This is a common core math game for pre-kindergarten and kindergarten students. It consists of Christmas tree themed cards with numbers 0-20 and the corresponding ornament ten frame cards. It also includes teacher and student directions, an "I Can" statement to post in the classroom, and the kindergarten common core standards it meets.
In "Trimming the Tree: A Matching Ten Frame Activity,” students can work independently or in small groups at AVMR stations or math centers. It reinforces students' ability to compose and decompose numbers 1-20 using toy bag ten frames and the corresponding Kris Kringle themed cards.