1. Knowledge objective: Let students know the angle and the names of each part of the angle by combining life situations and operational activities; build

Preliminary representation of vertical angle size; Learn to draw corners with a ruler.

2. Ability goal: to cultivate students' initial observation ability and hands-on operation ability, the consciousness of active cooperation and the initial ambiguity.

Between ideas.

3. Emotional goal: Close contact with students' real life, so that students can experience mathematics everywhere in their lives and improve their learning of mathematics.

Be interested in ...

Teaching emphasis: understand the characteristics of angle initially; Can draw corners with a ruler.

Teaching difficulty: establishing the preliminary representation of angle size.

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How can junior high school students improve their grades if they are poor in mathematics? Study hard and get low marks? Do this!

How can junior high school students improve their grades if they are poor in mathematics? Learning methods are wrong, and efforts are worthless. Watch this classmate's counterattack, share the learning method of scoring, and quickly enter the state. ....