youcubed: What’s Happening?
Here’s a journey into codes and cryptography. Have you ever started with a shape and kept adding additional shapes? What happens when you do?


The NRICH website publishes free mathematics resources designed to challenge, engage and develop the mathematical thinking of students aged 5 to 19. NRICH also offers support for teachers by publishing Teachers’ Resources for use in the classroom.

This task can be found at:

Math Topics
Cryptography, Patterning & Sequencing
Kindergarten, 1st Grade, 2nd Grade
Descriptions of PDFs

Click here for a poster of this problem.

What are you looking for?


youcubed (Stanford University)

Website URL

Type of Resource

PDF File

Assigned Categories