2.OA.B.2 — Free Activities & Worksheets
Free Common Core 2.OA.B.2 activities and worksheets for Grade 2, aligned to the Operations and Algebraic Thinking strand. Browser-playable interactive exercises plus printable PDFs, available in all 11 supported languages — no signup, no paywall.
Grade 2·Operations and Algebraic Thinking·2.OA.B.2
Interactive activities
Grade 2·2.OA.B.2
Match Facts to 20
Build fluency with addition and subtraction facts within 20. Work out each fact, like 8 + 5 or 17 − 9, then match it to its answer. Tap a fact, then tap the number that is its answer, and watch the pair link. Aligned to Common Core 2.OA.B.2 — fluently adding and subtracting within 20 and knowing the sums of two one-digit numbers from memory.
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Frequently asked questions
- What is covered under 2.OA.B.2?
- 2.OA.B.2 sits in the Operations and Algebraic Thinking strand for Grade 2. This page gathers the free interactive activities and worksheets aligned to it.
- Are these 2.OA.B.2 resources free?
- Yes. Every activity and worksheet aligned to 2.OA.B.2 is free to use online and to print — no signup and no paywall.
- Who are these 2.OA.B.2 activities for?
- They are built for Grade 2 teachers and learners following the Common Core Operations and Algebraic Thinking progression, and work for class, small-group, or home practice.