Search for tag: "positives"

Finding the LCD of rational expressions with quadratic denominators

Each denominator is factored and then any common factor is used only once and all other unique factors complete the LCD

From  Tom Grant 5 plays 0  

Addition and subtraction with 3 integers

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 negatives and postives working in…

From  Tom Grant 11 plays 0  

Evaluating functions: Linear and quadratic or cubic

Speaks to the meaning of f(x), i.e. function notation. Then demnstrates how to get the value of two different functons given the input value.

From  Tom Grant 97 plays 0  

Solving a two-step equation with signed fractions

Shows how to get rid of fractions early by multiplying through an equation by the LCD of all of the fractions.

From  Tom Grant 17 plays 0  

Additive property of equality with a negative coefficient

Solving two step equaionts being careful with the signs.

From  Tom Grant 23 plays 0  

Order of operations with integers

Three quick examples that show the order in which we simplify different opertions in arithmetic.

From  Tom Grant 13 plays 0  

Signed fraction subtraction involving double negation

Some examples of what to do when subtracting a negative number and more examples of adding or subtracting fractions

From  Tom Grant 16 plays 0  

Plotting integers on a number line

Just a quick demonstratioin of putting dots and coordinates on a line graph.

From  Tom Grant 17 plays 0