In the table in Book 2 of Grade 1, the squares occupied by numbers with the same decimal places are colored red. The rule is that the number of digits is the same as the decimal places, such as 1 1, 22, 33, etc.

Draw a table from 1 to 100, and then draw the numbers with the same ten digits in red.

In the first grade mathematics, the textbook presents a table with spaces. This table has its own characteristics. It arranges the numbers of 1- 100 in the order and format of each line. Generally, there are four links. Fill in the blanks in numerical order first; Second, guide students to observe and find the arrangement law of numbers in the table; Third, expand the content on the basis of filling in the form and develop students' knowledge transfer ability under certain conditions.