Looking at the mathematics addition table of the first grade of primary school vertically, the middle and lower classes in each column are smaller than the upper classes 1, the first column is 2.3.4.5.6.7.8.9. 10, and the second column is 3.4.5.

The results of each row of the mathematics addition table in the first grade of primary school are equal.

The diagonal view of the mathematical addition table in the first grade of primary school is similar to the vertical view, and the longest diagonal is 2.3.4.5.6.7.8.9. 10.

The addition table is a table for finding one-digit addition. List the results of adding any two one-digit numbers into a table, which is called an addition table and can be used by beginners. Commonly used addition tables are 10 and 20.

Extended data:

Addition table within 10

The addition table within 10 is a common formula for junior students, and it is also the basis for advanced students to learn more complex calculations.

The addition table within 10 * * 45 questions are arranged into an addition table in a certain order, which is called the addition table within 10. Vertically, the number in the first column is 2 and the number in the second column is 3. Horizontally, the first line is a few plus 1, the second line is a few plus 2, and the numbers in each line are 1 from left to right.

References:

Baidu Encyclopedia: Mathematical Addition Table