Subitizing is an important skill that helps lay the foundation of understanding wholes and parts, which evolves into addition, subtraction, and later multiplication and division. In this episode, we’ll discuss the two types of subitizing, dig into ways we can encourage these skills, and understand the natural progression of subitizing skills to follow with your students. Sound good? The press play!

In this episode, we explore how the ability to instantly recognize quantities without counting supports deep mathematical understanding. This foundation matters not just in the moment, but across a child’s development. From early number sense to part-whole relationships and fluency with operations, subitizing lays critical groundwork.

We take a closer look at how these ideas unfold over time, how to support them intentionally, and how to spot what your students’ strategies reveal about their understanding and fluency development.

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