CCSS K.NBT.A.1 - Kindergarten Number & Operations in Base Ten

K.NBT.A.1: Compose and decompose numbers from 11 to 19 into tens and ones

Students see that 14 is one ten and four ones, building a foundation for place value. Browse free printable worksheets aligned to Common Core standard K.NBT.A.1. Every activity is designed by a certified K-5 educator to help kindergarten students master this number & operations in base ten standard.

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Understanding Common Core Standard K.NBT.A.1

Full CCSS code: CCSS.MATH.CONTENT.K.NBT.A.1

Domain: Number & Operations in Base Ten (NBT)

Grade level: Kindergarten

What this standard covers: Students see that 14 is one ten and four ones, building a foundation for place value.

Frequently Asked Questions About CCSS K.NBT.A.1

What does CCSS K.NBT.A.1 cover?

K.NBT.A.1 is a Kindergarten Number & Operations in Base Ten Common Core standard. Students see that 14 is one ten and four ones, building a foundation for place value.

What grade level is CCSS K.NBT.A.1?

K.NBT.A.1 is a Kindergarten standard. Each worksheet on this page is designed for kindergarten students.

Are these K.NBT.A.1 worksheets free to download?

Yes. Every worksheet on AAKollective is 100% free, with no account required. Download instantly as a print-ready PDF.

Can I use these CCSS-aligned worksheets in my classroom?

Absolutely. Teachers are encouraged to use these K.NBT.A.1 worksheets for whole-class instruction, small groups, homework, and as formative assessments. Our license also covers homeschool use.

Where can I find more Kindergarten Number & Operations in Base Ten worksheets?

Browse our full library of kindergarten math worksheets by visiting the Kindergarten section. Many are tagged with additional CCSS codes in the same Number & Operations in Base Ten domain.

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