplify expressions using the quotient rule of exponents. The quotient rule of exponents states that the quotient of powers with a common base is equivalent to the power with the common base and an exponent which is the...
Brian McLogan
Multiplying two radical expressions together then simplifying your answer
π Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside the radical symbol (nth root) is called the index, the number/expression inside the radical symbol is called the...
Brian McLogan
Learn how to rationalize the denominator to simplify an expression
π 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
Learn how to multiply rational expressions
π Learn how to simplify expressions by multiplying its terms. When multiplying expressions, each individual term of the expression is multiplied to its like term and the exponents are evaluated using the product rule, the quotient rule...
Brian McLogan
Dividing two radical expressions by rationalizing the denominator
π 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
Learn to solve a proportion with the variable on the denominator 9/g = 15/11
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Solve Two Step Equation Worksheet | 22 Examples
πIn this video I will work through 22 different examples of solving two step equations using a worksheet I created for my students. I will use the properties of equality, inverse operations and reverse order of operations to isolate the...
Brian McLogan
Simplifying a complex fraction by eliminating all of the fractions with the LCD
π Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Pre-Calculus - Subtracting complex rational numbers with standard form, (2/(1 + i)) - (3/(1 - i))
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can only...
Brian McLogan
What exactly is a polynomial
π Learn how to factor polynomials. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it up...
Brian McLogan
Dividing two polynomials using synthetic division
π Learn about dividing by synthetic division when the divisor is a fraction. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Brian McLogan
Divide two rational expressions by simplifying
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...