Before worksheet, there are several concepts related to numbers and counting that are taught through worksheets. Some of these concepts include:

• Before and After: Worksheets that teach students to identify the number that comes before or after other numbers. These worksheets are available for numbers ranging from 1 to 20, 1 to 100, 100 to 1000, and more.

• Counting: Worksheets that help students practice counting and develop a strong sense of which numbers are greater or lesser than others. These worksheets are designed for first-graders and second-graders and are available for numbers ranging from 1 to 1000.

• Sequencing: Worksheets that give additional practice in sequencing numbers. Students are shown numbers between 1-20 and asked which number comes after (or before) .

In conclusion, there are several concepts related to numbers and counting that come before worksheets, such as before and after, counting, and sequencing. These concepts are taught through various worksheets that are available for different age groups and number ranges.