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Subitizing is instantly recognizing a quantity without having to count it. Kindergarten students learn to subitize quantities up to 10 in organized arrangements such as dot patterns, ten frames and fingers. In addition to instantly recognizing the quantity and naming the number they see, students should be able to explain how they see that number. For example if shown 5 dots, a student might say, "I see 3 and 2 and that makes 5." Another student might see it as 4 and 1 more. Subitizing is an important skill because it develops a deep understanding of numbers and is a precursor to addition and subtraction fluency. The videos below show some common tools used to develop subitizing and what a subitizing talk sounds like with dot patterns. Also included below are two fun songs and a set of dot cards you can use at home for subitizing practice.
Subitizing is instantly recognizing a quantity without having to count it. Kindergarten students learn to subitize quantities up to 10 in organized arrangements such as dot patterns, ten frames and fingers. In addition to instantly recognizing the quantity and naming the number they see, students should be able to explain how they see that number. For example if shown 5 dots, a student might say, "I see 3 and 2 and that makes 5." Another student might see it as 4 and 1 more. Subitizing is an important skill because it develops a deep understanding of numbers and is a precursor to addition and subtraction fluency. The videos below show some common tools used to develop subitizing and what a subitizing talk sounds like with dot patterns. Also included below are two fun songs and a set of dot cards you can use at home for subitizing practice.
What is subitizing?
Subitizing Talk
The Subitizing Song
Subitizing Rock Song
Van de Walle Dot Cards 1-10.pdfDot Cards 1-10 - Download & Print
To the left are a set of forty 1-10 dot cards. There are two cards on each page. Simply cut each page in half on the line and get ready to have some engaging subitizing talks with your child. At first, just work with your child on the 1-5 dot patterns. After your child is able to subitize all of those cards and has an understanding of the different combinations for each number, you may add on numbers 6 and 7 and then finally add numbers 8-10.
To the left are a set of forty 1-10 dot cards. There are two cards on each page. Simply cut each page in half on the line and get ready to have some engaging subitizing talks with your child. At first, just work with your child on the 1-5 dot patterns. After your child is able to subitize all of those cards and has an understanding of the different combinations for each number, you may add on numbers 6 and 7 and then finally add numbers 8-10.
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