Math Web Apps and critical thinking math sites

Here is a  link to math apps that students can explore on the web at home to practice the skills and concepts we are learning in the classroom. 

https://www.mathlearningcenter.org/resources/apps

math vocabulary cards
https://www.mathlearningcenter.org/resources/apps/math-vocabulary-cards


Steve Wyborney's site understanding multiplication: 
http://www.stevewyborney.com/?p=542

Division on a number line
https://www.youtube.com/watch?v=_K_EcLUnv6k