Why it is said that “the blackboard/chalkboard is the most important aid in the hand of a teacher”?

ADVERTISEMENTS: There are various types of teaching aid like traditional, visual, and mechanical. Among all of these traditional aid is very effective and easy for teacher and student both. A traditional aid covers the use of blackboard/chalkboard hooks and periodicals. Related posts: 15 Essentials Points to Improve Your Chalkboard Writing Get complete information on Teaching … Continue reading Why it is said that “the blackboard/chalkboard is the most important aid in the hand of a teacher”?