Standards in this domain:

• K.MD.1
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• K.MD.2
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• K.MD.3

Describe and compare measurable attributes.

• K.MD.1. Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.
• K.MD.2. Directly compare two objects with a measurable attribute in common, to see which object has “more of”/“less of” the attribute, and describe the difference. For example, directly compare the heights of two children and describe one child as taller/shorter.

Classify objects and count the number of objects in each category.

• K.MD.3. Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.¹