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Curated Video
Evaluate a Numerical Expression with Parentheses
In this short video we will answer a standardized math test question where we need to evaluate a numerical expression with parentheses. We will use order of operations to simplify the numerical expression. We will review PEMDAS and...
Brian McLogan
Simplify an expression with a power, (27 . 2) / 3^2
👉 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
Adding two rational expressions by finding common denominators
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Brian McLogan
Simplifying an expression using the rules of exponents
👉 Learn how to simplify expressions using the quotient rule and the negative exponent 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...
Brian McLogan
How to Simplify the Square Root of 32
👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Brian McLogan
Taking the Square Root of a Decimal
👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Brian McLogan
Simplify monomials using law of exponents
👉 Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Curated Video
Simplifying Expressions Using the Standard Algorithm
This video demonstrates the process of expanding expressions with the distributive property and combining like terms. The importance of maintaining equivalent expressions throughout the simplification process is emphasized.
Curated Video
Simplifying Radicals with Imaginary Numbers
In this lesson, students learn how to simplify radicals by using the imaginary unit, "i." They review key vocabulary, such as radican and perfect square factor, and practice simplifying radicals with negative radicans.
Curated Video
Solving Rational Equations Using the Least Common Denominator
In this video, students are taught how to solve rational equations by using the least common denominator. The teacher explains the steps involved in solving proportions and demonstrates how to solve different rational equations. The...
Curated Video
Solving Real World Problems with Rational Equations
This video explains the concept of rational expressions and equations, the importance of checking for extraneous solutions, and the process of solving equations by multiplying by the least common denominator. Through various examples,...
Math Fortress
Algebra I: Grouping Symbols (Level 2 of 2)
This video goes over a couple of examples showing how to simplify and evaluate algebraic expressions with and without grouping symbols.
Khan Academy
Ex 3: Distributive Property to Simplify, Linear Equations, Algebra I
Variables on both sides of the equation are the name of the game in this video, and Sal's easygoing manner and thorough instructions make even complicated algebraic equations look like games. He warms up with two equations to demonstrate...
Khan Academy
SAT Prep: Test 5 Section 3 Part 1
Sal starts a new set of practice SAT problems in this video, starting on page 652 of The Official SAT Study Guide. Problems involve fractions and ratios, simplifying equations, and finding the perimeter of given coordinates on a plane.
Khan Academy
Multiplying Fractions and Whole Numbers: Mixed Number Answer, Pre-Algebra
Here is a great video explaining multiplying a fraction by a whole number. Sal shows students how to put a whole number over 1 to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.
Khan Academy
Example 1: Simplifying Polynomials, Algebra I
At times, polynomial expressions can be very long. Watch this video to see how Sal simplifies them by combining like terms. He explains his process and uses various colors to demonstrate why like terms are alike and why they can be...
Khan Academy
Decimal to Simplified Fraction, Decimals, Pre-Algebra
This video demonstrates how to write a decimal as a fraction and explains why it works. The concept is explained well and presented clearly and straightforwardly. Great for third or fourth graders.
Math Antics
Simplifying Fractions
Could that be any simpler? Pupils learn how to simplify fractions by using three steps; factor, cancel common factors, and then multiply. The video works several examples starting with some basic ones, eventually working up to a more...
Mathispower4u
Negative Exponents - Fractions with Powers Raised to Powers (Example)
Get a little practice. The video contains three examples of simplifying fractions involving negative exponents. Pupils get an opportunity to refresh their knowledge of exponent properties as they watch the presenter use different methods...
Mathispower4u
Simplify an Expression with a Negative Exponent
Recognize the base. Part of a larger Algebra I series, the short video highlights the importance of recognizing the base to simplify expressions with exponents. In doing so, pupils notice the basic property that uses negative exponents.
Mathispower4u
Simplify a Fraction Raised to a Negative Power
Flip the fraction and continue. Given a fraction raised to a negative power, the narrator shows pupils two methods of simplifying the expression. Using different properties of negative exponents, the he demonstrates that either method...
Mathispower4u
Simplify a Quotient of Expressions with Neg Exponents (Adv -2 Methods)
Even with complex quotients, there is still more than one way to simplify an expression. The narrator of a short shows two methods of simplification when dealing with expressions with negative exponents. One method follows the more...
Mathispower4u
Simplify a Quotient of Expressions with Neg Exponents (2 Methods)
Is this method better, or this one? Given a quotient of expressions that involve negative exponents, the narrator of a short video works through two methods of simplification. The first method relies on positive exponents, while the...
Mathispower4u
Simplify a Product of Expressions with Neg Exponents (2 Methods)
Which method works best for you? Using a product, an informative video shows two methods to simplify the resulting expression. One method starts by rewriting the expression with only positive exponents. The other method uses the...