Students will accurately add three numbers together, demonstrating their understanding of addition through various practice problems., Students will develop problem-solving skills by identifying missing addends in addition equations, enhancing their ability to work with number relationships., Students will improve their mathematical fluency and confidence in addition through repeated practice and engagement with both printable and digital formats.

This comprehensive resource spans 13 pages and includes:

Page1: Title page introducing the 'Adding 3 Numbers' resource, available in both printable and Google Slides formats.

Page2: Instructions for accessing the Google Slides version, including steps for making a copy and sharing with students, along with terms of use.

Page3-8: A series of worksheets focused on adding three numbers. Each worksheet contains a variety of addition problems formatted for students to write their answers, with ample space provided for calculations. The problems increase in complexity, allowing for differentiated learning.

Page9-12: Worksheets dedicated to identifying missing addends in addition equations. Students will fill in the blanks to complete the equations, reinforcing their understanding of addition and the concept of part-part-whole relationships. Each page features a range of problems to cater to different skill levels.

- **Page 13**: A thank you note from the creator, encouraging feedback and providing contact information for further inquiries. This page also reiterates the copyright and terms of use for the resource.

Each worksheet is designed to be visually engaging and easy to follow, making it suitable for classroom use or at-home practice. Teachers can implement these activities as part of a math center, for independent practice, or as part of a whole-class lesson. The Google Slides format allows for interactive learning, where students can complete problems digitally, making it a versatile tool for both in-person and remote learning environments.