Collaborate with peers and practice the "language" of mathematics.Participate in an interactive read aloud with a geometric math focus.Move on to the next section to learn more about hexagons, heptagons, octagons, nonagons, and decagons. You started learning about circles and ovals that have no sides, then you learned about triangles that have three sides, and now you have made it all the way to decagons that have ten sides! Did you notice that the more shapes you learned, the more sides the shapes have?.You did a fantastic job learning all of these new two-dimensional shapes! This will help you remember how many sides it has. If you said a decagon has three more sides than a heptagon, you are correct! Try drawing a decagon in the sky with your finger. How many more sides does a decagon have than a heptagon?.The last shape you will learn about in this lesson is a decagon. Learn to pronounce "decagon" at below.Ī decagon is a two-dimensional, or flat, shape just like all the other shapes you have learned about in this unit. If you answered one more side, you are correct! Try drawing a nonagon in the sky with your finger. How many more sides does a nonagon have than an octagon?.Did you guess that the red shape in the opening picture of this lesson was a nonagon?.Nonagons have nine sides! Nonagon and nine both start with "N." What number do you think nonagon sounds similar to?Ĭount the sides with a parent or teacher.The shapes below are called nonagons. Learn to pronounce "nonagon" below.
Two dimensional shapes first grade how to#
This will help you remember how many sides it has.įollow along with the How to Draw an Octagon With a Square video from eHow below and see if you can draw your very own octagon. Try drawing a octagon in the sky with your finger. How many more sides does an octagon have than a hexagon?.Do you think an octagon has eight sides?Ĭount the sides of the octagon and tell a parent or teacher your answer.Īn octagon has eight sides, just like an octopus has eight legs! An octagon is a flat, two-dimensional shape, just like all the other shapes you have been learning about.Doesn't octagon kind of sound like octopus?.These shapes are called octagons. Learn to pronounce "octagon" below. Try drawing a heptagon in the sky with your finger. If you said a heptagon has more sides than a hexagon, you are correct! A heptagon has one more side than a hexagon. Does a heptagon have more or less sides than a hexagon?.The next shape you will learn about is called a heptagon. Learn to pronounce "heptagon" below.Ī heptagon is a two-dimensional shape. Sing and dance along to The HEXAGON Song | HeidiSongs' Sing & Spell Shapes! below: Try drawing a hexagon in the sky with your finger. Do they share any similarities with the shapes you have learned already?.Don’t forget, two-dimensional means flat.
Click on the blue icon below to learn how to pronounce "hexagon".Ī hexagon is a two-dimensional shape. The first shape you will learn about in this lesson is a hexagon. Look around your learning space for at least five shapes you see around the room. In the second Related Lesson, you learned about trapezoids, ovals, pentagons, and rhombuses. In the first Related Lesson, found in the right-hand sidebar, you learned about triangles, circles, squares, and rectangles.
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