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Review for You: Multiplication and Properties
Mr. Addit reviews several aspects of multiplication and properties of multiplication.
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Multiplication
Mr. Addit shows three methods for finding the answer to multiplication problems: repeated addition, skip counting, and using an array.
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Writing Algebraic Expressions Using Exponents
In this video, we'll be discussing how to rewrite algebraic expressions using exponents. This is a helpful skill to have if you're struggling with algebraic expressions or if you just want to learn more about exponents.
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What are Prime Numbers?
This video explains what prime numbers are and answers the question, "Is 1 a prime number?" In addition to the definition and explanation of what prime numbers are, I have included a practice problems as well.
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Subtracting Unlike Fractions
Do you need to learn how to subtract fractions with different denominators? In this video, I will show you how to subtract a pair of fractions with different denominators. I will show you the process of finding a common denominator,...
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Subtracting Mixed Numbers
Do you need to learn how to subtract mixed numbers with different denominators? In this video, I will show you how to subtract a pair of mixed numbers with different denominators. I will show you the process of finding a common...
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Understanding Powers and Exponents
This video explains the concept of powers and exponents. Through clear examples and non-examples, she demonstrates how to correctly calculate the value of a power by multiplying the base to itself as indicated by the exponent.
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How to Find the Order of Rotational Symmetry
This video explains what rotational symmetry is, and how to find the order of rotational symmetry of a shape. Practice questions and answers are at the end of the video. This is an updated, 4K version of our previous video.
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Exponents Explained
This video explains what exponents are and how we use them. Exponents are also known as powers or indices. Practice questions and answers are at the end of the video.
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Order of Rotational Symmetry of a Circle
This short video explains why the order of rotational symmetry of a circle is infinite.
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How Do Clichés Evolve into Memes?
Adaptable clichés called "snowclones" are EVERYWHERE on the internet. We use them for memes, inside jokes, to show our membership of the group. But they weren't invented online. In fact, they're way older than you think!
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Remainders
Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers, and he explains what happens when there is a remainder.
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Dividing Three-Digit Numbers by One-Digit Numbers
Mr. Addit demonstrates how to divide three-digit numbers by one-digit numbers.
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Dividing Two-Digit Numbers by One-Digit Numbers
Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers by using multiplication facts.
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Review for You: Division With Remainders
Mr. Addit reviews place value division with and without remainders.
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Multiplying Three-Digit Numbers by One-Digit Numbers
Mr. Addit demonstrates how to multiply three-digit numbers by one-digit numbers by using the partial products method.
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Multiplying Using the Partial Products Method
Mr. Addit demonstrates the partial products method of multiplication. He also models multiplying two-digit numbers by one-digit numbers.
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Review for You: Multi-Digit Multiplication
Mr. Addit reviews multiples and how to multiply 2 and 3 digits by one digit.
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Factors
Mr. Addit explains how to find factors of a number by using the multiplication facts we know.
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Dividing by 3 and 4
Mr. Addit reviews division by 3 and 4 and demonstrates once again that division is the opposite of multiplication.
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Working with Division
Mr. Addit introduces the terms divisor, dividend, and quotient. He also demonstrates how to write a division problem.
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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.
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Understanding Multiplication Problems
Mr. Addit reviews keywords for addition and subtraction problems and introduces keywords for multiplication problems. He also explains the four parts of a multiplication problem.
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Review for You: Solving Multiplication Word Problems
Mr. Addit reviews how to solve multiplication word problems.