Each concept will have a link to some BASIC problems you can do. Other study materials are up to you to find. GOOD LUCK :) WE BELIEVE IN YOU!!!
The links to the textbook can be found on the homepage of this website!
GoMath Text book pages 457/461/465/471/475/479-480/491-492/493-494/497/505/509-510-511/515/523-524
Practice Book P235/P236/P243/P244/P245/P249/P251/P253/P257
Also, Review The video segments that go with each concept for review :)
Mean, Median, Mode, Range:
https://www.ixl.com/math/grade-6/calculate-mean-median-mode-and-range
https://www.ixl.com/math/grade-5/calculate-mean-median-mode-and-range
https://www.ixl.com/math/grade-7/calculate-mean-median-mode-and-range
Range and Interquartile Range