Halloween Math Challenge Grade 4 - 2 & 3 Digit × 1-Digit Multiplication Practice with Posters - Great for Special Education. In this engaging activity, students Build a Haunted House while practicing 4 multiplication strategies— area model, partial products, standard algorithm, and distributive property - designed specifically for solving 2- and 3-digit × 1-digit problems. This resource blends festive fun with rigorous practice, making it perfect for whole-class lessons, small groups, center