Elementary Mathematics
Module 01Lesson 01
Zero and One
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Nothing, then one
Look at two bowls. The first bowl is empty. In the second bowl there is one date.How many dates are in the empty bowl?
From zero to one
An empty five-frame shows zero; one date arrives and the number changes to 1.
From zero to one
Conceptual model: a simplified teaching picture.
0 means none. 1 means exactly one. Press Play to watch one date arrive.