Humble Math - 100 Days of Multi-Digit Multiplication: Ages 10-13: Multiplying Large Numbers With Answer key - Reproducible Pages - Multiply big Long. Long Problems - 2 and 3 Digit Workbook (Ks2) (en Inglés)
Learn to multiply large numbers with these multi-digit multiplication problems. A perfect way to develop advanced multiplication skills. 100 days of practice problems. Answer key included in the back.