Blog

unchequer-step-5

By

David Shaw
,

There are whie and black counter in alternating squares. One corner is empty.

Subscribe

Categories:

Tags:

Similar posts

A whole lot of holes – a quick quiz

Try a Pi drop

Monster mash – a quick quiz

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

By submitting this form, you give CSIRO permission to publish your comments on our websites. Please make sure the comments are your own. For more information please see our terms and conditions.

12 months, 8 issues

Print & digital subscriptions available.

Subscribe

Newsletter

Sign up to our Double Helix newsletter

Gift advertisement

Stay in touch with new updates by signing up to our free newsletter

eNewsletter

Advertisement

CSIRO Publishing books gift campaign ad. Free shipping over $80!

Recent posts

Why choose the Double Helix magazine for your students?

Perfect for ages 8 – 14

Developed by experienced editors

Engaging and motivating

*84% of readers are more interested in science

Engaging students voice