Numbers and Number Words Worksheets for 1st Grade
Convert between a number and its written-out number word (0-20, and the tens 30-90). 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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Numbers and Number Words: what children learn
Reading and writing number words connects the symbol "7" to the word "seven" — both represent the same quantity, and kids need to recognize numbers in either form since both show up in real reading.
Numbers and Number Words: worked example
14 = fourteen
The digit 14 is written out as the word "fourteen."
Numbers and Number Words: a common mistake to watch for
The teens (13-19) are the most commonly misspelled — kids often mix up "thirteen" and "thirty" or "fourteen" and "forty" since they sound similar.
Numbers and Number Words: how to help at home or in class
Make a set of index cards, one with a numeral and one with its word, and play matching or memory with them. Add a few cards each day, saving the teens and the tens for last. Say each word aloud while pointing at the numeral, and notice the ending sounds: teen versus ty. When your child can match every pair without hesitating and spell a few from memory, move on to counting up and back through the numbers.
What is on these Numbers and Number Words worksheets
This set has 15 different worksheets for 1st grade, with 14 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Write the missing number or number word.”
Example questions like the ones on these worksheets, with their answers:
- 3 =three
- ten =10
- 18 =eighteen
- nineteen =19
- fifty =50
- 20 =twenty
- 15 =fifteen
- 2 =two
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers