Build math fluency and confidence with this comprehensive 100-day multiplication practice resource! Designed to help students master double-digit multiplication, this packet provides consistent, daily practice to reinforce the standard algorithm. Note: This specific resource is Part 17 of a 20-part series. While it acts as a complete, standalone 100-day packet, it is perfect for teachers who want to collect all 20 parts to use different versions across multiple years, assign different packets t