1. Students have a preliminary understanding of the basic meanings of up, down, front and back, and will use up, down, front and back to describe the relative position of objects.

2. Enable students to form the ability to identify certain spatial orientation.

3. Cultivate students' observation ability and language expression ability.

4. Let students feel the close connection between mathematics and real life.

Use beads to represent the number of objects. 1 boy, 1 accordion, 1 The number of blackboards is 1, which can all be expressed by 1 beads. The number of 2 potted flowers, 2 red balloons and 2 yellow balloons is 2, which can all be represented by 2 beads. In the textbook, 1 bead, 2 beads and 5 beads are used to represent the number of elements in an equivalent set, which helps students understand the meaning of numbers.

Compilation basis:

Generally speaking, complicated and simplified lesson plans are written by experienced teachers, while new teachers write them in detail. The teaching plan design of the same topic used in parallel classes should be different according to the actual differences of students in the class.

The original teaching plan can be adjusted according to the specific situation during class, and the teaching effect can be recorded at any time after class, which is helpful to accumulate teaching experience and continuously improve teaching quality.