## Associative Property – part 1Algebra, Question of the Day, Side Learning

by on July 20, 2012 with Comments Off on Associative Property – part 1 comments

The Associative Property refers to grouping numbers. We will see that regrouping numbers is easy in addition and multiplication. And computations that regroup numbers use the Associative Property. In addition, the rule is: a + (b + c) = (a + b) + c Let’s look at an example! 2 + (3 + 4) = …

## Solving linear equations – How many solutions can you find?Algebra, Question of the Day, Side Learning

by on June 29, 2012 with 1 comments

Today’s Question of the Day: How many solutions can you find for a system of linear equations? Case 1: Infinitely Many Solutions Solve for x and y. y = 2x – 1 2y = 4x – 2 Answer: Upon first comparison, the equations look different. However, if we divide the second equation by 2, we …

## Order of Operations – Do I add or multiply first?Algebra, Question of the Day, Side Learning

by on June 28, 2012 with 1 comments

Today’s Question of the Day: Have you ever had a problem like this? Simplify 1 + 4 * 3 / 2 – 5 Do you ever find it confusing whether to add to multiply first? Or just don’t know where to start? To simplify in the correct order, we use PEMDAS, which stands for: Parentheses …