Math Student Help

When rounding decimals, round up to the next digit in the sequence if the digit is equal to or greater than five. Round decimals to specific decimal places using tips from a math tutor in this free video on math skills.

Expert: Alex Martinez
Bio: Alex Martinez grew up in western Massachusetts and is currently a mechanical engineering student at the University of Massachusetts at Amherst. He’s set to graduate in 2009 with a Bachelor of Science.
Filmmaker: David Pakman

Duration : 0:1:28

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How to solve linear equations that contain fractions. This is video 7 of 51 in the solving equation series. The next three series are “Word Problems”, “Factoring” and “Graphing”.

Duration : 0:4:28

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This video covers sovling multi-step equations that contain decimals. It includes three examples.

Duration : 0:7:2

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1-7, number properties and absolute value equations

Duration : 0:12:2

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A mixed number is a number that contains both whole numbers and fractions. Change mixed numbers into decimals by creating a simple fraction and turning the fraction into a percentage with tips from a math teacher in this free video math lesson.

Expert: Steve Jones
Bio: Steve Jones is an experienced high school mathematics and science teacher.
Filmmaker: Paul Volniansky

Duration : 0:2:20

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In math, factoring by grouping means that the greatest common factor needs to be found. Factor four different terms through grouping with help from a math author and teacher in this free video on math lessons.

Expert: Brian Leaf
Contact: www.brianleaf.com
Bio: Brian Leaf, MA, is the author of McGraw-Hill’s “Top 50 Skills for SAT/ACT Success” series.
Filmmaker: David Pakman

Duration : 0:2:30

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Access full lesson containing this video at: http://www.yourteacher.com/algebra2/systemsofequationsfractions.php Students learn to solve systems of linear equations that involve fractions. Students also learn to solve linear systems of equations by the method of their choice using the following rules: if one of the variables cancels out when the equations are added together, then use addition, and if a variable is already isolated in one of the equations, then use substitution.

Duration : 0:3:22

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Multiplying with decimal points is the same as any other multiplication problem, as long as the amount of decimal points for each number is noted. Move the decimal left for the number of decimals in a multiplication equation with help from a math teacher in this free video on using decimals in math.

Expert: Jimmy Chang
Contact: www.wearehdtv.com
Bio: Jimmy Chang has been a math teacher at St. Pete College for more than nine years. He has a master’s degree in math and his specialties include calculus, algebra, liberal arts math, and trigonometry.
Filmmaker: Christopher Rokosz

Duration : 0:2:17

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Write a decimal as a percent by multiplying the number by 100 and moving the decimal point two places to the right. Calculate percentages from fractions and decimals using tips from a math tutor in this free video on math skills.

Expert: Alex Martinez
Bio: Alex Martinez grew up in western Massachusetts and is currently a mechanical engineering student at the University of Massachusetts at Amherst. He’s set to graduate in 2009 with a Bachelor of Science.
Filmmaker: David Pakman

Duration : 0:1:39

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A demonstration of how to use the abacus for calculating subtraction equations.

Duration : 0:1:20

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