Stop writing long sets and start using the shortcut! In this video, we master Interval Notation for Grade 10 Math. You'll learn the "Golden Rule" of Real Numbers, when to use square vs. round brackets, and how to handle infinity symbols without losing marks in your exam.
🚀 FREE RESOURCE: Download your Interval Notation & Number Line Study Guide here: https://tinyurl.com/aref7arv
Timestamps:
0:00 - Intro: The Math Shortcut
0:54 - The Golden Rule (Real Numbers Only!)
1:31 - Rule 1: The Square Bracket [ ]
1:58 - Rule 2: The Round Bracket ( )
2:15 - Rule 3: The Infinity Rule
2:37 - How to Translate Number Lines to Brackets - 4 Examples
7:36 - 5 Practice Problems to try yourself first
13:49 - Outtro