What is covered under 1.OA.B.3?

1.OA.B.3 sits in the Operations and Algebraic Thinking strand for Grade 1. This page gathers the free interactive activities and worksheets aligned to it.

Are these 1.OA.B.3 resources free?

Yes. Every activity and worksheet aligned to 1.OA.B.3 is free to use online and to print — no signup and no paywall.

Who are these 1.OA.B.3 activities for?

They are built for Grade 1 teachers and learners following the Common Core Operations and Algebraic Thinking progression, and work for class, small-group, or home practice.

1.OA.B.3 — Free Activities & Worksheets

Free Common Core 1.OA.B.3 activities and worksheets for Grade 1, 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 1·Operations and Algebraic Thinking·1.OA.B.3

Interactive activities

Grade 1·1.OA.B.3

Add It Both Ways

Adding numbers in any order makes the same total — that is the commutative property. Match each addition to the same numbers added the other way, like 4 + 7 and 7 + 4. Tap an addition, then tap its swapped twin, and watch the pair link. Aligned to Common Core 1.OA.B.3 — applying the properties of operations as strategies to add and subtract.

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Frequently asked questions

What is covered under 1.OA.B.3?: 1.OA.B.3 sits in the Operations and Algebraic Thinking strand for Grade 1. This page gathers the free interactive activities and worksheets aligned to it.
Are these 1.OA.B.3 resources free?: Yes. Every activity and worksheet aligned to 1.OA.B.3 is free to use online and to print — no signup and no paywall.
Who are these 1.OA.B.3 activities for?: They are built for Grade 1 teachers and learners following the Common Core Operations and Algebraic Thinking progression, and work for class, small-group, or home practice.

Interactive activities

Add It Both Ways

Related standards in 1.OA

Frequently asked questions