## CBSE Notes For Class 3 Maths Chapter 2 Toy Joy

Some children are making animal and bird faces on old boxes, cans, and paper.

**Let Us Do**

Use old boxes (cubes and cuboids) and bottles (cylinders) to do craft work. Draw faces on them. What did you draw on their faces?

**Read and Learn More CBSE Solutions For Class 3 Maths**

- Jaya is building a rocket with her shapes. What shapes has she used?
- How many of each?

Cube: _________ Cuboid: _________

Cone: _________ Cylinder: _________

- What shape is between the red cuboid and the yellow cuboid?
- What shape is on the top of the orange cylinder?
- What shape is under the pink cone?

Collect objects to make a house. Name the shapes and talk about their faces and edges. Which are straight and which are curved? Also, describe how the shapes have been arranged. What part of the shapes can you see from a distance?

Devika went to a shop and bought a toy engine.

Here is Devika’s toy engine. It has many parts. Count and fill.

______ red cylinder(s) _________ yellow cone(s)

______ grey cuboid(s) _________ blue cube(s)

**Let Us Discuss**

Here are some more toys from the toy shop. They are made up of different shapes.

**What shapes are used in these toys?**

Jaya made some houses using different shapes.

**Try to build such houses, towers, rockets, etc. using different shapes available around you.**

Note that a cube is a special type of cuboid.

**Let Us Play**

**Construct And Describe**

Ask students to sit in groups of four or five. In each group, one student selects any three shapes and puts them together. The student, then describes the sequence of construction and the other students have to build the same without seeing the original one. Let children take turns and play the game in the group.

**Example**

The cylinder is on top of the cuboid. The cone is on top of the cylinder.

**Let Us Do**

**Question 1. Can you find these shapes in the classroom? Fill in the table with their names.**

- Name the shape that you find the most. ________
- Name the shape that you find the least. ________
- Name the objects that are made up of more than one shape. _______

**Question 2. Look at these shapes and answer the following questions.**

- Circle the cubes.
- Put a tick against the shapes that are cones.
- Put a cross against the shapes that are cones.
- Put a box around the cuboids.

**Question 3. Name the shapes**

- with no edges. __________
- with only flat faces. _________
- with only curved faces. ________
- with both straight and curved edges. _________
- with both flat and curved faces. _________

**Question 4. Which shapes can you build?**

**Question 5. Try to make these shapes using cubes.**

**Let Us Play**

There is a game along the border of this page. Roll the die and move the counter to the next picture associated with the number on the die (if possible without crossing the “Finish” square) and play the game with your friends. The one who reaches the finish mark first wins the game.

**Question 6. In what ways are these shapes the same? In What ways are they different?**

**Question 7. Look at a die. The faces have 1 to 6 dots. What number is on:**

- The face opposite number 1? __________
- The face opposite number 2? __________
- The face opposite number 3? __________
- What pattern do you notice? ___________

**Question 8. In what order is this model built?**

**Question 9. In how many different ways can you join 3 cubes? try and see.**

**Question 10. Name the shapes used in these models. Describe how the shapes are arranged to make them.**

**Question 11. Use six dice to make the following shapes:**

- A Cuboid
- A tower
- Any other shape of your choice