Divisibility by 3, Divisibility by 9
During math tutoring, no matter what the level, the front line is arithmetic. In that spirit, here’s a handy trick to tell if a number is divisible by 3: Add up the digits. If the sum is divisible by 3, then so …
Author: Jack
French: passé composé, imparfait, and plus-que-parfait: when to use them.
Hello: Well, today I thought we’d discuss some French: specifically, the passé composé, the imparfait, and the plus-que-parfait. In what situation do you use each? The passé composé is the first way to express the past tense that I learned in high school. It …
French: passé composé, imparfait, and plus-que-parfait: when to use them. Read more →
Simplifying Radicals…part I
Hello. One of the most dreaded topics in high school math – as you’ll quickly find out if you do math tutoring – is radicals. Well, here’s our first math post: simplifying radicals. Today, we’ll look at square roots only. …
Testing, testing…
Good afternoon. This is the first blog entry by Oracle Tutoring, Campbell River, BC. We tutor math, chemistry, physics, biology 12, English, French, and science. We will be doing posts that help with specific problems or queries in the subjects above. …
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