Resources for helping your student can be found at: https://sites.google.com/wcpss.net/k-12mathematics/middle-school-math-courses
Open-Up Resources online book/extra resources: https://openupresources.org/math-curriculum/
Mr. Morgan's teaching videos: https://altasierra.cusd.com/Math6.aspx
Khan Academy: https://www.khanacademy.org/math/6th-grade-illustrative-math