Dot cards build number sense and promote early math skills, particularly Spatial Skills and Non-symbolic Number knowledge. By quickly recognizing spatial arrangements of dots, such as those on a dice or domino, students are able to see how many dots there are without Counting.
Starting at 2:10, watch how this elementary teacher uses dot cards to encourage Non-symbolic Number understanding. By asking students to explain how they got their answers, this teacher supports their math Language Skills and development of Mathematical Flexibility.
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Subitizing Flash Cards displays dot cards with varying objects to encourage pattern recognition and understanding of part-whole relationships. Because learners must select the numeral of the corresponding quantity displayed on a dot card, they also build their number understanding.