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Are you planning a unit on preschool shapes? Crescents are an unusual and fun shape to add to the unit. Introducing the crescent shape can also lead you into a lesson about the Earth’s moon since one of the moon phases is a crescent.
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A crescent is a semi-circular or curved shape resembling the letter C and most notably is the shape of the moon when it is less than half illuminated. The crescent shape is used as an emblem on flags, as a design for jewelry and even in cooking. Students should be able to draw this shape easily since it does not require perfect sides and angles as with a square, rectangle or octagon shapes.
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- School glue
- Safe scissors
- Pattern or drawing of a crescent-enough for each student
- Large pieces of construction paper
Use a large pattern or copies of a crescent. Students can practice cutting by following the bold lines on the pattern. Then students should glue the crescent on a large piece of construction paper and create a new picture. Is the crescent shape part of a bird’s body or is the crescent a hat on someone’s head? Is it a boat in the water? Encourage individuality and imagination.
2. At the easel, use two or three colors of tempera paint to create a multi-colored page full of crescents.
3. Use play-dough to roll into long snake-like cylinders and turn them into crescents.
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The crescent shape is not found in all shape books but here is a great book to use:
Museum Shapes presented by the Metropolitan Museum of Art
This is a beautiful but simple book of shapes, which includes common shapes and unusual shapes found in art. Some of the uncommon preschool shapes used are the arch, oval, crescent and diamond.
Phases of the Moon by Gillia Olson
The book has simple text with pictures of the Earth's moon phases including the crescent.
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We know that the letter C is shaped like a crescent but what about the other letters? As a class, discover how many letters have the crescent shape as part of their formation. Some examples are O, B, D, R, G.
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Send a brief note home to parents asking if they could help their child find some crescent shapes at home. Suggest ideas such as elbow macaroni, jewelry, artwork, etc.
Include a piece of plain white paper with the note for the child to draw pictures of the crescent shaped items that were found at home.
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Students are ready and eager to learn, so include unusual choices in a unit on preschool shapes: crescents, hearts, diamonds and ovals. You'll be surprised at how many shapes they can point out in the daily surroundings.
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References and Resources
Preschool Math Skills: http://www.ixl.com/math/grade/pre-k/
Shape Game: http://www.sheppardsoftware.com/preschool/ngames/shapes.htm