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)