First Impressions

This activity will collect data about your first impressions of some optical illusions. When you have finished you will have access to all the data collected by this activity and invited to do some statistical analysis. Your work could be part of a school project, coursework or school internal assessment.

What do you see first?

This image is in the public domain

What do you see first?

This source of this image is unknown

What do you see first?

By Brocken Inaglory (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons

What do you see first?

This source of this image is unknown

What do you see first?

By Nobuyuki Kayahara (Procreo Flash Design Laboratory) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

What do you see first?

This source of this image is unknown

What do you see first?

This source of this image is unknown

You have seen all of the images. Now record your age group

Finally are you male or female?

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

You may also be interested in the Mathematical Optical Illusions.

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