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Magical use of mathematical markers in large classes
1. Learn to record two features (size, shape or color) of a graph with a marker.

2. Observe and compare the different features between graphs, and express them in language.

Activity preparation:

Teaching aid: a card with the number 1-9; Pictures of houses with roofs of different colors, shapes and sizes; Mark several cards (size, shape, color)

Learning tools: 1-2 children's operation materials; Several color, size and shape marks; Glue; The child has a paper key marked with color and shape; Draw some shapes and colors on the website.

Activity flow:

I. Group activities

1, play the game "Driving a Train"

Today, Little Rabbit will invite the children from Class 2 to his new home. Shall we go by train? Get ready, the train is about to leave.

Teacher: Hey, hey, my train is leaving.

What time does it open?

Teacher: (showing the digital card) Look.

Yang: (looking at the numbers) Point X.

The teacher leads the children to play games in groups first, then in groups, and finally invites individual children to play games.

2. Look at these figures and mark them

(1) The teacher shows pictures of roofs with different shapes.

Teacher: Our train finally arrived at the gate of Bunny Community. But with so many houses, how do you know which one is Tutu's new house? Don't worry, Bonnie wrote a letter to our child. Let's have a look.

(Showing the marker) The rabbit is really clever. He used a marker to record the roof of his house, and let us children look at the marker to find his home.

Inspire children to find the corresponding figure according to the mark, and pay attention to guide children to find the figure under the condition of taking into account multiple marks. Let individual children talk about how you found the rabbit's home. And get to know each other collectively.

Teachers and students * * * and verification results.

The deer saw it and wanted us to write a letter to it and send it to other small animals. So what is the roof of the deer house like? Show pictures of deer and stick them on the door of a family.

Inspire children to try to record the characteristics of graphics with markers. First, you can find out the three characteristics of the figure, and then guide the children to choose two of them and record them at will. Individual children can be invited to freely choose markers for recording.

Teachers and students * * * check the operation results. Let's see if our children helped the deer write this letter correctly.