# 1+1=5 A scavenger hunt game about unitizing

Yelena recently reviewed the book “1+1=5” and shared the game of “I spy” she plays with her son.

The book inspires kids (and adults) to see everyday objects as sets, or collections of other objects. For example, a triangle can be viewed as a set of 3 sides while a rectangle is a set of 4 sides. An octopus is an example of a set of 8 (arms) while a starfish hides a set of 5 (arms) in plain sight. If one set has 8 elements and another set has 5 elements, then when added, the two sets have 13 elements total. Hooray!

I thought it could be fun to invite readers of this blog to play a round of the game. Here is the big question I am contemplating: “How can we make our descriptions of games we design so interactive that they become, literally, playable games?”

Add your own example! Of course, this is the ocean, for our Moby Snoodles.

This is what people added so far! It takes about five minutes for your answer to appear here. Wait and then reload the page to see!

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1. […] Moby Snoodles plays with iconic numbers in 1+1=2 but Mostly it Doesn’t, and your children can join in by contributing to A scavenger hunt game about unitizing. […]

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