Build rock-solid multi-digit addition skills with this Halloween-themed set! Students practice 5-digit addition in two leveled packs—No Regrouping and With Regrouping—to master the standard algorithm and place-value reasoning. Grades: 4–5 (great for Grade 6 review) What students practice: multi-digit addition , carrying/regrouping, place value, accuracy & fluency What teachers get: 100 print-and-go black-and-white pages + full answer keys. Perfect for October math centers, morning work, inde