CCSS 1.NBT.B.2.B Worksheets
Grade 1 · Number & Operations in Base Ten
See the numbers from 11 to 19 as one ten together with some leftover ones.
Below are free printable worksheets that support 1.NBT.B.2.B. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teaching guide
What students learn
See the numbers from 11 to 19 as one ten together with some leftover ones.
Worked example
Count the tens rods and the ones blocks. What number do they show?
Answer: 81
Why: 8 tens = 80, 80 + 1 = 81
Generated and checked in code, so it is correct.
Tens and Ones worksheets
All tens and ones worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Grade 1 Tens and Ones
Set A · 12 questions · PDF · answer key with Pro
Grade 1 Tens and Ones
Set B · 12 questions · PDF · answer key with Pro
Grade 1 Tens and Ones
Set C · 12 questions · PDF · answer key with Pro
Grade 1 Tens and Ones
Set D · 12 questions · PDF · answer key with Pro
Grade 1 Tens and Ones
Set E · 12 questions · PDF · answer key with Pro
Grade 1 Tens and Ones
Set F · 12 questions · PDF · answer key with Pro