The phrase "several worksheets" means that there are multiple pieces of paper or electronic pages, each containing information or activities related to a specific topic or task. Full definition
The book includes several worksheets and exercises that therapists can provide their clients with to help the process along. (positivepsychologyprogram.com)
The workbook contains several worksheets for mapping out your debt - killing plan of attack, your monthly budget, your savings plan, and so much more! (jessi-fearon.teachable.com)
There are also several worksheets to use with pupils. (tes.com)