Categories
Algebra 1 Algebra 2 Math Math Analysis Pre-Calculus

From Low to High with Absolute Value

For those of you who know how to solve absolute value inequalities, here is how they also mean something like “numbers between 8 and 14.”

Categories
Algebra 1 Math

Fraction Exponents

What are fraction exponents? Why is x=∛x? Here’s an explanation.

Categories
Algebra 1 Math

The Zero Power

You probably already know that 20=1. In fact any number to the power of 0 is one. But why?

Categories
Algebra 1 Math Word Problems

Algebra 1 Word Problems Involving Motion

A lively presentation of how to solve a two different word problems involving motion, using distance = rate * time. The text is a little small so click the “full screen” option to really see it. (I’ll redo this eventually — still learning ins and outs of Zoom!)

Categories
Algebra 1 Math Word Problems

Saved by a Word Problem

A lively and amusing example of using “guess and check” to write an equation to solve a word problem which got me out of a jam. Just like we teachers always tell you might happen someday: this really happened to me!