GoblinsCreate Account
Standards/Math/District of Columbia/K.OA.A.4

K.OA.A.4

K.OA.A Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
K.OA.A.1
K.OA.A.2
K.OA.A.3
K.OA.A.4
K.OA.A.5

For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.

Khan Academy Resources
Making 5Make 10Make 10 (grids and number bonds)
Goblins

1-on-1 AI tutoring aligned to K.OA.A.4. 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 →

Resources

Privacy PolicyTerms of ServiceCareersTeacher LoginStudent Login

Communities

Access 4 Learning Community, Student Data Privacy Consortium
Goblins

© 2023-2026 Aha Moments, Inc.