CBSE Solutions For Class 3 Maths Chapter 2 Toy Joy

CBSE Notes For Class 3 Maths Chapter 2 Toy Joy

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

Toy Joy Childrens are making animals

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?

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Toy Joy Old boxes

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

Cube: _________ Cuboid: _________

Cone: _________ Cylinder: _________

Toy Joy Jaya is building a rocket with her shapes

  • 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?

Toy Joy Red and yellow cubiods

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?

Toy Joy Devika went to a shop and bought a toy engine

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?

Toy Joy 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.

Toy Joy To build such houses

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.

Toy Joy Select any three shapes and put them together

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.

Toy Joy Shapes in the classroom

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

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

  • Circle Toy Joy Circle the cubes.
  • Put a tick Toy Joy Tick against the shapes that are cones.
  • Put a cross Toy Joy Cross against the shapes that are cones.
  • Put a box Toy Joy A box around the cuboids.

Toy Joy Shapes

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?

Toy Joy Shapes can be build

Question 5. Try to make these shapes using cubes.

Toy Joy 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.

Toy Joy Game

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

Toy Joy Shapes the same 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? ___________

Toy Joy A die

Question 8. In what order is this model built?

Toy Joy Model built

Toy Joy Cubes are used to make this shape

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

Toy Joy Many different ways can you join 3 cubes

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

Toy Joy The shapes used in these models

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

  1. A Cuboid
  2. A tower
  3. Any other shape of your choice

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