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Exploring Geometry Concepts
For primary students, geometry lessons are perhaps the easiest to relate to the world outside the classroom. With these geometry activities for first grade, you can draw the connections in a fun, creative way, while reinforcing the simple concepts of circle, triangle, square, and rectangle.
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- Students will recognize circles, triangles, squares, and rectangles and identify their distinguishing attributes, including the number of sides, relationship of length and width, and other characteristics.
- Students will apply their knowledge by locating shapes in the real world objects around them.
- Students will use their understanding of shapes in art and writing.
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- Review shapes and their identifying attributes.
Hold up a tagboard triangle, and ask students to name it. Ask students to explain what makes it a triangle (three sides, etc.) Repeat the process with a square, rectangle, and circle.
- If students are still struggling with the basic shapes, let them “build" them with toothpicks and gum drops. Other students may combine their basic models to build houses, spaceships, or other designs to practice using the shapes.
- In small groups (three to four children), ask students to list examples of each shape that they can see in the classroom. For example, they might identify a clock as a circle or a window as a rectangle.
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- Provide a variety of plain or printed papers. Students should cut out shapes and combine them to create a picture. For those who have a hard time getting started, show them a tree made from a triangle and a thin rectangle or a house made from a square and a triangle. Students’ picture should include at least one of each of the four shapes.
- In pairs, students write shaped poems by listing the words from the small groups, writing them around the outline of that shape.
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As students share their pictures and poems, ask them to name the shapes and explain how they identified each one (number of sides, length of sides, etc.)
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- Students may use the lists from the small groups to write descriptive acrostic poems that include the attributes of each shape or the found objects that include the shape. Carry the theme a little farther by having them encase the first letter of each line in a decorated shape to match the poem. They may also illustrate their poems with pictures made up of their chosen shapes.
Quick to draw the four lines
Used for tables and tiles
All around me, in my
Rice Chex cereal, a great
Example of the shape.
- Use the same activities to introduce other shapes, including hexagons, pentagons, and three-dimensional shapes like cones, cylinders, and prisms.
- Tie your math lesson to science class by having students look at pictures of the constellations and pick out various shapes.
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With these fun activities, your class will be geometry geniuses in no time at all.
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- Students may practice identifying the shapes with a simple game at http://www.gpb.org/countonit/games/first/geometry
- Apples4theTeacher, at http://www.apples4theteacher.com/math.html#geometrygames, offers a number of geometry practice games.
Ideas for the lessons come from the author's 20 years of teaching experience.