Common Core: 1st Grade Math : Reason with Shapes and their Attributes
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #1 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a rectangle?
Because it has 
Because its color is blue
Because it is bigger than a square
Because it has 
Because it has 
Because it has
A rectangle has 
Example Question #2 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a circle?
Because it is a round, closed shape
Because its color is blue
Because it is small
Because it is a flat shape
Beacause it has 4 sides
Because it is a round, closed shape
A circle is a round shape, with no sides or edges.
Example Question #3 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape an octagon?
Because it has 
Because it has 
Because it looks like a stop sign
Because it is blue
Because it has 
Because it has
An octagon has 
Example Question #4 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a heptagon?
Because its blue
Because it has 
Because it has 
Because it has 
Because it is an open shape
Because it has
A heptagon has 
Example Question #5 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a hexagon?
Because it has 
Because it is blue
Because it has 
Because it has more sides than a pentagon
Because it has 
Because it has
A hexagon has 
Example Question #6 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a pentagon?
Because it has 
Because it has 
Because it has more sides than a square
Because it is blue
Becuase it has 
Because it has
A pentagon has 
Example Question #7 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape a trapezoid?
Because it looks like a roof
Because it is blue
Because it has 
Because it has 
Because it has 
Because it has
A trapezoid has 
Example Question #8 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape NOT a square?
Because it is blue
Because it does not have 
Because it does not have 
Because it is flat
Because it does not have 
Because it does not have
A square has to have 
Example Question #9 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape NOT a circle?
Because it is flat
Because it has sides
Because it is an open shape
Because it has 
Because it is blue
Because it has sides
A circle does not have sides, and this shape has 
Example Question #1 : Defining Versus Non Defining Attributes: Ccss.Math.Content.1.G.A.1
Why is this shape NOT a triangle?
Because it is flat
Because it does have 
Because it is not a closed shape
Because it is blue
Because it does not have 
Because it does not have
A triangle has 
All Common Core: 1st Grade Math Resources
