Place Value: Tens and Ones Worksheets for 1st Grade
Combine tens and ones into a two-digit number. 15 free printable worksheets, each with an answer key.
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Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Place Value: Tens and Ones: what children learn
Place value is the idea that a digit's position determines its value — a "4" in the tens place is worth 40, not 4. Being able to move between "4 tens + 7 ones" and "47" is the foundation for all multi-digit arithmetic.
Place Value: Tens and Ones: worked example
3 tens + 5 ones = 35
3 tens is worth 30, plus 5 ones is 5 more, so 30 + 5 = 35.
Place Value: Tens and Ones: a common mistake to watch for
Kids sometimes write "35" as "305" (writing "30" then "5" side by side) instead of combining them — base-ten blocks help make the combining step concrete.
Place Value: Tens and Ones: how to help at home or in class
Play a digit game with two dice or playing cards. Roll or draw two digits and ask your child to make the biggest number possible, then the smallest. Have them say which digit is in the tens place and which sits in the ones place, and what each digit is really worth. Writing the digits on a simple two-column chart labeled tens and ones keeps the place values straight. When your child can explain what each digit is worth every time, try missing-part problems.
What is on these Place Value: Tens and Ones worksheets
This set has 15 different worksheets for 1st grade, with 16 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Write the number described by the tens and ones.”
Example questions like the ones on these worksheets, with their answers:
- 1 ten + 2 ones =12
- 1 ten + 4 ones =14
- 9 tens + 3 ones =93
- 6 tens + 7 ones =67
- 2 tens + 1 one =21
- 5 tens + 2 ones =52
- 6 tens + 2 ones =62
- 7 tens + 0 ones =70
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers