Number Writing 0-20 — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The number word for 11 is eleven.
We spell the digit eleven as e-l-e-v-e-n, six letters naming the number after ten.
2. The number word for 12 is twelve.
We spell the digit twelve as t-w-e-l-v-e, six letters that name a dozen items.
3. The number word for 13 is thirteen.
We spell thirteen as t-h-i-r-t-e-e-n, eight letters made from thir plus teen.
4. The number word for 14 is fourteen.
We spell fourteen as f-o-u-r-t-e-e-n, eight letters made from four plus teen.
5. The number word for 15 is fifteen.
We spell fifteen as f-i-f-t-e-e-n, seven letters made from fif plus teen.
6. The number word for 16 is sixteen.
We spell sixteen as s-i-x-t-e-e-n, seven letters made from six plus teen.
7. The number word for 17 is seventeen.
We spell seventeen as s-e-v-e-n-t-e-e-n, nine letters made from seven plus teen.
8. The number word for 18 is eighteen.
We spell eighteen as e-i-g-h-t-e-e-n, eight letters made from eight plus teen.
9. The number word for 20 is twenty.
We spell the digit twenty as t-w-e-n-t-y, six letters naming two groups of ten.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
eleven
→ 11
11
fifteen
→ 15
15
nineteen
→ 19
19
twenty
→ 20
20
Each word names a digit, so eleven matches 11, fifteen matches 15, nineteen matches 19, twenty matches 20.