# Grade 1 » Measurement & Data

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## Standards in this domain:

#### Measure lengths indirectly and by iterating length units.

CCSS.Math.Content.1.MD.A.1
Order three objects by length; compare the lengths of two objects indirectly by using a third object.
CCSS.Math.Content.1.MD.A.2
Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

#### Tell and write time.

CCSS.Math.Content.1.MD.B.3
Tell and write time in hours and half-hours using analog and digital clocks.

#### Represent and interpret data.

CCSS.Math.Content.1.MD.C.4
Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.