Glossary / English

One-to-one correspondence

Pairing each object in one collection with exactly one object in another. A complete pairing with none left over shows that the collections have equal quantities.

A fictional example

See it in a situation.

Match one cup to each plate to check whether there are enough cups.

Related terms.

Cardinality Number sense

Sources and further reading

These plain-language explanations and fictional examples were written for this website. They are reading aids, not quotations, diagnostic definitions, legal advice or methods claimed as invented or endorsed by Dr Sako. Sources provide the professional context. English only; no unreviewed Sepedi translations are supplied.