Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 14.1 Answer Key Two-Dimensional Shapes.
Texas Go Math Grade 2 Lesson 14.1 Answer Key Two-Dimensional Shapes
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Use a ruler. Draw a shape with 3 straight sides. Then draw a shape with 4 straight sides.
FOR THE TEACHER • Have children use rulers as straight edges for drawing the sides of shapes. Have children draw a two-dimensional shape with 3 sides and then a two-dimensional shape with 4 sides.
Answer:
Explanation:
In the above image we can observe two shapes. The shape with 3 straight sides is called as triangle. The shape with 4 straight sides is called as quadrilateral.
Math Talk
Mathematical Processes
Describe how your shapes are different from the shapes a classmate drew.
Answer:
The classmate drawn a triangle and quadrilateral. I drawn pentagon and hexagon. So, the shapes are different.
Model and Draw
You can count sides and vertices to name two-dimensional shapes.
How many sides and vertices does each shape have?
Answer:
Explanation:
A polygon with 3 sides is called as triangle. This polygon has 3 vertices.
A polygon with 4 sides is called as quadrilateral. This polygon has 4 vertices.
A polygon with 5 sides is called as pentagon. This polygon has 5 vertices.
A polygon with 6 sides is called as hexagon. This polygon has 6 vertices.
Share and Show
Write the number of sides and the number of vertices.
Question 1.
triangle
__________ sides
__________ vertices
Answer:
A triangle has 3 sides and 3 vertices.
Explanation:
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.
Question 2.
hexagon
__________ sides
__________ vertices
Answer:
A hexagon has 6 sides and 6 vertices.
Explanation:
In geometry, a hexagon is a six-sided polygon or 6-gon.
Question 3.
pentagon
__________ sides
__________ vertices
Answer:
A pentagon has 5 sides and 5 vertices.
Explanation:
In geometry, a pentagon is any five-sided polygon or 5-gon.
Problem Solving
Write the number of sides and the number of vertices. Then write the name of the shape.
Question 4.
__________ sides
__________ vertices
Answer:
The name of the above shape is Hexagon.
Explanation:
In the above image we can observe one polygon. The polygon has 6 sides and 6 vertices. The name of the above shape is Hexagon. In geometry, a hexagon is a six-sided polygon or 6-gon.
Question 5.
__________ sides
__________ vertices
Answer:
The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Question 6.
__________ sides
__________ vertices
Answer:
The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Question 7.
__________ sides
__________ vertices
Answer:
The name of the above shape is triangle.
Explanation:
In the above image we can observe one polygon. A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.
Question 8.
__________ sides
__________ vertices
Answer:
The name of the above shape is pentagon.
Explanation:
In the above image we can observe one polygon. A polygon has 5 sides and 5 vertices. The name of the above shape is pentagon.
Question 9.
__________ sides
__________ vertices
Answer:
The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Question 10.
H.O.T. Multi-Step Alex draws a hexagon and two pentagons. How many sides does Alex draw altogether?
________ sides
Answer:
6 sides + 5 sides + 5 sides = 16 sides
Alex drawn 16 sides altogether.
Explanation:
Alex drawn a hexagon and two pentagons. A hexagon has 6 sides and 6 vertices. A pentagon has 5 sides and 5 vertices. Add 6 sides with 5 sides and 5 sides the sum is 16 sides. So, Alex drawn 16 sides altogether.
Question 11.
H.O.T. Lydia draws a shape that has 4 vertices. It is not a square. It is not a rectangle. Draw a shape that could be Lydia’s shape.
Answer:
Lydia’s shape is quadrilateral.
Explanation:
Lydia drawn a shape that has 4 vertices. It is not a square. It is not a rectangle. Lydia’s shape of the polygon is quadrilateral.
Daily Assessment Task
Choose the correct answer.
Question 12.
Apply Erin sees this shape. What ¡s the shape?
(A) pentagon
(B) triangle
(C) quadrilateral
Answer:
The shape is quadrilateral.
