I'm Bon Crowder and the photos above are both of me - in 1989 and today. I'm a Generation X mom of Generation Z kids.

I began peer tutoring in high school in 1984. MathFour.com is the 2015 version of me helping peers be comfortable in math.

If you're a Gen-X parent, you're in the right place!

# Category Archives: Algebra

### Does PEMDAS Freak You Out?

Remember the Order of Operations? How about PEMDAS?

Just seeing those letters might send your blood pressure up.

But you can breathe easy now. Because, as you likely suspected all along, it’s wrong.

Check out this video by the YouTube guys at Minute Physics.

My favorite quote is

###### Focusing on the order of operations can lead to ambiguity and obscures the real, underlying, and often beautiful mathematics.

And I laughed out loud when I got to 2:23 in the video – the “real” order of operations:

1. Use Parenthesis
2. Learn Math
3. Be Free!

What are your thoughts on this? Have your kids reached the age where they’re learning it, around 4th or 5th grade?

What will happen in your house if you tried the “Pedantic Order of Operations” shown?

### Don’t Translate English to Math Backwards

Translating english sentences into their math counterparts can be tricky. Especially for the ones that always want to end up backwards! Continue Reading

### Inverses are the Ctrl-Z of Math

Life may not have an undo button, but many things in math do – we call them inverses! Continue Reading

### Fractions vs. Decimals – A Mudslinging Campaign

In the campaign of fractions vs. decimals, which do you pick? Continue Reading

### The Next Step in Math Problems is Up to You

There is a do and undo in math – you have to pick. And like picking your nose, YOU have to do it! Continue Reading

### Equations vs. Expressions

They sound alike. The look alike. But what is the difference between equations and expressions? And does it even matter? Continue Reading

Squaring seems easy, until you get lazy! Continue Reading

Step 1 to solving a word problem is “get the answer,” not, “define the variables.” Continue Reading

### The Absolute Value of a Number is Always…

Absolute Values of numbers might be simple, but when you start using letters with them, watch out! Continue Reading

### Not Everything That Matches will Cancel

Often we cancel things in expressions and equations. But not everything that matches will cancel! Continue Reading

# MathFour.com

Calming generation X in math since 1985.

Want more? Check out the Facebook Group Empowering Parents to Tackle Math . Or sign up for one of the parent support online classes!