Math: algebra tiles
Tutoring math, you might explain algebra tiles a few times a year. The math tutor introduces them. If algebra tiles existed when I was in school, I never saw them. Everything back then was symbolic, and teaching didn’t have …
Author: Jack
English: subordinating conjunctions: while
Tutoring English, a constant question is how to keep writing fresh. The English tutor discusses his recent satisfaction with the word while…. Continuing, generally, the discussion about complex sentences that began with my last post, I’d like to tell you …
English: the complex sentence
Tutoring high school English, sentence variety is a constant concern. It’s the same situation for college students and writers. The English tutor shares one commonly known – and appreciated – type of sentence. Definitely, one preferred structure in high school …
Math: counting: multiply or add
Tutoring math 12, you may discuss counting problems. The tutor offers a quick guide for when to multiply vs when to add. One question you’re sometimes asked about counting is when you multiply, vs when you add. The answer is …
Math: div and mod
Tutoring math, you know that div and mod are also fundamental to computer science. The tutor presents them with an example. Consider the age-old long division situation: In this case, the question posed is “30 divided by 7”. The answer …
Math: radicals: rationalizing the denominator
Tutoring math, you cover this topic with students in late middle school or early high school. The math tutor shows the first case. This article assumes that the reader is familiar with multiplying radicals. If necessary, see my article here …
Math: multiplying radicals
Tutoring high school math, you realize that radicals are a problem for many. Today the math tutor gives brief coverage of multiplying radicals. Consider the following example: Simplify 3√(6)*4√(7) Multiplying with radicals goes “number times number, radical times radical.” Like …
Organic chemistry: a beginning
The tutor knew that eventually, he would discuss organic chemistry. While it might be mentioned only briefly in high school, it is important at university. Organic chemistry is a bit different from the chemistry most students are first taught. Yet, …
Math: Finding the slope of a line
Tutoring math, you know this skill is essential. The math tutor provides a quick explanation and example. The concept of slope is known to all in everyday life. In math, it is defined as follows: slope=rise/run=m=(y2-y1)/(x2-x1) Indeed, slope is often …
Biology: diffusion
When you tutor biology, molecular movement and transport are topics you need to explain. Front and centre is diffusion. Diffusion is the tendency of particles to move from an area of high concentration to lower concentration. It happens spontaneously, meaning …