Defining Versus Non-Defining Attributes: CCSS.MATH.CONTENT.1.G.A.1
Help Questions
1st Grade Math › Defining Versus Non-Defining Attributes: CCSS.MATH.CONTENT.1.G.A.1
Why is this shape NOT a triangle?
Because it does not have 
Because it is flat
Because it is blue
Because it is not a closed shape
Because it does have 
Explanation
A triangle has 
Why is this shape a square?
Because it has 
Because it has 
Because its color is blue
Because it is big
Because it has 
Explanation
A square has 4 equal sides.
If I make the rectangle below bigger, does that change the type of shape that I have?
No
Yes
Explanation
Changing the size of a shape does not change the type of shape. Size is considered a non-defining attribute, which means no matter how big or small a rectangle is, it's still a rectangle.
Why is this shape a rectangle?
Because it has 
Because it has 
Because its color is blue
Because it is bigger than a square
Because it has 
Explanation
A rectangle has 
If I add another side to the shape below, would that change the name of the shape?
Yes
No
Explanation
If I added another side to the triangle, I would no longer have a three-sided shape, I would have a four-sided shape. By definition, a triangle has three sides, so if I added another side I would no longer have a triangle. The number of sides a shape has is an example of a defining attribute, which means it does determine whether or not a shape is a certain shape.
If I change the color of the rectangle, does that change the type of shape that I have?
No
Yes
Explanation
Changing the color of a shape does not change the type of shape. Color is considered a non-defining attribute, which means no matter what color a rectangle is, it's still a rectangle.
Why is this shape an octagon?
Because it has 
Because it is blue
Because it looks like a stop sign
Because it has 
Because it has 
Explanation
An octagon has 
If I make the rectangle below smaller, does that change the type of shape that I have?
No
Yes
Explanation
Changing the size of a shape does not change the type of shape. Size is considered a non-defining attribute, which means no matter how big or small a rectangle is, it's still a rectangle.
If I make the triangle below bigger, does that change the type of shape that I have?
No
Yes
Explanation
Changing the size of a shape does not change the type of shape. Size is considered a non-defining attribute, which means no matter how big or small a triangle is, it's still a triangle.
Why is this shape a hexagon?
Because it has 
Because it has 
Because it has more sides than a pentagon
Because it is blue
Because it has 
Explanation
A hexagon has 