Measuring Liquid Volume

Overview In this resource, we discuss the teaching and learning of measuring liquid volume. Specifically, we attend to how students’ understanding of liquid volume might progress through the four stages of measurement. This resource builds on our measurement overview,...

Addition and Subtraction, Part 2: Initial Story Situations

Overview In this resource, we discuss the first situation types that students typically experience when introduced to addition and subtraction story problems in Kindergarten. Studying these situations allows teachers to see how students begin to understand the...

Addition and Subtraction, Part 1: Story Problems

Overview In this resource, we discuss the teaching and learning of addition and subtraction. Often, students’ understanding of this topic is heavily grounded in rote computation of numbers, separated from any real-life context. Unfortunately, this can leave gaps in...

Fluency and Flexibility with Numbers

Have you seen students in upper elementary or middle school use their fingers to calculate? What early elementary experiences would build fluency with mental calculation so students would not need to rely on their fingers in later grades? The mathematics resource...
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