By : Drs. Marsigit MA
Reviewed
by: Fifi Yuniarti
The efforts can be made by teachers to implement
mathematics teaching and learning that have been recorded in the Video Tape
Recorder (VTR), among others, to make preparations mathematics teaching and
learning process at SMP in accordance with the principles PMRI, develop
learning resources for the mathematics teaching and learning process at SMP in
accordance with the principles PMRI, develop assessment activities for teaching
and learning mathematics at SMP in accordance with the principles PMRI, and
implement the mathematics teaching and learning process at SMP in accordance with
the principles PMRI.
PMRI can be implemented on the application of the
four phases of realistic mathematical models of learning. The fourth phase is
the introduction, the creation and development of symbolic models, explanation
and reason, and closing or application.
Use of Video Tape Recorder (VTR) can be applied in
learning geometry and learning fractions. In learning geometry, for example,
students trying to find a formula the surface area of the ball by doing the
closing on its surface, and the students tried to use canned and model of cone
also the sand to find a formula cone volume. In learning fractions, for
example, invented the concept and shape of fractions, find the concept of
simple fractions, changing fractions with numerator greater than denominator
into mixture fractions, comparing fractions, sorting fractions, find the
concept of decimal fractions, find the concept of percent, add and subtract
fractions, reducing fractions the same denominator, add and subtract fractions
of different denominator, add and subtract of mixed fractions, and
multiplication of fractions and multiplication fractions by fractions.
Benefits of using Video Tape Recorder (VTR) in
learning mathematics, among others, teachers can learn the concepts of
realistic mathematics learning, teachers can exchange experiences with other
teachers, teachers can prepare for teaching and learning process, and teachers
also can develop learning resources that are used.
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