10
Mental Actions of the Covariational Reasoning Framework

MA1) Coordinating one variable with changes in the other variable

MA2) Coordinating the direction of change in one variable with changes in the other variable (e.g., increasing, decreasing)

MA3) Coordinating the amount of change of one variable with changes in the other variable

MA4) Coodinating the average rate of change of one variable (with respect to the other variable) with uniform changes in the other variable

MA5) Coordinating the instantaneous rate of change of one variable (with respect to the other variable) with continuous changes in the other variable
(Carlson, Jacobs, Coe, Larsen, Hsu, 2002)