Free worksheets · Kindergarten
Build a Teen Number Worksheet
Read 1 ten plus some ones, like 1 ten + 6 ones, and write the teen number it makes.
Free printable
Build a Teen Number
6 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Start with 1 ten. Add the ones. Write the teen number in the box.
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About this worksheet
Each problem names a teen number by its parts: 1 ten and some ones, from 1 to 9. The child puts them together and writes the number, from 11 to 19.
This uses only words and numbers, with no blocks to count. A child who knows that 1 ten + 6 ones is 16 has the idea of place value that every bigger number builds on.
A worked example
1 ten + 6 ones = ?
- 1 ten is 10.
- Count on 6 ones from 10: 11, 12, 13, 14, 15, 16.
- Write 16 in the box: a 1 for the ten, then a 6 for the ones.
Answer: 1 ten + 6 ones = 16
The common mistake
What it looks like: Writing 7, from adding 1 + 6, or writing 61.
Why it happens: The child adds the two digits shown, or writes the ones first because "sixteen" says six first.
How to fix it: Say "1 ten is 10" first, then count on the ones. Write the ten's 1 first, then the ones.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Build a Teen Number
- Tue What they missed, back again
- Wed The next step, when they’re ready
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