The task is to draw the line(s) of symmetry for each of the given shapes. A
line of symmetry is a line that divides a shape into two identical halves, such that one half is the mirror image of the other.
Solution and Explanation:
1.
Triangle (Equilateral Triangle):
- An equilateral triangle has
3 lines of symmetry. Each line passes through one vertex and the midpoint of the opposite side.
- Draw three lines: one from each vertex to the midpoint of the opposite side.
2.
Ellipse:
- An ellipse has
2 lines of symmetry. One line passes through the major axis (longest diameter), and the other passes through the minor axis (shortest diameter).
- Draw two lines: one horizontal and one vertical, passing through the center.
3.
Pentagon:
- A regular pentagon has
5 lines of symmetry. Each line passes through one vertex and the midpoint of the opposite side.
- Draw five lines: one from each vertex to the midpoint of the opposite side.
4.
Heart Shape:
- The heart shape has
1 line of symmetry. This line runs vertically down the middle, dividing the heart into two identical halves.
- Draw one vertical line through the center.
5.
Letter "E":
- The letter "E" does not have any lines of symmetry because there is no way to divide it into two identical halves.
- Do not draw any lines.
6.
Tulip Flower:
- The tulip flower has
1 line of symmetry. This line runs vertically down the middle, dividing the flower into two identical halves.
- Draw one vertical line through the center.
7.
Car:
- The car has
1 line of symmetry. This line runs vertically down the middle, dividing the car into two identical halves.
- Draw one vertical line through the center.
8.
Vase:
- The vase has
1 line of symmetry. This line runs vertically down the middle, dividing the vase into two identical halves.
- Draw one vertical line through the center.
9.
Stick Figure Person:
- The stick figure person has
1 line of symmetry. This line runs vertically down the middle, dividing the figure into two identical halves.
- Draw one vertical line through the center.
Final Answer:
-
Triangle: 3 lines of symmetry
-
Ellipse: 2 lines of symmetry
-
Pentagon: 5 lines of symmetry
-
Heart: 1 line of symmetry
-
Letter "E": No lines of symmetry
-
Tulip: 1 line of symmetry
-
Car: 1 line of symmetry
-
Vase: 1 line of symmetry
-
Stick Figure: 1 line of symmetry
Boxed Final Answer:
\[
\boxed{
\text{Triangle: 3, Ellipse: 2, Pentagon: 5, Heart: 1, E: 0, Tulip: 1, Car: 1, Vase: 1, Stick Figure: 1}
}
\]
Parent Tip: Review the logic above to help your child master the concept of symmetry worksheet 4th grade.
