# Odd or Even

Determine whether a group of objects (up to 20) has an odd or even number of members

Builds on: Counting in 2s (hard, https://ai.page/c/counting-in-2s/en.md), Addition as combining or putting together two (soft, https://ai.page/c/addition-as-combining-or-putting-together-two/en.md)

Concept id: odd-or-even. Subject: maths. Licence: CC BY-SA 4.0.

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