Last Updated：2025/12/30
Sentence
4)
The
Psychology
Research
Institute
of
the
China
Academy
of
Sciences
carried
out
an
experiment
in
teaching
arithmetic
in
coordination
with
algebra
in
two
classes
of
the
fifth
grade
in
the
No.
2
experimental
elementary
school
in
Peking
with
good
results.
At
a
unified
examination
in
arithmetic
held
among
all
elementary
schools
in
Hsicheng
ch’ü,
Peking,
the
grades
of
the
students
in
these
two
classes
averaged
better
that
94.
Quizzes for review
4) The Psychology Research Institute of the China Academy of Sciences carried out an experiment in teaching arithmetic in coordination with algebra in two classes of the fifth grade in the No. 2 experimental elementary school in Peking with good results. At a unified examination in arithmetic held among all elementary schools in Hsicheng ch’ü, Peking, the grades of the students in these two classes averaged better that 94.
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