Demonstrates an understanding that taking away decreases the number of objects in a group.
Operations and Algebraic Thinking
The child combines and separates groups of objects and names how many.
Learning the meaning of a number begins with hands-on experiences using a variety of objects found in the home, the classroom, and nature. To build an understanding of numbers and to discover number relationships, children need opportunities to describe the changes that result from putting sets of objects (e.g., blocks, animals, toy people) together or taking them apart.