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Day 12: Common Core Math Fourth Grade Domain 5

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by

Heather Scott

on 28 April 2015

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Transcript of Day 12: Common Core Math Fourth Grade Domain 5

DAY 12
SHAPES AND SYMMETRY

On the 12th day of math review, my teacher taught to me...
11 - Lines and Angles
10 - Protractors and Angles
9-Reading Graphs and Data
8- Perimeter and Area
7 - Customary and Metric
6 - Fractions times whole numbers
5 - Add and Subtract Fractions
4 - Fractions and Decimals
3 - Traditional Algorithms
2 - Place Value and Whole Numbers
1 - And what the operations mean
Shapes and Symmetry
POLYGONS
Is this a polygon?
What makes something a polygon?
1 - All sides straight
2 - Closed figure
3 - No "extra" lines
4 - No overlapping lines
Naming Polygons
How many sides?
triangle
quadrilateral
pentagon
hexagon
octagon
T
R
I
A
N
G
L
E
S
Think back to our three types of angles... what are they?
ACUTE
RIGHT
OBTUSE
This is an acute triangle. All it's angles are acute.
This is a right triangle. It has one angle that is a right angle.
This is an obtuse triangle. It has one angle that is obtuse.
QUADRILATERALS
A quadrilateral has FOUR sides.
Name these quadrilaterals.
And can you tell me what is special about each?
Which of these shapes have TWO pairs of parallel lines?
Which have ALL equal sides?
Which have ALL right angles?
Which of these has ONLY ONE pair of parallel sides?
Name these shapes.
Picture time!!
Draw me a...
acute
triangle
obtuse
triangle
right
triangle
What do all these pictures show?
sYMMETRY!!
Is this a line of symmetry?
Draw a figure with ONLY ONE line of symmetry.
Draw a figure with FOUR lines of symmetry.
Now you're ready to
ROCK THIS TEST!
Full transcript