The Prosveshcheniye platform offers specific collections of independent works for these textbooks.
Самостоятельные и контрольные работы к учебникам Герасимов, Пирютко, математика 5-6 класс. gdz dlia klassa po samostoiatelnym rabotam
Often used for additional practice and assessment in middle school. Algebra & Geometry (Grades 7-9): gdz dlia klassa po samostoiatelnym rabotam
A very popular series containing multi-level independent and control works for Grade 5 and Grade 6. gdz dlia klassa po samostoiatelnym rabotam