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Rotational symmetry is when an object maintains its shape even after being rotated. When rotated 180 degrees, "SWIMS" still looks like "SWIMS." In certain fonts, the lowercase letters a, c and l are horizontally symmetrical, the lowercase letters u, v and w are vertically symmetrical, and the lowercase letter o is infinitely symmetrical.


Let's review the Alphabet Symmetry with the chart above. Based on the number of lines of symmetry a letter has, that's how much the letter is "worth". Letters with zero lines of symmetry are worth zero points. Letters with one line of symmetry are worth one point. Letters with two lines of symmetry are worth two points.


Certain words have lines of symmetry, as well. When written in block capital letters, ICEBOX, DECIDED, EXCEEDED, CHECKBOOK, HIDE and CHOICE all have horizontal symmetry. A few capital letters have "rotational symmetry," which means they are identical if they are turned 180 degrees. These letters are H, I, O, S, X and Z.


Investigating Symmetry In Our Alphabet. A number of letters in our alphabet contain symmetries. More specifically, several letters can be reflected across a horiztal or a vertical line going thorugh their center. The screen below will allow you try selecting the ones with these two symmetry.


Now search for the letters with a vertical axis of symmetry (letters that have the same shape on the left as on the right, like M, A and O). Can you create words and sentences with vertically symmetrical letters? Create puzzles by using half-letters to spell out words for a partner to solve, with or without a mirror.


Symmetrical letters are those that may be divided into two identical "mirror images", or rotated to provide the same appearance. Assuming our letters are simple and unadorned (such as this ...


ANSWER KEY Alphabet Symmetry Tell whether the dotted line on each letter represents a line of symmetry. Write yes or no. Draw a line of symmetry on each letter.


A line of symmetry is the exact middle of a shape. This math worksheet gives your child practice drawing lines of symmetry on letters and numbers.


Symmetry worksheets consist of a variety of skills to understand the lines of symmetry in different shapes. Exercises to identify and draw the lines of symmetry, complete the shapes, count the lines of symmetry in each shape, to identify symmetrical or asymmetrical shapes and to determine the perimeter of shapes are given here for practice.


Which figure shows a line of reflectional symmetry for the letter T? C. Which triangle has 0 reflectional symmetries? A. Which set of side lengths represents a triangle with 3 lines of reflectional symmetry? 5, 5, 5. Which figure has the same order of rotational symmetry as a rectangle?