Place-Value Mats Provide a Method for Organizing Base-Ten Materials

question 16

Multiple Choice

Place-value mats provide a method for organizing base-ten materials.What would be the purpose of using two ten-frames in the ones place?

• A)Show the left-to-right order of numbers.
• B)Show how numbers are built.
• C)Show that there is no need for regrouping.
• D)Show that there is no need for repeated counting.

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Definitions:

O-Horizon

The uppermost layer of soil, primarily composed of organic matter, including decomposed leaves, twigs, and other plant material.

Arid Climate

A dry climate with very little precipitation, insufficient to sustain much plant life, typically found in desert regions.

Slope Failures

A general term for various types of mass wasting or landslides that occur when a slope becomes unstable and collapses.

Rate of Movement

The speed at which a certain object or substance moves through space or a medium.