WCSU Math Emporium Video Lessons

WCSU Math Emporium Video Lessons

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Absolute Value of a Number 1 of 15

duration 3 minutes 1 second

Absolute Value of a Number

Absolute Value of a Number

Absolute Value of a Number

Absolute Value of a Number

This video describes what absolute value means, then shows several examples of how to use it.

From Tom Grant

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Tom Grant
Adding and Subtracting Real Numbers 2 of 15

duration 3 minutes 13 seconds

Adding and Subtracting Real Numbers

Adding and Subtracting Real Numbers

Adding and Subtracting Real Numbers

Adding and Subtracting Real Numbers

This video goes over the rules for adding and subtracting signed numbers and then gives several examples.

From Tom Grant

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Adding or Subtracting Radical Expressions 3 of 15

duration 8 minutes 15 seconds

Adding or Subtracting Radical Expressions

Adding or Subtracting Radical Expressions

Adding or Subtracting Radical Expressions

Adding or Subtracting Radical Expressions

This video shows examples of adding and subtracting radical expressions.

From Tom Grant

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Tom Grant
Adding or Subtracting Rational Expressions with a… 4 of 15

duration 3 minutes 45 seconds

Adding or Subtracting Rational Expressions with a…

Adding or Subtracting Rational Expressions with a Common Denominator

Adding or Subtracting Rational Expressions with a…

Adding or Subtracting Rational Expressions with a Common Denominator

Demonstrates how to add or subtract fractions composed of algebraic expressions where the denominators are identical.

From Tom Grant

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Tom Grant
Adding or Subtracting Rational Expressions with… 5 of 15

duration 10 minutes 2 seconds

Adding or Subtracting Rational Expressions with…

Adding or Subtracting Rational Expressions with Unlike Denominators - Part 1

Adding or Subtracting Rational Expressions with…

Adding or Subtracting Rational Expressions with Unlike Denominators - Part 1

Demonstrates a couple of simpler examples of adding two fractions composed of algebraic expressions.

From Tom Grant

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Tom Grant
Adding or Subtracting Rational Expressions with… 6 of 15

duration 5 minutes 5 seconds

Adding or Subtracting Rational Expressions with…

Adding or Subtracting Rational Expressions with Unlike Denominators - Part 2

Adding or Subtracting Rational Expressions with…

Adding or Subtracting Rational Expressions with Unlike Denominators - Part 2

Another example that demonstrates how to add or subtract two fractions composed of algebraic expressions.

From Tom Grant

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Adding Polynomials 7 of 15

duration 1 minute 55 seconds

Adding Polynomials

Adding Polynomials

Adding Polynomials

Adding Polynomials

This demonstrates the procedure for adding two polynomials

From Tom Grant

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Applying Steps for Problem Solving - Part 1 8 of 15

duration 8 minutes 37 seconds

Applying Steps for Problem Solving - Part 1

Applying Steps for Problem Solving - Part 1

Applying Steps for Problem Solving - Part 1

Applying Steps for Problem Solving - Part 1

Explains a set of instructions about how to solve word problems in general, then applies that strategy to a particular example concerning related numbers.

From Tom Grant

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Applying Steps for Problem Solving - Part 2 9 of 15

duration 8 minutes 49 seconds

Applying Steps for Problem Solving - Part 2

Applying Steps for Problem Solving - Part 2

Applying Steps for Problem Solving - Part 2

Applying Steps for Problem Solving - Part 2

Gives a second example of how to apply the general problem solving strategy to a word problem.

From Tom Grant

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Approximating Square Roots 10 of 15

duration 2 minutes 16 seconds

Approximating Square Roots

Approximating Square Roots

Approximating Square Roots

Approximating Square Roots

This shows the process for calculating various roots on a calculator

From Tom Grant

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Combining Like Terms Review 11 of 15

duration 2 minutes 5 seconds

Combining Like Terms Review

Combining Like Terms Review

Combining Like Terms Review

Combining Like Terms Review

This video explains combining like terms again now that the expressions we are simplifying have further sophistication.

From Tom Grant

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Comparing Slopes of Parallel and Perpendicular… 12 of 15

duration 5 minutes 25 seconds

Comparing Slopes of Parallel and Perpendicular…

Comparing Slopes of Parallel and Perpendicular Lines

Comparing Slopes of Parallel and Perpendicular…

Comparing Slopes of Parallel and Perpendicular Lines

This video shows how to recognize pairs of parallel or perpendicular lines with some examples.

From Tom Grant

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Computing Using Scientific Notation 13 of 15

duration 1 minute 44 seconds

Computing Using Scientific Notation

Computing Using Scientific Notation

Computing Using Scientific Notation

Computing Using Scientific Notation

Show how to find a value by leaving numbers in scientific notation and combining the corresponding parts.

From Tom Grant

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Converting from Exponential Notation to… 14 of 15

duration 2 minutes 30 seconds

Converting from Exponential Notation to…

Converting from Exponential Notation to Logarithmic Notation

Converting from Exponential Notation to…

Converting from Exponential Notation to Logarithmic Notation

Explains and demonstrates converting from exponentials to logs.

From Tom Grant

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Converting from Logarithmic Notation to… 15 of 15

duration 4 minutes 22 seconds

Converting from Logarithmic Notation to…

Converting from Logarithmic Notation to Exponential Notation

Converting from Logarithmic Notation to…

Converting from Logarithmic Notation to Exponential Notation

Explains and demonstrates converting from logs to exponentials.

From Tom Grant

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