1.NBT.B.2 Worksheets: Tens and Ones

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1.NBT.B.2 (Number and Operations in Base Ten): Know that the two digits of a two-digit number stand for tens and ones.

About this standard

This standard is about seeing a two-digit number as tens and ones, starting with 11 to 19 as one ten and some ones. A bundle of ten straws plus loose straws makes the idea concrete. Practice with Place Value: Tens and Ones and the teen words in Number Words 11-20.

Worksheets for 1.NBT.B.2

Number Words 11-20Grade 1 · Counting & Number Sense · 10 versions
Place Value: Tens and OnesGrade 1 · Place Value & Rounding · 10 versions
Expanded Form With Tens and OnesGrade 1 · Place Value & Rounding · 10 versions
Regrouping Tens and OnesGrade 1 · Place Value & Rounding · 10 versions
Value of a Digit: Tens and OnesGrade 1 · Place Value & Rounding · 10 versions

More 1st Grade Math standards in Number and Operations in Base Ten

1.NBT.A.1: Count to 120
1.NBT.B.3: Compare Two-Digit Numbers
1.NBT.C.4: Add Within 100
1.NBT.C.5: 10 More and 10 Less
1.NBT.C.6: Subtract Multiples of 10

All 1st Grade Math standards →