Order three objects by length; 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.
| Screenshot | Name / Description | Flag? | Rating |
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| Hop To It Help the frog cross the pond with different size jumps. |
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| Biggest or Smallest? Select the biggest or smallest in the group |
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| Short or long? Pick the shortest or the longest in the group |
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| Measurement Quiz Use the and answer the proper length |
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