Videos, solutions, examples and songs to help Grade 1 kids learn how to order three objects by length and compare the lengths of two objects indirectly by using a third object.
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.
Common Core: 1.MD.1 and 1.MD.2
Comparing three objects by length (1.MD.1).
Ordering Objects by Length
Order three objects from shortest to longest
Compare the length of two objects by using a third object.
Compare the length of two hot dogs by using a third hot dog.
Comparing Lengths and Heights
Measure Lengths (Non-Standard and Standard Units)
The Common Core State Standards (CCSS) videos are designed to support states, schools, and teachers in the implementation of the CCSS. Each video is an audiovisual resource that focuses on one or more specific standards and usually includes examples/illustrations geared to enhancing understanding. The intent of each content-focused video is to clarify the meaning of the individual standard rather than to be a guide on how to teach each standard although the examples can be adapted for instructional use.
Measuring Length (Non-standard Units)
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