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This video describes what absolute value means, then shows several examples of how to use it.
Absolute Value of a Number
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This video goes over the rules for adding and subtracting signed numbers and then gives several examples.
Adding and Subtracting Real Numbers
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This describes how integers interact when combined, treating minus signs as a negative sign on the number and thinking that all of the integers are being added with…
Addition and subtraction with 3 integers
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How to factor the denominators to find the necessary factors for the least ccommon denominator, then adjust the fractions to be equal versions with that LCD and combine…
Addition or subtraction of fractions with…
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How to add o r subtract two fractions with like denominaotrs and then reducing the result as needed.
Addition or subtraction of fractions with the…
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Using the proportion %/100 = Amount/Base to plug in what's given to find what is asked for.
Applying the percent equation: Problem type 1
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This shows the process for calculating various roots on a calculator
Approximating Square Roots
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Just add the two together and dvide by two, but this is also handy to find the halfway point between two numbers on a number line.
Average of two numbers
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Adding like terms when there are squared variables as well as single variables in the expression
Combining like terms in a quadratic expression
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This video explains combining like terms again now that the expressions we are simplifying have further sophistication.
Combining Like Terms Review
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Three examples of adding like terms with both positive and negative coefficients
Combining like terms: Integer coefficients
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An introduction to adding like terms to simplify expressions
Combining like terms: Whole number coefficients
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Fraction conversions that are simpler than they look.
Converting a fraction to a percentage:…
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Conversions using money as a way to think them through.
Converting a fraction to a percentage:…
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Using long division to change a proper or improper fraction to its decimal value - repeating or terminating are the only possibilities.
Converting a fraction to a repeating decimal:…
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Conversion using long division if you don't have a calculator handy.
Converting a fraction to a terminating decimal:…
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