GoblinsCreate Account
Standards/Math/District of Columbia/2.OA.C.4

2.OA.C.4

2.OA.C Work with equal groups of objects to gain foundations for multiplication.
2.OA.C.3
2.OA.C.4

Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

Khan Academy Resources
Adding with arraysArray word problemsRepeated addition: haircutsAdding with arraysUsing arrays in word problems
Goblins

1-on-1 AI tutoring aligned to 2.OA.C.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.