K.MD.B.3 — Free Activities & Worksheets

Free Common Core K.MD.B.3 activities and worksheets for Kindergarten, aligned to the Measurement & Data strand. Browser-playable interactive exercises plus printable PDFs, available in all 11 supported languages — no signup, no paywall.

Kindergarten·Measurement & Data·K.MD.B.3

Interactive activities

Grade K·K.MD.B.3

Sort and Count — Classify Objects by Category | Kindergarten Measurement & Data

Look at a mixed set of pictures, decide what each one is, then tap how many belong to the named group. A no-pressure Kindergarten activity aligned to Common Core K.MD.B.3 — classify objects into categories and count how many are in each.

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Printable worksheets for this standard

Frequently asked questions

What is covered under K.MD.B.3?
K.MD.B.3 sits in the Measurement & Data strand for Kindergarten. This page gathers the free interactive activities and worksheets aligned to it.
Are these K.MD.B.3 resources free?
Yes. Every activity and worksheet aligned to K.MD.B.3 is free to use online and to print — no signup and no paywall.
Who are these K.MD.B.3 activities for?
They are built for Kindergarten teachers and learners following the Common Core Measurement & Data progression, and work for class, small-group, or home practice.