Summary
Which key fits the lock? The Cat helps Nick and Sally sort keys by size and shape to find the right one — a friendly look at observing and comparing the properties of objects.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
We can sort and compare objects by how they look and feel.
- How were the keys different from one another?
- How did the characters figure out which key would fit?
- What are some ways you sort things at home?
Quick work-a-long
Vocabulary: sort, size, shape, compare, fit.
Try it: Sort a handful of keys or blocks by size, smallest to biggest.


