Texas TEKS K.2.C

ScienceKindergartenScientific and engineering practices

The Standard

use mathematical concepts to compare two objects with common attributes

Texas Essential Knowledge and Skills for Science

Teacher's field guide

What Students Need to Do: Students observe two objects and choose one shared feature, such as length, weight, or number of parts. They compare that feature using simple tools, counting, and words like longer, heavier, more, or equal.
What Mastery Looks Like: A student lines up objects at the same starting point or uses a balance correctly. The student names the feature compared and gives an accurate comparison.
Common Misconceptions: Students may compare different features, such as one object’s height with another object’s weight. They may judge by sight, misalign starting points, or think a larger object is always heavier.
How to Assess It: Give each student two classroom objects and ask, “Choose one feature to compare. Show how you compared them and tell what you found.”

Lesson moves

Give pairs two leaves and linking cubes, then have them line up the leaves and compare their lengths in cubes.
Show a spoon and a marker, then ask, “Which shared feature could we compare, and how could we prove our answer?”
Play Compare It by drawing two object cards and earning a point for making and proving an accurate comparison.
Compare two lunch containers by capacity, weight, or height, then discuss which comparison helps when packing lunch.

Free download

A ready-to-print activity worksheet aligned to K.2.C, with an answer key for the teacher on its own page. No account needed.

PDF, US Letter, prints cleanly in black and white.

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