Mathematics Grade 1 15 min

Name the three-dimensional shape

Name the three-dimensional shape

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1

Introduction & Learning Objectives

Learning Objectives Identify a cube from a group of shapes. Identify a sphere from a group of shapes. Identify a cylinder from a group of shapes. Identify a cone from a group of shapes. Name the 3D shape of a real-world object. By the end of of this lesson, students will be able to point to a 3D shape when its name is called. Look around your room! 🧸 What fun, solid shapes can you find? We will learn the names of cool shapes you can hold. These are called 3D shapes. Knowing their names helps us talk about our world. Real-World Applications A bouncy ball is a sphere 🏀 A can of soup is a cylinder 🥫 A birthday gift is a cube 🎁 An ice cream cone is a cone 🍦
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Key Concepts & Vocabulary

TermDefinitionExample Three-Dimensional (3D) ShapeA solid shape that is not flat. You can hold it in your hands.Your favorite toy car 🚗 or a building block. CubeA box shape with six flat square sides, like a dice.A toy block or a small gift box 🎲. SphereA perfectly round shape that can roll, like a ball.An orange 🍊 or a soccer ball ⚽. CylinderA shape with two flat circles and one curved side.A can of beans 🥫 or a paper towel roll. ConeA shape with one flat circle and one pointy top.A party hat 🎉 or an ice cream cone. Rectangular PrismA box shape that can be long, like a brick or a book.A juice box 🧃 or a cereal box.
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Core Formulas

The Cube Rule 🎲 Look for 6 flat square faces. If a shape looks like a perfect box, it is a cube. It can stack well. The Sphere Rule ⚽ Look for a shape with 0 flat faces. If a shape is perfectly round and can roll easily, it is a sphere. The Cylinder Rule 🥫 Look for 2 flat circle faces. If a shape can roll and also stack on its flat ends, it is a cylinder. The Cone Rule 🍦 Look for 1 flat circle face and 1 pointy top. If a shape looks like a party hat, it is a cone. It can roll in a circle.

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Sample Practice Questions

Challenging
A robot is built using one cube for its body, one sphere for its head, and two cylinders for its legs. How many different kinds of 3D shapes were used?
A.3
B.2
C.4
D.5
Challenging
If you put a perfect cube right next to another identical cube, the new, longer shape you make is a...
A.Bigger Cube
B.Rectangular Prism
C.Sphere
D.Pyramid
Challenging
Tom has a shape that has flat sides and can also roll on its side. Which shape is it?
A.Sphere
B.Cube
C.Cylinder
D.Pyramid

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