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(Hamalik, 1994: 95). Likewise, Sadiman's opinion that the
medium of images is the most commonly used medium,
which is a joint discussion that can be understood and
enjoyed everywhere (Sadiman, 1996:29). Theoretically,
the use of image media in mathematics learning is
undoubtedly an internalization of obtaining direct
experience through artificial objects, which is a
manifestation of the knowledge of the highest value, as
well as an explanatory of abstract concepts of
mathematics lessons. In line with the purpose of utilizing
image media to simplify the material's complexity,
mathematics learning with image media will help students
understand the lesson.
The imagination or image of students can be generated by
arranging and composing visual elements in the teaching
material. In addition to considering in terms of the aspects of
image media, we must also pay attention to some of the general
principles of agar producing communicative images in learning,
including the following:
− Visible means that it is easy to be seen by all educational
targets, which will take advantage of the media we create.
− Interesting, meaning interesting, not monotonous, and not
dull.
− Simple, meaning simple, short, not excessive.
− Useful, the meaning is that the image displayed must be
selected that is really beneficial to the target of the
student. Don't air too much writing that's actually less
important.
− Accurate; the content must be correct and on target.