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Quadrilateralsby Lisa Sowatsky
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Properties of parallelograms: 1) opposite angles are congruent 2) opposite sides are congruent 3) opposite sides parallel 4) diagonals bisect each other 5) consecutive angles supplementary
all the properties of parallelograms PLUS: all right angles, diagonals are congruent
all properties of parallelograms PLUS: all sides congruent, diagonals are perpendicular
all properties of a parallelogram PLUS: all properties of rectangles and rhombi
exactly one pair of parallel sides; leg angles supplementary
special trapezoid where the legs are congruent; diagonals perpendicular; base angles congruent
trapezoid that contains a right angle
diagonals are perpendicular; 2 pairs consecutive sides congruent; angles formed by non congruent sides are congruent
Have you checked out the vocabulary terms on quizlet yet? Play scatter to see if you can get the high score! quizlet.com Quizlet is a lightning fast way to learn vocabulary.
Missed a lesson? Check the weebly for notes and screencasts. mrssowatskysmath.weebly.com Week of 8/28: This is a short week because of Labor Day Weekend. Make sure you are checking PowerSchool to know your current grade. Our first mass this school year is on Wednesday. Visit the website...
Grab some friends and challenge them to Kahoot! Take a screenshot of the final score and email to Mrs. Sowatsky for extra credit (Regular Geometry and Concepts Geometry) create.kahoot.it Create a game of kahoot here. Kahoot! is a free game-based learning platform that makes it fun to learn – any subject, in any language, on any device, for all ages!
Check out this quadrilateral song! www.youtube.com Classifying Quadrilaterals can be easy. Listen to this parody of Imagine Dragon's "Radioactive" to help you! Feel free to sing along and, as always, subscrib...
Still having trouble with quadrilaterals? Try this! www.khanacademy.org Quadrilaterals only have one side more than triangles, but this opens up an entire new world with a huge variety of quadrilateral types. Learn about it here.
How do you make a kite? www.youtube.com The easiest how-to instructions for how to make a kite that will fly. Check out the how to make a kite activity page at Kidspot Australia: http://www.kidspot...
Let's go fly a kite! www.youtube.com Another good song from Mary Poppins, and also featured in the film Saving Mr Banks. It's a pity we never found out what she (P.L.Travers) publicly thought of...
What is true about trapezoids that is not true about parallelograms? www.coolmath.com Definitions and formulas for the radius of a circle, the diameter of a circle, the circumference (perimeter) of a circle, the area of a circle, the chord of a circle, arc and the arc length of a circle, sector and the area of the sector of a circle
Take this quiz for extra practice. How much do you know? www.thatquiz.org GEO: Ch6 - Polygons & Quad. Properties (Maynard)
What is the plural form for rhombus? www.merriam-webster.com a parallelogram with four equal sides and sometimes one with no right angles… See the full definition
What is the British term for trapezoid? Why are trapezoids controversial? mathworld.wolfram.com Trapezium -- from Wolfram MathWorld
Don't forget about polygons and their angles! Let this site remind you about interior and exterior angles of polygons geometry.flippedmath.com G.3.1: Identify and describe characteristics of convex, concave, and regular polygons G.3.4: Determine the sum of both the interior and exterior angle measures of a polygon
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