What are subitizing cards used for, some may ask? These cards can allow students to visualize/picture quantities in various ways, which will assist them in problem solving and number sense. All you do is flash the card for a few seconds, put it away & students will tell you what they saw. Some responses from students when showing a card with 4 dots (one on each corner) may be: "I saw four, because I saw 2 dots on one side, and 2 on the other side," or "I saw four, because I know that when there are dots on each corner there are four, just like on a die," etc. The concept is to talk about quantities and the different ways numbers can be represented. You want to refrain from telling them how many dots are on the card or only showing one way to represent a quantity. Also, include the quantity of zero (included in the set of cards)!! Children love using the dot cards!!!
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