Number Words to 100
Read and write numbers to at least 100 in words
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Number Words to 100 means reading and writing numbers in words—fourteen, twenty-seven, forty—not only as numerals. We will match a numeral to its word form, write a few from scratch, then check a fresh set to at least 100.
Spend about 12 minutes reading and writing number words to at least 100 with cards and pencil, then checking two fresh items.
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Learning resources
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Illustrative Mathematics · Practice link — not the full lesson
Where Do I Go?
Before you open · source notes
Number-line placement supports reading and saying number words toward 100. Not every place-value chart.
Free, no sign-in. A teacher solution is on the same page, so use the student view with your child.
Before you openAsk the learner to place a number and say its number word aloud.
Opening this link does not save learning or assess mastery.
Source, access and review notes
Public Illustrative Mathematics task page. The .html address responds HTTP 308 to this URL. An anonymous GET of this URL on 2026-11-12 returned HTTP 200 with no login or payment prompt. Where a teacher solution is present, it is on the same page as the student task; this check did not find a separate locked student view. An adult can use the student view section and should not read a solution aloud. Advertising was not observed in the fetched HTML text; that is not a browser, device, or ad-free guarantee. This is a paper or discussion task, not an automatically marked interactive game. Opening the link does not save practice or assess mastery. Diagrams on the page use missing or filename-only alt text, so they are not an accessible image equivalent. Accessibility still depends on an adult describing the picture.
Illustrative Mathematics. “Where Do I Go?.” Licensed CC BY-NC-SA 4.0. External task; Gakuva does not copy, host, embed, or redistribute it.
CC BY-NC-SA 4.0 — link only
Check understanding
- Read 'fifty-seven' and write the numeral 57
- Write 'eighty-three' when shown the numeral 83
- Read and write all decade words (twenty, thirty … ninety) correctly
“Can your child write 'seventy-four' or 'one hundred and three' as number words — and read them correctly when they appear in a book or on a sign?”
Curriculum record
- Type
- Language
- Subject
- Mathematics
- Domain
- Number Representation & Place Value
- Age range
- Ages 6–7
Standards