May 7, 2021 Craig BartonAlgebra, Formula, Function Machines Linking Function Machines with Substitution and Solving Equations View
October 12, 2020 Craig BartonAlgebra, Formula Rearranging formulae where the subject appears twice View
October 15, 2019 Craig BartonAlgebra, Formula Rearranging formulae with powers and roots – Part 2 View
February 18, 2019February 18, 2019 Craig BartonAlgebra, Formula Changing the subject of a formula: one step addition View
February 18, 2019February 18, 2019 Craig BartonAlgebra, Formula Changing the subject of a formula: one step subtraction View
January 15, 2019January 15, 2019 Craig BartonAlgebra, Formula Changing the subject of a formula (6 exercises) View
