For example, lots of kids write the number 5 backward, and young children often reverse the order of two-digit numbers (41 for fourteen) because they hear the 4 first. It’s important to note here that it might take your child a while to write cardinal numbers correctly. The math activities below will focus on helping children get comfortable with counting as well as recognizing number symbols - two important factors when learning the principles of cardinal numbers. You can either write them in numerical form (e.g., 1, 2, 3, 4, etc.) or spell them out as words (e.g., one, two, three, four, etc.). How Do You Write Them?Ĭardinal numbers refer to a set of real-life objects. Kids will learn to recognize (and write) the symbols that represent the numbers they count, and they will begin to understand that the last number you say represents all of the items in the group you are counting. There are other aspects of learning cardinal numbers, as well. Children might begin by mastering 1-5 and then 1-10 and then 1-20…and then 1-100! There are steps in learning these numbers both in terms of how high you count and how you count. This ability is central to almost all other math work a child will be asked to do. Learning to count with cardinal numbers is one of the most important math skills a child must master. For example, if someone asks, “How many cookies are in the jar?” we use cardinal numbers (i.e., one, two, three, etc.) to count and determine the amount. Cardinal numbers are the numbers we use for counting and so are also called counting numbers.
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