One Hundred Is a Family

One Hundred Is a Family is a picture book by Pam Munoz Ryan that uses illustrations of different families to teach children how to count from one to ten and then by tens up to one hundred. Each page shows a group of family members, with the number of people in the group matching the numeral and number word presented in the text. The book is intended for early elementary readers in grades K-3 and serves as a simple introduction to numbers and the concept of families.