**For four of the past five years** I have written about March madness at about this time of year. Â This year I am going to break the cycle. 327 more words

## Tags » Rhombus

#### Stop The Madness!

#### Quadrilaterals: parallelograms (Square, Rectangle and Rhombus)

Parallelograms

Unlike trapezoids, which are **quadrilaterals** with only one pair of opposite sides as parallel, if both the pairs of opposite sides are parallel, the quadrilateral is called a… 139 more words

#### The Sounds of Silence

What if there were a word composed entirely of silent letters? I’ve never heard of such a word, but that doesn’t mean it doesn’t exist. I didn’t know of the word “qi,” and I still don’t know what it means, but it gets Scrabble players really excited. 151 more words

#### The Rhombus in Nature

In geometry class back in secondary school, there was one happy day, at leastâ€”the day we talked about the rhombus. The rhombus is a parallelogram in which the angles of the opposite sides are equal: diagonals drawn through the center of these angles will intersect each other at right angles in the center of the rhombus (see fig. 347 more words

#### Pair It! Parrot! Colors and Shapes

## Goals of the lesson

Correctly name shapes regardless of their orientations or overall size.

Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size) 9 more words