Geometry Review Katie Smith © 2012

Quadrilaterals Katie Smith © 2012

What does “Quad” mean? Katie Smith © 2012

Quad means 4 Katie Smith © 2012

How many sides does a quadrilateral have? Katie Smith © 2012

A quadrilateral has 4 sides! Katie Smith © 2012

These are all quadrilaterals! Katie Smith © 2012

Kinds of quadrilaterals – see if you can name them! Katie Smith © 2012

p _ _ _ _ _ _ _ _ _ _ Katie Smith © 2012

parallelogram two sets of parallel sides Katie Smith © 2012

r _ _ _ _ _ _ 3 in. 3 in. 3 in. 3 in. Katie Smith © 2012

rhombus – all the sides are equal in length Katie Smith © 2012

t _ _ _ _ _ _ _ _ Katie Smith © 2012

trapezoid – only one pair of parallel sides Katie Smith © 2012

s _ _ _ _ _ Katie Smith © 2012

square – has right angles and ALL sides are the same length Katie Smith © 2012

r _ _ _ _ _ _ _ _ Katie Smith © 2012

rectangle Katie Smith © 2012

Other important polygons you need to know Katie Smith © 2012

Hint: think about pentominoes Katie Smith © 2012

PENTAGON Five sides, five angles Katie Smith © 2012

Eight sides, eight angles o _ _ _ _ _ _ Hint: an octopus has 8 legs Eight sides, eight angles Katie Smith © 2012

Eight sides, eight angles OCTAGON Eight sides, eight angles Katie Smith © 2012

Hint: Six has an X – so does the name of this shape. Six sides, six angles Katie Smith © 2012

HEXAGON Six sides, six angles Katie Smith © 2012

Points, Lines, and Segments Katie Smith © 2012

p _ _ _ _ A Katie Smith © 2012

point A Katie Smith © 2012

l _ _ _ B C Katie Smith © 2012

line B C Katie Smith © 2012

l _ _ _ s _ _ _ _ _ _ _ K S Katie Smith © 2012

l _ _ _ s _ _ _ _ _ _ _ K S Katie Smith © 2012

line segment K S Katie Smith © 2012

r _ _ S L Katie Smith © 2012

ray S L Katie Smith © 2012

p _ _ _ _ _ _ _ lines Katie Smith © 2012

parallel lines two lines that will never cross Katie Smith © 2012

i _ _ _ _ _ _ _ _ _ _ _ lines Katie Smith © 2012

intersecting lines lines that will cross if extended Katie Smith © 2012

p _ _ _ _ _ _ _ _ _ _ _ _ lines Katie Smith © 2012

perpendicular lines lines that cross to form right angles Katie Smith © 2012

Angles Katie Smith © 2012

o _ _ _ _ _ angle Katie Smith © 2012

obtuse angle bigger than a right angle – more than 90 degrees Katie Smith © 2012

a _ _ _ _ angles Katie Smith © 2012

acute angles are smaller than a right angle – less than 90 degrees Katie Smith © 2012

r _ _ _ _ angles Katie Smith © 2012

right angles look like the letter L and are 90 degrees Katie Smith © 2012

Perimeter Katie Smith © 2012

Think of Jurassic Park: “Secure the Perimeter Think of Jurassic Park: “Secure the Perimeter!” means get the fences ready! Katie Smith © 2012

Perimeter = the measurement All the way around an object Perimeter = the measurement All the way around an object *Add all the sides to find the perimeter! 6 in. 3 in. 4 in. Katie Smith © 2012

What is the perimeter of the triangle? 6 in. 3 in. 4 in. Katie Smith © 2012

P=13 inches! 6 in. 3 in. 4 in. Katie Smith © 2012

Area Katie Smith © 2012

Area is the measurement inside of an object. Katie Smith © 2012

Find the area by multiplying the sides Find the area by multiplying the sides. length x width = l x w What is the area of this rectangle? 7 in. 4 in. Katie Smith © 2012

Find the area by multiplying the sides Find the area by multiplying the sides. length x width = l x w What is the area of this rectangle? 7 in. A=28 square inches 7x4=28 4 in. Katie Smith © 2012

What is the area of this square? Katie Smith © 2012

What is the area of this square? Area=25 square feet 5x5=25 5 ft. Katie Smith © 2012

What is the area of this rectangle? 7 in. 3 in. 3 in. 7 in. Katie Smith © 2012

What is the area of this rectangle? 7 in. Area=21 square inches 7x3=21 3 in. 3 in. 7 in. Katie Smith © 2012

Good job Mathematicians!!! Katie Smith © 2012

Thank You! Thank you for downloading one of my digital products! I am always happy to continue updating my documents as I receive comments and/or questions.   If you would like to contact me please e-mail me at katiebaxsmith@gmail.com and I will get back to you as soon as possible. I would love your feedback! Keep checking my TpT store for reader’s and writer’s workshop items, math units, pre-made centers, and other exciting classroom items! http://www.teacherspayteachers.com/Store/Katie-Smith Katie Smith © 2012