From time to time, a tutor might get asked questions about electric circuits. In the context of tutoring or just for general interest, the maximum power transfer theorem is nice. I last studied electronics about twelve years ago. Ideas from …
Circuit analysis: The maximum power transfer theorem Read more »
Tutoring high school chemistry, you’re asked this every year. The tutor shows a simple example of how to find the empirical formula. Back on September 12, I wrote a post on percent composition. Finding the empirical formula can be the …
Tutoring English, especially business or essay writing, you might be asked about the right preposition to use. The tutor shares a gem he found in an old textbook. The phrases “absolved of guilt” or “absolved of any wrongdoing”, though I’m …
The tutor points out a habit some people don’t realize they have, yet it nickels and dimes them out of marks. It often comes up during tutoring…. Consider the following expression: Of course, we know this expression must equal …
Tutoring Biology 12, you cover this concept. The tutor approaches it from a simple, practical point of view. You normally hear about monomers and polymers in organic chemistry. Think of the name polyester: it’s a polymer of esters. The esters, …
Tutoring high school English, you focus on essay writing. The tutor discusses an issue he remembers from long ago…. One time when I was in grade two (yes, that long ago), we were writing stories for creative writing. Our desks …
Tutoring high school math, you might help students whose equation solving skills are rusty. The tutor shows a technique students must know…. Equation solving can be like fitness. A student can be good at it, but then get out …
Tutoring high school chemistry, the mole is a central theme. The tutor shows, explicitly, how to find the molar mass of a compound. Back on Sept 15 I opened the discussion about what a mole is. Whether or not students …
Tutoring chemistry, you’re likely asked about this every year. The tutor shows an example. Solubility, in chemistry, is the ability of a solute (the chemical being dissolved) to achieve dissolution in a solvent (the liquid that the solute dissolves into, …
Tutoring statistics, you talk about the median vs the mean. While the mean is probably used more (because of its involvement in the normal distribution), the median is preferred in some applications…. Back in my May 6 post, I briefly …
Statistics: why the median might sometimes be preferred over the mean Read more »