Unit+2Equations

http://mathsfirst.massey.ac.nz/Algebra/rearrFormulae/rearr.htm http://www.algebra4children.com/Make_subject_of_formula_quiz.html http://www.bbc.co.uk/apps/ifl/schools/gcsebitesize/maths/quizengine?quiz=formulaehighertest&templateStyle=maths

http://www.ixl.com/math/grade-8