The Development History of Blackboards

Before the invention of writing, people discovered that charcoal could be used for painting, and some ancient murals could be found in some ancient rock caves in Europe. Traditionally, the rock walls of these murals can already be called blackboards. Afterwards, it developed into the first generation of writing blackboards, made of commonly used materials in daily life, mainly using ordinary pens to write characters on the surface.

Primitive writing: a very direct and simple expression, the earth is a desk, and all plants and trees are pens.

Wooden board: an exclusive tool for schools, although simple, it holds a significant position in history, giving birth to countless great figures and masters under such conditions.

Cement brush ink board: Students born in the 1970s and 1980s should still remember vividly. The teacher stood on the brick steps and wrote new words on the black painted blackboard with chalk.

Today, traditional blackboards have become a thing of the past, and smart interactive blackboards have become the trend of the new era.

Classroom intelligent interactive blackboard, carrying the banner of the new generation of intelligent "blackboard".

The classroom intelligent interactive blackboard covers common scenarios in the classroom, such as whiteboards, traditional blackboards, textbooks, courseware, comments, etc. Provide rich subject resources and tools to help teachers reduce workload and increase efficiency.

Since its inception, the classroom intelligent interactive blackboard has been welcomed by a large number of teachers and students. Let's take a look.

Intelligent writing board

1. Rich resources for writing cards

Writing cards helps teachers with standardized writing instruction. In addition to animated displays, they also support various demonstrations such as blackboard writing, pens, and brushes.

2. Grid adsorption function upgrade

The original coordinate system and grid help teachers easily draw, adhering to the attitude of striving for excellence, effectively improving the drawing experience and speed, and making it more convenient to draw the height, perpendicular line, and angle bisector of mathematical graphics. Help students understand through the combination of smart boards, quick drawing, graphics, and shapes.

textbook

1. Free switching between single page and double page

In textbook settings, teachers can freely switch between single page and double page. In single page mode, textbook content can be zoomed in on in one step, allowing students in the back row to read more clearly.

2. Add a classic reading module to the library

Add a rich collection of ancient and modern classic reading modules to the library, which teachers can search for one by one to supplement students' extracurricular knowledge.

Smart Courseware

1. Learn resources together and support saving them in the draft box

The questions selected by the teacher for pre class preparation can be saved in the draft box, and can be directly used for explanation during class, freeing students from the limitations of selecting topics in class and saving valuable teaching time. After class, they can be used as materials for students to preview.

2. Support sharing of online storage to school-based resources and classes

Building a school's online storage resource library, teachers can upload their own resources to school-based resources, achieve teaching resource sharing, and maximize resource value.

interaction

There are various interactive modes in classroom teaching, such as online connections, passing levels and answering questions, which combine education with entertainment and have always been favored by teachers and students.