1.NBT.B.2.a — Free Activities & Worksheets
Free Common Core 1.NBT.B.2.a 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.B.2.a
Interactive activities
Grade 1·1.NBT.B.2.a
Bundle Bot — Make a Ten from Ten Ones
Bundle Bot is an eager little robot who LOVES tidying loose ones into neat tens — but he can't bundle without you! Count the loose ones, and when it's exactly ten, pull the lever to clunk them into one neat ten. Build numbers up to forty-nine the smart way. A warm Grade 1 place-value game about bundling tens, aligned to Common Core 1.NBT.B.2.a.
Try itRelated standards in 1.NBT
Frequently asked questions
- What is covered under 1.NBT.B.2.a?
- 1.NBT.B.2.a 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.B.2.a resources free?
- Yes. Every activity and worksheet aligned to 1.NBT.B.2.a is free to use online and to print — no signup and no paywall.
- Who are these 1.NBT.B.2.a 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.