Regular Tessellations

• HW • Study Links: 3-8

• Mental math:318 X 143.18 X 1431.8 X 143.18 X 1.4

Always, sometimes or never

• Squares are _______________ rectangles.• Rhombuses are _____________ rectangles.• Trapezoids are _____________ rectangles.• A kite is _______________ a parallelogram.• Rectangles are _____________ squares.

Today we will learn

How to create tessellations?

Review:PolygonsKinds of QuadrilateralRegular Polygons

Read

• SRB pg 161 and 161.• Discuss and note down important highlights.• Tessellation • Regular tessellation

Illumination

• http://illuminations.nctm.org/Lesson.aspx?id=5903

• Create your tessellation:• http://illuminations.nctm.org/Activity.aspx?id

=3533

Closure

• Tessellation• Regular tessellation• Which regular polygons will tessellate?