1. UNIT 5 TEACHING AIDS Definition and importance of teaching aids
It is a teaching tool or device by which a teacher or trainer or extension worker transfers information or knowledge to the student or trainee or villagers.
Teaching aids are the materials used by the teacher to teach his students.
Teaching aids are materials used by extension workers to pass message to the villagers.

2. TEACHING AIDS
Selection of appropriate teaching aid is very important to train or teach.
Wrong choice of teaching aids will not attract the audience and message may not pass properly.
Choice of teaching aid depends upon the size and quality of the students/trainees/villagers, physical condition of the place, availability of the resource and time.

3. TEACHING AIDS Types of teaching aids: 1. Audio
( hearing or listening devices—Radio, lectures and speeches, discussions, voic , telephone, mobile, drumming etc )
2. Visual
(seeing, eye contact/more effective than audio only--tv, computer, cinema, documentary, drama, dance, caricature, poster, postcard, slide, field observation etc )

4. TEACHING AIDS 3. Audio-visual
(most effective, eye and ear both involved---TV, drama, documentary, cinema, slide show, caricature, role play etc)
4. Written and printed materials
( for those only who can read and write posters, postcards, pamphlets, leaflets, letters, book and booklets etc)

5. TEACHING AIDS Evaluation of teaching aids :
1. Listening (audio) alone---70/10-- weak
2. Visual alone--- 72/20--- strong
3. Combination of both-- 85/65 ---stronger
For learner
Seeing, listening and doing---100/85---strongest
Teacher’s to use teaching aids in such a way
that learner gets opportunity to see, to hear
and to do.

6. Learning and Retaining
We learn
---1 % through taste, 1.5 % through touch,
3.5 % through smell, 11 % through hearing, 83.5 through sight
We retain
---10 % what we read, 20.5% what we hear,
30 % what we see, 50 % what we hear and see, 70 % what we say as we talk, 90 % what we say as we do a thing.