How to show the number 1000 in the second grade?

Calculate time.

Senior two students can express the number 1000 by observing things in life and calculating time and distance. For example, they can calculate how many minutes there are in an hour, how many meters there are in a kilometer, how many milliliters there are in a bottle of drink, and so on.

The second grade is the second stage of primary school, which is different from the first grade in the following ways. The study of the second day of junior high school is more complicated. Only by being serious every day can you get good grades.

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Move three matchsticks into three squares.

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