This study aims at determining of cut-off score of the criterionreferenced
test that measures the fifth primary grades ability to solve
verbal problems that require carrying out division and other calculations
in homs by using contrasting groups m
ethod and making sure of it
efficiency of Lessing from the classification errors comparative with the
sample mean with the volume /400/ male and female pupil.
The study concluded that the classification errors yielded by the
cut-off score identified by contrasting groups method /74/ were less than
the sample mean /66/ of which to point out efficiency the used method at
this study.