K.NOS.C.9: Understand 10 as a group, collection, or bundle of ten ones called a “ten.” a. Compose and decompose numbers from 11 to 19 into ten ones and some further ones by using objects or drawings, and equations (e.g., 13 = 10 + 3). b. Describe a given number as one ten and the correct number of ones (e.g., 13 is one ten and three ones).

Understand 10 as a group, collection, or bundle of ten ones called a “ten.” a. Compose and decompose numbers from 11 to 19 into ten ones and some further ones by using objects or drawings, and equations (e.g., 13 = 10 + 3). b. Describe a given number as one ten and the correct number of ones (e.g., 13 is one ten and three ones).

Goblins

1-on-1 AI tutoring aligned to K.NOS.C.9. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →