One-to-One Correspondence

What is and Why is One-to-One Correspondence Important?

One-to-one correspondence is the ability to match an object to a corresponding number and recognize that the number has a value. Often young children count 1,2,3 but do not make the connection from the word number "five" to the number of objects in a given set . Developing one-to-one correspondence is extremely important.

Simply put, one-to-one correspondence is the most fundamental skill needed to do math. Without one-to-one correspondence, students will struggle in all areas of math. (see video below for more detail)

How to Teach One-to-One Correspondence

Here are some simple ways you can help support the development of one-to-one correspondence skills in your classroom or at home:

• Count together with children as often as possible.

• Move each object from one side to another as you say each number word aloud.

• If the object cannot be moved, point or touch the items as you say each number word aloud.

• Asking children questions such as, “How will you keep track of the objects you’ve already counted and which ones you haven’t counted?”

Game and Activities that will help develop One-to-One Correspondence:

• Gross Motor

• Activities

• Dice Games