To identify each polygon, we count the number of sides (straight lines) that make up the shape. Here is the step-by-step identification:
1.
Shape 1: This shape has 4 equal sides and 4 right angles. It is a
Square.
2.
Shape 2: This shape has 3 sides. It is a
Triangle.
3.
Shape 3: This shape has 4 sides with opposite sides parallel. It is a
Parallelogram.
4.
Shape 4: Let's count the sides carefully. Starting from the top and going clockwise: 1, 2, 3, 4, 5, 6, 7, 8. It has 8 sides. It is an
Octagon.
5.
Shape 5: This shape has 3 sides and one square corner (right angle). It is a
Right Triangle.
6.
Shape 6: This shape has 3 sides. It looks like two sides are equal length. It is a
Triangle (specifically an Isosceles Triangle).
7.
Shape 7: This shape has 4 sides with only one pair of parallel sides. It is a
Trapezoid.
8.
Shape 8: Let's count the sides. 1, 2, 3, 4, 5. It has 5 sides. It is a
Pentagon.
9.
Shape 9: This shape has 4 sides with opposite sides parallel. It is a
Parallelogram (or specifically a Rhombus if all sides are equal, but Parallelogram is the general term).
10.
Shape 10: This shape has 3 sides. It is a
Triangle.
11.
Shape 11: This shape has 4 sides and 4 right angles, but the sides are not all equal length (it's longer than it is tall). It is a
Rectangle.
12.
Shape 12: Let's count the sides. 1, 2, 3, 4, 5, 6. It has 6 sides. It is a
Hexagon.
Final Answer:
1. Square
2. Triangle
3. Parallelogram
4. Octagon
5. Right Triangle
6. Triangle
7. Trapezoid
8. Pentagon
9. Parallelogram
10. Triangle
11. Rectangle
12. Hexagon
Parent Tip: Review the logic above to help your child master the concept of polygons worksheet 3rd grade.