Subitizing is being able to instantly see how many. We are working on developing different counting strategies and building a foundation for place value concepts. The Connected Kinders are doing amazing math with the app Quick Images. With this app, a graphic of objects is flashed on the screen and then disappears. The students have to be able to tell how many but they do not have the time to count each item. Quick Images fosters the development of number sense by having children compose and decompose the numbers in a variety of ways. For instance,a child might see 17 as 10+5+2 or 5+5+5+2. Subitizing also helps develop addition and subtraction strategies.
After practicing this app for only a couple weeks, the students are not only quick at grouping and counting the numbers but they have also become very proficent at explaining their thinking. If you are interested in buying this 99 cent app click here.
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