Video set: Counting, conservation, & cardinality

What do the learners know about counting, conservation of numbers, & cardinality?

One video - Preschool learner counting starfish in a picture

Video 1 - Seth (0:52)

Two videos - two students answering how many milks are needed for the class

Video 1 - Keeshan (0:44)

Video 2 - classmate replies ... (0:14)

Three videos counting candies three different ways.

 

How many candies?

Counts seven candies by removing them one at a time from the can. (0:17)

Count while touching.

 

Put candies back in can, close lid and ask ...

How many candies? (0:22)

 

With candies in the can and lid off, asks ...

How many candies? (0:19)

 

Three more videos counting candies and sharing.

 

How many candies?

Counts candies in can without touching or removing. (0:23)

Count while touching.

 

Count on table without touching ...

How many candies? (0:12)

 

Share with ... , asks ...

? (0:48)

 

 

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Dr. Robert Sweetland's notes
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