### Class Codes

**Delta Math** To join my class, go to https://www.deltamath.com/ and either log on or create a new account. The teacher code is **559492**

**Khan Academy** To join my class, go to https://www.khanacademy.org and either log on or create a new account. Then select “Coaches” and enter this under “Join a class”: **VR3JMK94**

### Useful Sites

McDougal Littell (additional practice related to the book)

Khan Academy (add @mrhartzer as your teacher if you wish)

Desmos Calculator (online graphing calculator)

GeoGebra (online/downloadable geometry software)

Wolfram|Alpha (comprehensive online mathematics problem solver)

Wolfram MathWorld (comprehensive online mathematics encyclopedia)

Math Games (practice basic K-8 skills)

YouCubed (additional videos about learning mathematics)