Greater than number and less than number jingle: greater than number, less than number, two brothers arrive together; The tip is smaller than the front and the opening is larger than the front; Two numbers stand in the middle, and whoever smiles at them.

The greater than sign is > and the less than sign is.

Basic information

The greater than sign (>) is the symbol of inequality operation in mathematics. The greater than sign is widely used in arithmetic, which is a necessary content for primary schools.

163 1 year, harriot, an Englishman, began to use the commonly used numbers "greater than", "greater than" and "less than", but they were not accepted by the mathematics community at that time. It was not until more than one hundred years later that it gradually became a standard application symbol.

The symbol < > (much greater than) was introduced by Poincare and Borel in 190 1, which was quickly accepted by the mathematical community and is still in use today.

In the first grade, math is better than size;

The less than sign is hidden on the left, and the greater than sign is hidden on the right. The big mouth faces a large number, and the sharp mouth faces a decimal number.

Formula 1: greater than the number, less than the number, the two brothers arrive together; The tip is smaller than the front and the opening is larger than the front; Two numbers stand in the middle, and whoever smiles at them.

Formula 2: the left side is greater than the number; Small on the left, smaller than the size. The greater than sign is on the left and the less than sign is on the right. Next to the opening is a big number, and next to the sharp point is a decimal number. The opening faces the big number and the tip faces the small number.

If you look closely, you will find that the greater than sign looks like the shape formed by the thumb and forefinger of the right hand, so we can tell children that the greater than sign is hidden in the right hand. When a child wants to tell whether it is larger than the size, he just needs to stretch out his right hand and compare it.