Series: Focus on the Child

Changing Quantity with Child 13

Changing Quantity with Child 13

This is a Video - for grade levels Pre-K, Kindergarten
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A student computes how many objects are in a collection that is hidden from view.

Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence of children’s mathematical thinking. They are not teaching episodes or formal assessments.

  • Lightbulb icon for Big Ideas
    Big Idea

    A quantity (whole) can be decomposed into equal or unequal parts; the parts can be composed to form the whole. Read More

  • Lightbulb icon for Big Ideas
    Big Idea

    Sets can be changed by adding items (joining) or by taking some away (separating). Read More

  • Shapes icon for Common Core Alignment
    Common Core Alignment

    Number and Operations: Fractions Read More

  • Blocks icon for Foundational Math Topics
    Foundational Math Topics

    Read more about Number Operations