This set includes 10 printable worksheets for double digit addition with regrouping, designed to help students master addition up to 100. Great for classroom use, homework, or extra math practice at home. WHAT’S INCLUDED: – 10 printable double digit addition with regrouping up to 100 worksheets – Format: PDF – Size: Two PDF files in A4 (21 cm x 29.7 cm) and US Letter (8.5" x 11") HOW TO DOWNLOAD: – Via Email: Once your purchase is complete, you will receive an email with a download link to your files. Simply click on the link, and the files will be downloaded directly to your computer. – Via Etsy Account: You can also download your files directly from your Etsy account. After payment is confirmed, go to your Etsy account, click on Purchases, and find your order (www.etsy.com/your/purchases). From there, you’ll be able to download the files. – Once downloaded, save the files to your computer and start printing. You can print as many copies as you like. All worksheets are handmade and for personal/classroom use only. If you have any questions or run into any issues with the product, don’t hesitate to reach out – I’m here and happy to assist you!