There are two sets of algebraic identities usually taught at the school level - (i) the quadratic ones and (ii) the cubic ones. Both can be modeled in a low-cost way.
Exponentiation with natural number bases can be model as branching of trees. These branching modules can be easily made by straws by cutting and stapling them.
MS Khilora Government School has 107 students in classes VI to VIII and a somewhat equal gender distribution. Baring a few, students mostly come from the neighbouring farmer community.