It’s difficult to subtract using borrowing in your head. Here’s what I do instead. I suck at doing introductions almost as much as I do borrowing, so instead I’m just going to get into the meat of the matter. Subtracting from large round numbers To subtract from large round numbers…

I am a YouTube influencer. Perhaps you’ve heard of me. I’m Dr Karen from Dr. Karen’s Math Hacks. I have literally DOZENS of subscribers, some of which are even people who aren’t my immediate friends or family! People have actually told me that my videos, get this, “actually make sense”…

A resource for people who have trouble with math (a.k.a a blatant plug for my YouTube channel). First let me say that I make no money from this channel. (To make money on YouTube you need hundreds of thousands of subscribers and sponsors.) My experience is that people who are…

Our feelings can’t be trusted because they lie to us. All. The. Time. I was conversing through Medium comments the other day with someone who didn’t understand why people would use restrictive, unsustainable diets that don’t work rather than methods we know that DO work. I told them it’s because…

I was talking with a coworker at one of my jobs about scheduling some time off so I could work another of my jobs when she said “You live such an interesting life!” I was momentarily stunned. I’ve worked multiple jobs to get my bills paid for about 15 years…

“People tell me that they wish they were as creative as I am, but they really don’t” said my sister. We were talking about life in general, and specifically creativity. I’m a fairly creative person, but my sister (and a couple friends of mine) leave me in the dust. People…

Some of the work I do is in Deadhorse, Alaska, also known as Purdue Bay, the start of the trans-Alaskan pipeline. The picture above is the building I work in, giving “back to the office” a whole new meaning. Deadhorse is a whole different world than anything most people ever…

While we are all protagonists of our own story, some of those stories are rather boring. What if life is a story, but I’m not the main character? That would explain a lot. (I certainly don’t have the wardrobe for it.) What if my life, my very reason for existing…

I’ve always had a problem keeping pints and quarts straight and doing conversions using Imperial units. When I had to teach these conversions, the problem became urgent enough for me to do something about. …