Common Core math · Grade 1 · Number & Operations in Base Ten
1.NBT.B.2
Know that in 47, the 4 means four tens and the 7 means seven ones.
What 1.NBT.B.2 says
Understand that the two digits of a two-digit number represent amounts of tens and ones.
- Grade
- Grade 1
- Domain
- NBT — Number & Operations in Base Ten
- Full code
- CCSS.MATH.CONTENT.1.NBT.B.2
Free worksheets for 1.NBT.B.2
25 aligned worksheets — showing 24. Every one is a free printable PDF. No account, no email, no paywall.
Place Value — Tens and Ones
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Place Value — Tens
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Place Value — Tens and Ones
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Place Value — Write the Number from Expanded Form — Challenge
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Place Value — Write the Number from Expanded Form — Extra Practice
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Place Value — Tens and Ones
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Place Value — Tens and Ones
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Place Value to Thousandths
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Place Value — Decimals
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Place Value — Place Value to 100: the value of the digit 5 in 515
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Place Value — Place Value to 100: the value of the digit 7 in 783
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Place Value — Place Value to 1000: the value of the digit 1 in 183
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Place Value — Place Value to 1000: the value of the digit 7 in 719
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Hundreds Tens and Ones — Expand the Number
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Hundreds Tens and Ones — What Each Digit Means
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Hundreds Tens and Ones — Write in Expanded Form
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Hundreds Tens and Ones — Bundles of Ten
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Hundreds Tens and Ones — Build the Number
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Hundreds Tens and Ones — Digit Value
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Hundreds Tens and Ones — Three Digit Place Value
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Hundreds Tens and Ones — Hundreds and Ones
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Hundreds Tens and Ones — Read and Write Numbers
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Compare Large Numbers — Millions Place Value
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Take-Home — Tens and ones to 100
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More free Grade 1 math
Other Grade 1 standards
1.NBT.B.2 — common questions
What is 1.NBT.B.2?
1.NBT.B.2 is a Grade 1 Common Core math standard in the Number & Operations in Base Ten domain. It reads: “Understand that the two digits of a two-digit number represent amounts of tens and ones.”
What grade is 1.NBT.B.2?
1.NBT.B.2 is a Grade 1 standard. The number straight after the domain letters is the grade, so the “1” in 1.NBT.B.2 means Grade 1.
What does the code 1.NBT.B.2 stand for?
Read it left to right: 1 is the grade, NBT is the domain (Number & Operations in Base Ten), and the last number is the standard within that domain. The full identifier is CCSS.MATH.CONTENT.1.NBT.B.2.
Are there free worksheets for 1.NBT.B.2?
Yes — 25 printable worksheets on this page are aligned to 1.NBT.B.2. Every one is a free PDF with no account, no email and no paywall.