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Number Names Worksheet 21 to 50

Tip: download the PDF for Letter or A4 paper, print it at 100% and use a pencil or crayon. Tap "Show solution" to check your answer, or print it as an answer key.

Up nextNumber Names Worksheet 51 to 100 →

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Twelve numbers from 21 to 50 to write as words, such as 22 = twenty-two, then eight number names to write as numbers. Every name in this range is a tens word joined to a ones word with a hyphen, like twenty-five. The answer key is on page 2.

Also try: Apple Hundreds Chart Mystery Picture · Number Line 0–100 · Blank Ten Frames

Learning number names

Number names are the numbers written in words. Most children learn them in the first two years of school, after they can read and write the digits. Some ways to practise:

  • Learn one to twenty first: eleven, twelve and the teens are the irregular ones.
  • Learn the tens next: twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety. Watch the spelling of forty (no u).
  • Then build every other name from a tens word and a ones word, joined with a hyphen: forty-seven.

Keep the number names 1 to 100 chart beside the worksheets for checking, and see the hundreds chart for counting in digits.

For teachers and parents

What it practises
Reading and writing number names, spelling one to one hundred, matching digits and words
How to use it
Read the chart out loud, then do a worksheet without looking: write each number as a word, then each word as a number. Check with the answer key on page 2.
Time
About 10–15 minutes

More worksheets by age and skill →

Use on your class or library site

Paste this into your school, class or library web page. It shows the picture and a link back here, so families can print it themselves. You can change the wording.

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More hundreds charts

See all hundreds charts →

Seasonal: Back to School Coloring Pages

Collections: Free Homeschool Printables

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Printing tips

  • Laminate a chart, or put it in a sheet protector, and use counters or a dry-erase marker for games.
  • Cut a printed chart into strips or puzzle pieces and ask children to put it back together.
  • For mystery pictures, cross out each number in the key as you colour it.

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