So, option C is correct.
Explanation:
Erin saw the above shape. The shape of the above polygon is quadrilateral. A quadrilateral is a polygon with four edges (sides) and four vertices (corners). So, draw a circle for option C.
Question 13.
How many sides does this shape have?
_________ sides
Answer:
The above shape have 5 sides.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is pentagon. A pentagon has 5 sides and 5 vertices.
Question 14.
How many vertices does this shape have?
_________ vertices
Answer:
The above shape has 6 vertices.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is hexagon. A hexagon has 6 sides and 6 vertices.
Question 15.
Texas Test Prep What is the shape of this sign?
(A) quadrilateral
(B) hexagon
(C) pentagon
Answer:
Option C is correct.
Explanation:
The shape of the above sign is pentagon. Pentagon has 5 sides and 5 vertices. So, draw a circle for option C.
Take Home Activity: Ask your child to draw a shape that is a quadrilateral.
Answer:
Explanation:
A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Texas Go Math Grade 2 Lesson 14.1 Homework and Practice Answer Key
Write the number of sides and the number of vertices.
Question 1.
triangle
__________ sides
__________ vertices
Answer:
A triangle has 3 sides and 3 vertices.
Explanation:
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.
Question 2.
quadrilateral
__________ sides
__________ vertices
Answer:
A quadrilateral has 4 sides and 4 vertices.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Question 3
pentagon
__________ sides
__________ vertices
Answer:
A pentagon has 5 sides and 5 vertices.
Explanation:
In the above image we can observe one polygon. A pentagon has 5 sides and 5 vertices.
Write the number of sides and the number of vertices. Then write the name of the shape.
Question 4.
__________ sides
__________ vertices
Answer:
The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. The name of the above shape is quadrilateral. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).
Question 5.
__________ sides
__________ vertices
Answer:
The above shape is hexagon.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is hexagon. A hexagon has 6 sides and 6 vertices.
Question 6.
__________ sides
__________ vertices
Answer:
The above shape is pentagon.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is pentagon. A pentagon has 5 sides and 5 vertices.
Problem Solving
Question 7.
Multi-Step Brittany draws a pentagon and two triangles. How many sides does Brittany draw altogether?
_________ sides
Answer:
5 sides + 3 sides + 3 sides = 11 sides
Brittany drawn 11 sides altogether.
Explanation:
Brittany drawn a pentagon and two triangles. A pentagon has 5 sides and 5 vertices. A triangle has 3 sides and 3 vertices. Add 5 sides with 3 sides and 3 sides the sum is 11 sides. Brittany drawn 11 sides altogether.
Lesson Check
Choose the correct answer.
Question 8.
What is the shape of this plate?
(A) pentagon
(B) quadrilateral
(C) hexagon
Answer:
Option C is correct.
Explanation:
The shape of the above plate is hexagon. Hexagon has 6 sides and 6 vertices. So, draw a circle for option C.
Question 9.
Ben’s favorite shape has 5 sides and 5 vertices. What is Ben’s favorite shape?
(A) triangle
(B) pentagon
(C) hexagon
Answer:
Option B is correct.
Explanation:
Ben’s favorite shape has 5 sides and 5 vertices. So, Ben’s favorite shape is pentagon. Draw a circle for option B.
Question 10.
Lynn drew this shape. What is the name this shape?
(A) quadrilateral
(B) triangle
(C) pentagon
Answer:
option A is correct.
Explanation:
Lynn drawn the above shape. The name of the above shape is quadrilateral. A quadrilateral has 4 sides and 4 vertices. So, draw a circle for option A.
Question 11.
Matthew sees this shape. What is the shape?
(A) hexagon
(B) triangle
(C) quadrilateral
Answer:
Option B is correct.
Explanation:
Matthew saw the above shape. The name of the above shape is triangle. A triangle has 3 sides and 3 vertices. So, draw a circle for option B.