I have used geometer sketch pad for a number of years to create tessellations. I made this about 10 years ago and I still use it now
Tessellation
I have used geometer sketch pad for a number of years to create tessellations. I made this about 10 years ago and I still use it now
MathsHKO 
I love these vector questions and will use them with my class.
Should the “is” closest be changed to an “are” closest?
Should the second vectors on the triangles say BC instead of AB again?
Thank you for uploading these.
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Thank you for pointing out these errors. I have amended them now.
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