Stuck? Start here. Read the steps, try the problem, then check your answer.
I can…
I can use bilateral symmetry to describe structure in nature and in human creations.
Key words
symmetric — Having two halves that match — one side is a mirror image of the other.
mirror image — A copy of a figure flipped across a line, so the two halves face each other.
bilateral symmetry — Reflective symmetry in plants and animals — the two sides of the body mirror each other.
line of symmetry — The line you can draw through a figure so each side is a reflection of the other.
balance — An even, steady arrangement — neither side feels heavier than the other.
Steps
I look at the two sides of the butterfly, and they look like mirror images — the butterfly is symmetric.
All butterflies have reflective symmetry. In plants and animals, this is called bilateral symmetry.
To show it, I draw a line down the middle of the butterfly's body: everything on the left is reflected on the right.
Try it
Which statement best shows what this lesson means by 'math is beauty'?
Check your answer
Math creates beautiful designs like bilateral symmetry, found in nature and used in human art, music, and architecture
The summary makes the claim in two parts: bilateral symmetry appears naturally in many plants and animals, and it also influences human creations from art to music to architecture.
Sentence starter
I know ___ because ___.
Goal: I can describe a symmetric design using the words mirror image, line of symmetry, and balance.