1st Grade Measurement

Measurement in first grade means putting a number to how long something is, and these measurement worksheets for 1st grade start that work with pictures. On the ruler pages a child lines a picture up against a simple ruler or a row of unit blocks and reads how many units long it is. On the comparison pages two pictures sit side by side and the child decides which is longer or shorter, then often puts three in order by length. Measuring with units and comparing lengths are the core first-grade measurement ideas.

The step past kindergarten here is the unit: instead of just eyeballing which is bigger, a first grader counts the units along an object and gives its length a number. That is the beginning of real measuring, and it leads straight into inches and centimeters later on. The pictures and rulers are large and clearly marked, so a child can count each unit without losing their place.

A dozen first-grade measurement sets are ready to use. Print a worksheet as a PDF for math practice, print the answer key so you can check each length quickly, or play the identical activity online with a tap. It is completely free for everyone, with no account, no sign-up, and no cap -- a clear, hands-on introduction to measuring length with units and comparing how long things are.