fbpx

Why we need worry and pain

There are those who say that it is pointless worrying, and I largely agree. But worry, like pain is an important survival mechanism. Let’s say that your business has taken an unexplained downward turn. Cash is drying up and you wake up in the night and worry about the cash…

Read More

When is a rose a rose?

In Romeo and Juliet William Shakespeare wrote “A Rose by any other name will smell as sweet”. But what about a Stinking Corpse Lily (see image)? If you call it a rose, will it still stink? I guess Eskom thinks it would actually smell like a rose? As in “These…

Read More

Understanding opportunity cost

An opportunity cost is the cost of choosing not to do something. Here’s an example. You are self employed and have booked a holiday overseas at a cost of R90 000 plus airfare of R20 000. Just before your holiday is about to start, you get an offer to present…

Read More

Extreme sudoku

Three years ago, I wrote an article titled In search of the quickest way to solve Sudoku puzzles. Oh my! How embarrassing. At that stage, I was doing “Expert” Sudokus and thought that was the end of the road. All I could do from there on out was to…

Read More

The human portrait

I’ve recently taken up coloured pencils and attempted to learn to use them. I find that I am drawn to portraiture and that I like to use only three coloured pencils – red, yellow and blue. When my daughter and son-in-law visited us recently, we took them to a beach…

Read More

Cause or consequence?

If A gets bigger whenever B gets bigger, did A cause B or did B cause A?┬áThis correlation is so often misinterpreted that it probably led to the expression “Lies, damned lies and statistics” Correlation can be positive (both things increase together) or negative (when one goes up, the other…

Read More

When is a cost a “sunk cost”?

You run your own company. It’s doing well, so you have been able to book and pay for a two week cruise at a cost of R80 000 plus airfare of R10 000. Just before your holiday is about to start, you get an offer to present a series of…

Read More

When to put a comma before “and”

I was brought up to believe that “and” was never preceded by a comma. My daughter said it always is (she loves her commas). Seems we were both wrong. Evidently, these are the rules – You can list A, B, and C as in James, Thabo, and Rista had a…

Read More

How Covid changed my life

No, I didn’t catch Covid, at least, not yet. But it’s interesting to look back on these past two years and see the effect of the pandemic on my life and that of many like me. Enter Covid. Enter Zoom. Exit Derek. Before Covid came onto the scene, most of…

Read More

High level Dominoes

Here’s the next level of the game – Level 3 Same as Level 2 except that when a player lays down a domino that brings the total of the two ends to a multiple of 5, they add that total to their score. This player scored 6 + 4…

Read More

Lies, damned lies and statistics

You see it so often on your news feed. A headline something like this – Researchers have found that 70% of road accidents happen within 5km of the drivers home. “It appears that as drivers leave or approach their home they pay less attention to their driving. Perhaps because they…

Read More

Anyone for dominoes?

Drag your child away from the TV and the smart phone, and play dominoes with him or her! Why? Because it is great for their brain and mental arithmetic. There are different levels of the game which will be appropriate for different levels of child development. The level at which…

Read More

How to choose your school

I belong to the Facebook community group “People who live in Midrand” and occasionally see someone asking for recommendations as to the best school for their child. The result is that someone or other recommends just about every school in the area. So, really, the question was a waste…

Read More

The end of 2021 was a time for fun!

2021 was a tough year for learners and educators alike and I guess 2022 will continue with similar challenges. But, at least the year ended with a bit of fun at the Mall, where the leaners went for an end-of-term lunch and a chance to climb on the playground…

Read More