Scaffolded October practice for big numbers! Students addition 6-digit numbers in two levels—No Regrouping and With Regrouping—to master the standard algorithm and place-value reasoning. Grades: 4–5 (perfect for Grade 6 review) Skills: multi-digit addition carrying/regrouping, place value & accuracy What’s included: 100 black-and-white printable pages + full answer keys. ( 50 page No regrouping, 50 pages with regrouping)Use for: math centers, morning work, independent practice, homework, RTI,