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Sort Lab · Kindergarten through Grade 8 published library

Think, sort, justify.

Students match cards that share a mathematical idea and defend their reasoning. Find a ready-made sort for your lesson or use your own cards.

See what’s inside
Filter the Sort Lab library and match published picture cards in a classroom round.

2,109

published sorts

9

grade levels

4

curricula

Verified database snapshot of published sort resources during this update; drafts and Pre-K are not included. Published content and trial access are different.

What you can do with Sort Lab

Find the right sort

Filter by curriculum, grade, unit or module, concept or standard, and search.

Choose how to play

Use whole-class or team play to make connections and discuss matches.

Use your own materials

Upload a sort or assign published activities using the teacher tools.

A simple classroom workflow

  1. 1

    Filter the library and choose a sort.

  2. 2

    Choose whole-class or team play.

  3. 3

    Match cards, explain the connection, and discuss disagreements.

Picture it in your classroom

  • Connect words, diagrams, and symbolic representations.
  • Surface misconceptions through a disputed match.
  • Review a unit with collaborative team play.

Curriculum and standards connections

Published sorts include Eureka Math, Eureka Math², Illustrative Mathematics, and Open Up Resources. Lesson and standards labels are provided where recorded. These are independently created resources, not publisher-endorsed materials.

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$79 per teacher, per year

Renews annually. Cancel from Manage subscription. Buying this app does not include the other apps.

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Questions before you start?

Is Pre-K included?

Pre-K content is currently unpublished. The published grade count covers Kindergarten through Grade 8.

Can I choose a team mode?

Yes. The Play dialog offers whole-class and team options. Individual trial access remains limited to the configured sample content.

Do I need to buy if my school provides access?

No. Sign in to see your existing school access in the purchase options.

How does the free trial work?

Each app has its own three-day trial, started when you first open that app. No card is needed. Trial features and content are limited; purchasing is a separate action.

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