Learning Outcomes
Length of each picture object → measure on a 10-unit ruler → record matching unit numbers in the data boxes.
Ruler starting point at zero → align object edges to the ruler mark → get more accurate unit readings and fewer measurement mistakes.
Measured lengths of five objects → compare the unit values → choose the longest and shortest objects and explain reasoning with numbers.
Compare Object Lengths Worksheet for 1st Grade
The Compare Object Lengths Worksheet for 1st Grade helps children practice length measurement by using a 10-unit ruler and recording unit numbers for five picture objects.
Length measurement builds steady number sense, and recording measurement data helps children make sense of size using numbers instead of guessing.
Grab a pencil and a ruler. Measure each picture object by lining up the left edge with the ruler’s zero mark, count the units, and write the unit number in the worksheet’s data box, then compare the measured lengths for longest and shortest.
This specific Compare Object Lengths Worksheet uses five objects with different lengths on a 10-unit scale, so children get repeated practice at reading the ruler and filling in measurement data without getting lost.
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