Uploaded August 2023 | Updated September 2026, 22 hours ago

---

Solve problems using subtraction.

Examples of Waterford.org Operations & Algebraic Thinking Activities: youtube.com/playlist?list=PLcOxVO3wRlRTaoa4l6QkhC0JTUDxQBeTj

About Waterford:
Waterford.org is a national not-for-profit organization dedicated to providing equitable access to proven early education programs for children and the adults who support them.

Partnering with caring adults at school, home, and early childhood centers, Waterford.org offers tailored learning experiences in reading, math, and science that cater to the unique needs of every child, fostering confidence, curiosity, and a sense of belonging.

If you would like to learn more about Waterford Upstart, please visit waterford.org/upstart