# Tag Archives: arithmetic

### Adding Fractions – Then & Now

Check out this photo of two books explaining the addition of fractions – one from 1880 and one from 2009. Continue Reading →

### Hockey Game Expenses – Doing the Math

I got free tickets to a hockey game and then spent way more money than I normally would have. Did they make money off me? Continue Reading →

### Happy Meal Coupon Reveals Lack of Thinking at McDonald's

Lack of thinking caused a local McDonalds to lose me as a customer. Because there was “no button for that.” Continue Reading →

### The Math Behind Carpooling Toddlers

Many people don’t carpool these days because they have to bind children in expensive car seats until they’re 25 years old. If you consider the numbers, though, it just might be worth it to invest in another car seat! Continue Reading →

### PEMDAS and a Stupid Arbitrary Rule

The order of operations is rife with rules created merely for convenience. When teaching these to kids, it’s clear how they see it as a stupid arbitrary rule. Because often it is! Continue Reading →

### Prime Numbers Are Fun to Learn!

A pseudo review of a book I’ve wanted for a while. You Can Count on Monsters by Richard Even Schwartz illustrates the numbers from 1 to 100 – with monsters and factorizations! Continue Reading →

### 3 1/2 Ways to Do Math with Jesus

Seems we have more nativity sets than a family should – so why not do a little math with Jesus and the nativity crew? Continue Reading →

### Gen-Y Math Success at H-E-B!

My trip to the H-E-B pharmacy yielded a pleasant surprise of finding the clerk to be a gen-Y math success! Continue Reading →