North Dakota Academic Content Standards
ND.K.MD. Measurement and Data
Describe and compare measurable attributes.
K.MD.2. Compare two objects with a common measurable attribute and describe the difference.
Classify objects and count the number of objects in each category.
K.MD.3. Classify objects into given categories limiting the number in each category to 10 or less. Count the numbers of objects in each category and sort the categories by count.