📘 Full Product Description Help your students master input/output tables and finding the rule with this simple, print-ready 3rd-grade math worksheet FREEBIE! This resource includes four input/output tables (addition, subtraction, multiplication, and one challenge table), an easy-to-understand student direction section, a mini anchor chart on how to identify rules, and a complete answer key. This is perfect for: ✔ warm-ups ✔ small group practice ✔ independent work ✔ intervention ✔ math s