What this covers
Counting and Number Words to 20 is taught in Year 1 (age 6 to 7) as a main teaching focus. It sits in the Number strand.
Worked example
Count the stars and write the total as both a numeral and a word: × * × * × * *
- Count each star one by one: 1, 2, 3, 4, 5, 6, 7.
- Write the digit: 7.
- Write the matching word: seven.
Answer: 7 (seven)
Difficulty scale
The sheet generator offers five difficulty settings for this topic.
- Counting objects and matching numerals up to 5
- Counting structured sets and reading number words up to 10
- Finding missing numbers in forward sequences up to 20
- Writing number words from numerals between 11 and 20
- Counting backwards from 20 and matching mixed representations
Common mistakes
- Skipping numbers in the tricky teen sequence (e.g., jumping from twelve straight to fourteen)
- Writing reversed digits such as confusing 12 and 21
Curriculum links
Indicative matches to Australian Curriculum v9. Check wording and codes against the official document.
- AC9M1N01 Count, read, and order two-digit numbers up to at least 100.