Tag Archives: Division

How to tell if a Number is Divisible by 8

How to tell if 8 divides into a number. There is a simple test for this. This post explains this.

Divisibility by 4 — Principles & Trick

It is not hard to find out if 4 goes into a number evenly. Here is a trick that shows you how to find out very quickly.

Is Dear Aunt Sally “Batty”?

The phrase Please Excuse My Dear Aunt Sally may be cute, but it is also quite misleading. It leads students to think that they always need to do multiplication before division, which is wrong. You do whichever operation comes first as you read the expression from left to right