Make teen numbers meaningful and fun! This 40-page worksheet pack is designed to help kindergarten and first-grade students decompose and understand numbers from 11 to 19 using a variety of engaging math strategies. Students will build number sense by exploring number bonds, domino equations, fact families, and ten-frame models. Each page is black-and-white, ready to print on 8.5 x 11 inches paper — perfect for math centers, independent work, morning tubs, or homework practice! What’s Inclu