Math for Trades! Unit 3

Lesson 15

Watch the following video on the basics of the Speed Square.  Answer questions in your booklet as you go!

The 3-4-5 Triangle

This can be used to make sure a wall is 90 degrees.

Lesson 16

How to Find the Price of an Item including Tax

Quick Method!  How to Find the Price of an Item 

How to Find the Sale Price of an Item

Quick Method!  How to Find the Sale Price of an Item