1.NBT.A.1 — Free Activities & Worksheets

Free Common Core 1.NBT.A.1 activities and worksheets for Grade 1, aligned to the Number & Operations in Base Ten strand. Browser-playable interactive exercises plus printable PDFs, available in all 11 supported languages — no signup, no paywall.

Grade 1·Number & Operations in Base Ten·1.NBT.A.1

Interactive activities

Grade 1·1.NBT.A.1

Whistle Valley — Number-Line Track Repair

A storm tore out the train track in Whistle Valley, and the track is a NUMBER LINE! Read each numbered tie and drag it to the exact spot its number belongs — count on from the anchor stations — then send the singing engine chugging across the repaired track. A warm Grade 1 game about counting to 120 on the number line, aligned to Common Core 1.NBT.A.1.

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Printable worksheets for this standard

Frequently asked questions

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