2
DAY 3
Geometry
Math Vocabulary 2D shapes, flat, sides, corners, angles, triangle, quadrilateral, pentagon, hexagon. 3D shapes
• Identify 2D shapes with varying numbers of sides • Identify 3D shapes and their attributes
Small Group
Share the Story [The pages are not numbered. The title page is page 1.]
• Show the cover and introduce The Greedy Triangle. Say: In this book, a triangle gets tired of being a triangle. Let’s see what happens when the triangle tries to find a better shape to be. • Read pages 2–6 and ask: How many sides does the triangle have? Are the sides curved or straight? How many corners or angles does it have? • Talk about what the triangle spends its time doing. Call attention to when the triangle is the shape between elbows and a body and the fact that it can then listen to all the news. Talk about what happens when the triangle becomes dissatisfied. Ask: How does the shapeshifter help the triangle? Point out that a square and a rectangle are both quadrilaterals. • Continue reading. As you read, lead children to notice the story’s pattern—the triangle becomes dissatisfied and asks the shapeshifter for “one more side and one more angle.” Point out the things the triangle can be in its new shape. Before reading on, ask: What shape do you think the greedy triangle will become next? How many sides do you think that shape will have? • Engage children by asking questions, such as: What are the characteristics of this shape? Why might the greedy triangle enjoy being this shape? • Read to the end. Ask: Why you think the greedy triangle is happy and satisfied now? Extend the Learning • Shape Monsters Provide pre-cut construction paper triangles, quadrilaterals, pentagons, and hexagons of different sizes. Show the shapes and have children name them. Then give children construction paper and glue and have them use the shapes to create their own shape monsters. Invite children to show and share their monsters and talk about the shapes they used. • Shapeshifter Give children paper folded in fourths. In the first box, have them draw a triangle. Tell the children that the triangle went to the shapeshifter and have them draw a shape with four sides, a parallelogram. Then tell children that the triangle went to the shapeshifter and has another side. Have them draw a pentagon in the next space. Continue with a hexagon and finally a circle. “I Spy a Shape” Math Page Introduce the activity and read the directions. Work through the page together, helping children identify and label all of the 2D shapes they can see in the picture. Then introduce several of the 3D shapes, one by one, asking children to find and color the spheres, then the triangular prisms, and then the cylinders.
52 Scholar Zone Summer: Math
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