If you are looking for supplementary materials to help your child practice, consider these legitimate avenues:
The first level of UCMAS introduces children to the physical tool (the abacus) and the basic concepts of arithmetic. At this stage, students focus on: ucmas abacus level 1 book pdf free download
Exercises designed to improve the speed at which children write numbers. Why You Should Use Official UCMAS Materials If you are looking for supplementary materials to
Most official UCMAS books are copyrighted. Free PDFs found online are often low-quality scans or incomplete versions of the original curriculum. Free PDFs found online are often low-quality scans
Performing basic calculations (1-9) without formulas.
Many abacus apps mimic the UCMAS style and offer Level 1 practice for free on the App Store or Google Play.
Just 10 to 15 minutes of "bead gym" every day is more effective than a two-hour session once a week.