Printable Size and Length Worksheets
Printable size and length worksheets for kindergarten, with an answer key on every sheet. The sets below cover 2 different skills, so you can start where your child actually is. Available as sorting activities.
Targeted Practice by Skill
About Size and Length
What this skill is
Comparing measurable attributes means looking at two objects that share a feature -- like overall size or length -- and deciding which one has more of it. This is an early measurement skill: before a child can measure with units, they need to reliably judge which of two things is bigger or longer just by looking.
When children learn it
Size and length comparison is a kindergarten measurement and data skill, typically practiced alongside sorting and counting. It builds directly toward later measurement work with rulers and standard units.
Common Mistakes
- Judging by a different attribute than the one asked about, such as picking the picture with more detail instead of the bigger one.
- Confusing 'long' with 'big' when an object is small overall but stretched out.