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Pre-Algebra 21 - Exponentiation
Exponentiation is shorthand for repeated multiplication, just like multiplication is shorthand for repeated addition. Multiplied or divided exponential terms with like bases can be combined by adding or subtracting their exponents.
Curated Video
Exploring Division
Mr. Addit explains that backwards skip counting is the same thing as division, in the same way that forward skip counting is the same thing as multiplication. He then models solving some division word problems.
Brian McLogan
How to use long division to divide two polynomials
👉 Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...
Curated Video
Algebraic notation
Pupil outcome: I can use the particular conventions of algebraic notation and understand that following these aids clear communication. Key learning points: - Expressions involving repeated addition can be written more simply. -...
Curated Video
Simplifying Expressions with Order of Operations
In this video, you will learn how to simplify whole number expressions using the order of operations. The lesson introduces the acronym GEMDAS, which stands for grouping, exponents, multiplication, division, addition, and subtraction, to...
Curated Video
Converting Between Units: Using T-Charts
This video lesson teaches the concept of equivalencies between units and demonstrates how to solve conversion problems using multiplication and division. The lesson also shows how T-charts can be used to solve word problems and answer...
Brian McLogan
Learn to divide a polynomial by a monomial
👉 Learn how to divide polynomials by a monomial using the long division algorithm. A monomial is an algebraic expression with one term while a polynomial is an algebraic expression with more than one term. To divide a polynomial by a...
Curated Video
Dividing by 6, 7, and 8
Mr. Addit reviews ways to learn division facts for 6, 7, and 8.
Curated Video
Dividing by 11 and 12
Mr. Addit reviews division by 11 and 12 and provides a few strategies to memorize those facts.
Curated Video
How to Identify and Use Algebraic Properties
This video will introduce, explain and model how to use the Commutative Property, Associative Property, Distributive Property, Identity Property and Inverse Property. We will review how these properties apply or do not apply to...
Curated Video
Solve problems involving the 3, 6 and 9 times tables
Pupil outcome: I can solve problems involving the 3, 6 and 9 times tables. Key learning points: - Knowing the 3 times table can help you to solve problems - Knowing the 6 times table can help you to solve problems - Knowing the 9 times...
Curated Video
Sketch and Factorize Cubic Functions
The video is a lecture presentation on sketching and factorizing cubic functions. The speaker explains the general shape of a cubic function and key trends to know such as three roots, two roots, and one root. The speaker also...
Curated Video
Checking and securing understanding of the commutative and associative laws
Pupil outcome: I can state the commutative and associative laws and use them to calculate efficiently. Key learning points: - Addition is commutative and associative. - Subtraction is neither commutative nor associative. - Multiplication...
Curated Video
Why is a Circle 360 Degrees, Why Not a Simpler Number, like 100?
A circle is 360 degrees But have you ever thought why is a circle not a simpler number, like 10 degrees or 100 degrees? As it turns out 360 is actually a very good number. From a purely mathematical standpoint, a number like 10 or 100...
Science ABC
Why is a Circle 360 Degrees, Why Not a Simpler Number, like 100?
A circle is 360 degrees But have you ever thought why is a circle not a simpler number, like 10 degrees or 100 degrees? As it turns out 360 is actually a very good number. From a purely mathematical standpoint, a number like 10 or 100...
Curated Video
Order of Operations
Evaluate expressions that contain exponents according to the order of operations.
msvgo
Identification of Number Patterns
This nugget teaches students to identify the number patterns in a given sequence and extend the pattern in the sequence.
Curated Video
Shopping with Sara (Solve multistep word problems by using equations with a letter for the unknown)
Sara needs school supplies. She needs 5 notebooks, 4 folders and 1 pencil case. A pencil case costs 6 dollars, while a folder costs 5 dollars and a notebook costs 2 dollars. How much money does she need to buy all the supplies?
Curated Video
What voter suppression looks like online
Institute for New Economic Thinking
Michael Greenberger: Setting the Stage for the Next Financial Crisis
Proprietary trading by Wall Street banks precipitated the 2008 financial crisis that resulted in a near 13 trillion dollar bailout by American taxpayers of Too Big To Fail financial institutions. As early as 2007, Morgan Stanley...
Mathispower4u
Multiply and Divide Integers
Conquer two operations with just one rule. Viewers of a short YouTube video learn how to multiply and divide integers. They first consider multiplication as repeated addition, then learn to apply integer rules for multiplication and...
Scholastic
Study Jams! Multiplication
What does baking cupcakes have to do with multiplication? Watch this video and find out as your class learns that multiplication is the repeated addition of equal groups. Properties of multiplication are also introduced with...
Northeast Arkansas Education Cooperative
Simplify Algebraic Fractions by Factoring 2
Take your class through the mechanics of simplifying algebraic fractions by factoring trinomials. Though the steps for factoring are assumed known, the process of identifying and canceling common factors are detailed with...
Sophia Learning
Sophia: Dividing 2 Digit Numbers by 2 or 3 Digit Numbers Repeating: Lesson 13
This lesson demonstrates division of two digit numbers by either two or three digit numbers, where the answer will contain a repeating decimal. It is 13 of 18 in the series titled "Dividing Two Digit Numbers by Two or Three Digit Numbers...