K.OA.A.1 — Free Activities & Worksheets
Free Common Core K.OA.A.1 activities and worksheets for Kindergarten, aligned to the Operations & Algebraic Thinking strand. Browser-playable interactive exercises plus printable PDFs, available in all 11 supported languages — no signup, no paywall.
Kindergarten·Operations & Algebraic Thinking·K.OA.A.1
Interactive activities
Grade K·K.OA.A.1
Show the Operation — Add & Subtract on a Ten Frame
Represent addition and subtraction on a ten-frame with counters. For "3 + 2", place 3 counters then 2 more in a second colour to see the two parts make 5; for "5 − 2", start with 5 and take 2 away. Aligned to Common Core K.OA.A.1 — represent addition and subtraction with objects, fingers, and drawings.
Try itRelated standards in K.OA
Frequently asked questions
- What is covered under K.OA.A.1?
- K.OA.A.1 sits in the Operations & Algebraic Thinking strand for Kindergarten. This page gathers the free interactive activities and worksheets aligned to it.
- Are these K.OA.A.1 resources free?
- Yes. Every activity and worksheet aligned to K.OA.A.1 is free to use online and to print — no signup and no paywall.
- Who are these K.OA.A.1 activities for?
- They are built for Kindergarten teachers and learners following the Common Core Operations & Algebraic Thinking progression, and work for class, small-group, or home practice.