Compare Object Lengths with a 10-Unit Ruler Worksheet

The compare object lengths worksheet asks children to line up each picture with the ruler start, then count units up to the picture end to write a number.

The compare object lengths worksheet records the measured unit count for each object in a dedicated box, then uses those numbers to support longer-versus-shorter comparisons.

The compare object lengths worksheet focuses on measuring and comparing by counting unit marks, so children practice accuracy before making a longer-or-shorter decision.

Adults can guide the first object together, then prompt the child to count units aloud while the adult points to the ruler marks and double-checks the final written number.

A child should recount units from the ruler start for both objects on the compare object lengths worksheet, then compare the written unit counts instead of relying on eye-balling.