Manifest

Get your math class talking.

What’s missing?

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Free visual math activities for grades K–6.

VISUAL ESTIMATION · WHOLE CLASS OR TEAMS

On the Dot!

How close can you get?

Choose a unit, make your estimate, and reveal the answer. Explore length, weight, capacity, area, volume, and collections through 27 three-round activities.

Explore On the Dot! →
A school bus: one of the everyday objects students estimate
Illustration of students sharing ideas around a classroom Pattern Reveal screen.One shared screen. Many ways to join in.

MADE FOR THE ROOM YOU TEACH IN

One screen.
A whole class thinking.

Bring the activity to your class. Students bring their ideas.

  1. 1

    Open an activity.

    Choose your grade and explore the teacher details.

  2. 2

    Put it on your classroom screen.

    Launch from your browser. No student devices or accounts needed.

  3. 3

    Get students thinking and working.

    Make a prediction, pause for a partner conversation, or ask someone to show their thinking.

Find something for your class →

Find an activity for your class

A place to start for 5th grade. Choose a pattern or step into a story.

STORY LESSON

Explore a concept through a story.

Sugar Crashers - Comparing Decimals

Decimals · Comparing

Sugar Crashers - Comparing Decimals

Follow a story together. Pause to work through the math and compare ideas along the way.

MORE THAN AN ANSWER

Same picture.
Different ways
of thinking.

A shared representation gives students something to point to. It also gives you a way to hear how they reason.

12 + 18. How do you see it?

12 + 8 + 10 = 30

Split 18 into 8 and 10. Add 8 to 12 to make twenty, then add the remaining ten.

THE FULL LIBRARY

Find your next
math conversation.

Patterns to notice. Stories to explore.
Sign up for a free account to access the entire activity library.

Manifest is free. An account gives you access to the full library.

A FEW GOOD QUESTIONS

Before you
bring it to class.

Is Manifest really free?

Yes. Sign up for a free account to access the entire activity library.

What can I try without an account?

You can try a few sample activities without signing up. Create a free account when you’re ready to explore the entire library.

Do students need devices or accounts?

No. Open an activity in your browser and share it on your classroom screen. Students can discuss, draw, write, or use the materials you choose.

Which grades and topics can I find?

Start with the K–6 grade buttons above, then browse the libraries by grade and topic. Activities include whole numbers, fractions, decimals, and more; availability varies by grade.

What do I need to prepare?

You need a browser and a screen your class can see. Check the activity’s teacher details for its content and any worksheets or materials before teaching.

Your next math conversation
starts here.

Or try an activity first

Try sample activities without an account.