New Marbleslide Challenges

I've been periodically adding Marbleslide Challenges to the master list, and I just added a few more. If you didn't read my original post where I explained how I implement these in my classes, check it out here. Enjoy!

Challenge #9 - https://teacher.desmos.com/activitybuilder/custom/58b835a98e2aabb51caed84f

Challenge #10 - https://teacher.desmos.com/activitybuilder/custom/58f9f949bd944f372ffb85d2

Challenge #11 -  https://teacher.desmos.com/activitybuilder/custom/58fa008f773fad060efb8963

Challenge #12 - https://teacher.desmos.com/activitybuilder/custom/58fa0259e0d8b633f260dd64/