What is covered under 1.NBT.C.4?

1.NBT.C.4 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.C.4 resources free?

Yes. Every activity and worksheet aligned to 1.NBT.C.4 is free to use online and to print — no signup and no paywall.

Who are these 1.NBT.C.4 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.

1.NBT.C.4 — Free Activities & Worksheets

Free Common Core 1.NBT.C.4 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.C.4

Interactive activities

Grade 1·1.NBT.C.4

Tuck's Ten Bundles — Add with Regrouping (Grade 1)

A free interactive Grade 1 math activity: add a two-digit and a one-digit number when the ones make more than ten. Tuck the hamster shows the base-ten blocks; tap “Make a ten” to bundle 10 ones into one ten, then type the total. A clear, hands-on first look at carrying — composing a ten. Common Core 1.NBT.C.4.

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Frequently asked questions

What is covered under 1.NBT.C.4?: 1.NBT.C.4 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.C.4 resources free?: Yes. Every activity and worksheet aligned to 1.NBT.C.4 is free to use online and to print — no signup and no paywall.
Who are these 1.NBT.C.4 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.

Interactive activities

Tuck's Ten Bundles — Add with Regrouping (Grade 1)

Related standards in 1.NBT

Frequently asked questions