Search for tag: "multiply"

Synthetic division

This demonstrates why symthetic division works when dividing by a simple binomial as in x + a or x - a. Then it shows how to fill in the answers for this type of question.

From  Tom Grant 15 plays 0  

Finding the value for a new score that will yield a given mean

Describes an algebraic method for finding what you need for your next score to achieve a certain average or mean.

From  Tom Grant 29 plays 0  

Solving for a variable in terms of other variables using addition or subtraction with division

Another in a series aobut solvingi equations with multiple variables, this time taking two steps to do it/

From  Tom Grant 13 plays 0  

Multiplicative property of equality with signed fractions

Multiplying both sides by the reciprocal of the variable's coefficient in order to get the variable alone and keep the equation balanced.

From  Tom Grant 36 plays 0  

Signed fraction division

A couple of examples that combine sign combinations for diviision and using Keep/Change/Flip to convert fractioinal division to multiplication.

From  Tom Grant 13 plays 0  

Converting a fraction to a terminating decimal: Basic

Conversion using long division if you don't have a calculator handy.

From  Tom Grant 11 plays 0