Wednesday, November 23rd, 2011 at
2:08 pm

Numbers Numbers are either Real or Imaginary. Real numbers are either Rational or Irrational. All real numbers can be placed on a real number line. Rational numbers include any number that can be written as a fraction or a ratio of two integers, where . Irrational numbers cannot be written as a ratio or…

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Wednesday, November 23rd, 2011 at
1:48 pm

Definition of Order on a number line: If a and b are real numbers, a is less than b if b – a is positive. Inequality Symbols: is less than > is greater than < is less than or equal to is greater than or equal to Subsets of real numbers are called intervals. a, b…

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Wednesday, November 23rd, 2011 at
1:40 pm

Vocabulary needed to understand beginning algebra. 1. Variables –> letters 2. Algebraic expressions –> combinations of letters and numbers 3. constants –> real numbers 4. terms –> parts separated by plus (+) or minus (-) signs eg. has three terms 5. variable terms –> letters –> and 6. constant term –> only a number…

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Wednesday, November 23rd, 2011 at
1:22 pm

Definition for Absolute Value If a is a real number, then the absolute value of a is: eg. , Properties of Absolute Values 1. 2. 3. 4. Watch these free videos and review the concepts of order on the number line and absolute value. Tweet

Wednesday, November 23rd, 2011 at
10:42 am

Check Out This Free Video To Help You Better Understand How To Evaluate Algebraic Expressions: Tweet

Sunday, November 20th, 2011 at
5:24 pm

Math is Everywhere – Grade Five Problem Solving Check out this video showing a grade five class in Canada, using their problem solving skills. Tweet

Wednesday, November 16th, 2011 at
9:20 pm

Addition of Two-Digit Numbers Watch this video showing how to tutor your child to learn to add numbers of two or more digits. Remember to line up the place value of each digit before adding the numbers together. Tweet