Welcome aboard, Number Explorer!

How big can you read?

Pick a level, launch a number, and read it one colorful chunk at a time.

Your numberMillions level

48207315

Say it out loud first…

Your number decoder

Read one chunk at a time

Tip: Pause at every comma!

Step 148

forty-eight

million

Step 2207

two hundred seven

thousand

Step 3315

three hundred fifteen

ones

Read each chunk from left to right, then say its place-value name.

Read each chunk from top to bottom, then say its place-value name.