About this resource:
noticing that single-digit numbers can be separate lexical items or merged into other signs (numeral incorporation) such as those for ages (for example, 5-YEARS-OLD) or adverbs of time (for example, 3-WEEKS-AGO) or pronouns (WE3, WE4)
About this record:
http://rdf.australiancurriculum.edu.au/elements/2018/05/0404daba-b60c-4104-ae5f-11f7d022c88c.rdf