Abstract
Many errors in arithmetical
computation are systematic; they
are learned and have become
habitual. This paper investigates
two methods of instruction for
correcting systematic errors and
promoting knowledge growth for
the subtraction algorithm in upper
primary students: (1) structured
reteaching, linking symbolic
procedures to concrete/pictorial
representations; and (2) the Old
Way/New Way (D/N) technique,
based on proactive inhibition.
O/N was successful in changing
computational knowledge
expediently and fairly effortlessly
while the conventional approach
proved less successful.
S. Dole and T.J. Cooper
Errors As Springboards For Remediation Of Year 7 Students Subtraction Knowledge