CBSE Note For Class 3 Maths Mela Chapter 5 Fun With Shapes
Let us Do
Question 1. Make Amma’s rangoli on the dots given below.
Question 2. Name the shapes drawn in Amma’s rangoli:
Read and Learn More CBSE Solutions For Class 3 Maths
Question 3. How many shapes are made with __________
- Curved lines _______
- Straight lines __________
Question 4. Use shapes and objects from the classroom to make a rangoli design. Outline the object and color.
Question 5. Try to make the following objects using shape cutouts.
Let Us Do
Question 1. Collect some cardboard boxes and open them. What shapes do you see in the flattened boxes?
Question 2. Make an Envelope. Use a square piece of paper and fold it as shown in the picture.
Baking Biscuits
Why did the two children get different shapes? Discuss.
Name any three objects that have rectangular faces.
Let Us Do
Question 1. Trace all the faces of any cuboidal object. (example — sharpener or eraser)
- How many different faces did you get? ______
- What shapes are these faces? _________
- Did you get a square? __________
- Can you get six different rectangles, by tracing a cuboid? ________
- Can a cuboid have a face like a triangle? __________
- The faces of a cuboid are __________ or __________ in shape.
Question 2. Construct the rectangles using the sides given below:
Question 3. Draw 3 bigger rectangles around this small rectangle.
Question 4. Count and write the number of rectangles in the following picture.
Question 5. Look at the different rectangles given below and answer the following questions.
- How many sides are there in a rectangle? __________
- How many corners are there in a rectangle? __________
- Are there any sides in a rectangle that are equal in length to each other? __________
- What do you notice in a rectangle? Describe it in your own words.
Same To The Same
Question 1. Both have ______ sides
Question 2. Both have ______ Corners.
How many squares do you see in this drawing?
Let Us Do
Question 1. Here is a square. Draw 2 bigger squares around this square.
Question 2. Use matchsticks to make a square so that it has squares on all its sides. How many squares did you get?
Question 3. Complete the squares using the sides given below.
Question 4. Use the square cutouts from the book to do this activity. How many different shapes can you make by joining
- 2 squares
- 3 squares
- 4 squares
Show them in a dot grid. Some dot grids are provided in the back of the book.
Let Us Explore
Question 1. Tick (✓) the shapes that are rectangles.
Which figures are not rectangles? Explain why.
Question 2. Can you fold all the comers of a square sheet in such a way that the number of comers remains the same?
Question 3. Make a square on a cardboard sheet and cut along the dotted lines marked on the square as shown to get 4 triangles. Make as many different shapes as possible by joining three triangles together. How many shapes can you make?
Now try with four triangles together.
Square Corners
Are the comers of a square the same? __________
How do you know?
Pile up some squares over one another and see.
Are the comers of a rectangle the same?
How do you know?
Pile up some rectangles over one another and see.
Are the corners of a square and a rectangle the same?
Name some objects in your class that have only square comers.
Let Us Do
You can join two paper strips to show different comers.
Use the strips to show a square comer, more than a square comer, and less than a square corner.
Can you use the strip to check whether the corners of your table and the board are square?
Question 1. Mark the square comers in these shapes.
Question 2. Connect the dots to make some squares. How many different squares did you get?
Question 3. Look at the picture given below and answer the following.
- Count and write the number of corners.
- Circle the square corners.
Question 4. Use two matchsticks to make two square corners and then four square corners. Draw and show it in the space given below:
Question 5. Murugan made three squares with 10 matchsticks. How many squares can you make with 12 matchsticks?
Triangle – Triangle …So many Triangles
Let Us Do
Question 1. Draw and name some triangular objects, that you see around you, in your notebook.
Question 2. Count the number of triangles in the given rangoli.
Question 3. How many different triangles can be made using the dots on this circle?
Question 4. Move two matchsticks to turn one triangle into two triangles.
Circus With Circles
Let Us Discuss
Question 1. Have you been to a circus?
Question 2. What does a circle look like? How is a circle different from a rectangle?
Let Us Do
Question 1. Name some objects that are like circles.
Question 2. Draw colorful circles to complete the circus scene.
Question 3. Draw circles by tracing bottle caps, bangles, and rings in your notebook.
Children are playing a game. They have made a circle on the ground. Have you played any game where you need to draw a circle? ______
Try to make a circle on the playground.
Let’s take a paper plate and fold it in half the way the children did.
The point where the lines meet is the center of the circle.
Make some puppets using circular shapes and play with them.
Let Us Do
Question 1. Look at these two shapes and discuss their similarities and differences. Tick (✓) the appropriate word.
Question 2. Choose any pair of shapes. Share the similarities and differences in these shapes with your friends.
Question 3. Find the largest rectangle in these shapes.
Question 4. I made one triangle. Then I made another row of triangles.
How many triangles are there in the second figure?
If I make one more row, how many triangles will be there in the third figure?
Question 5. Here are some rectangles that are tom. How many square pieces have been tom from each shape?
Question 6. Each of these shapes can be the odd one out.
How is each one added? Discuss.
Question 7. To complete the rectangle, tick() the appropriate shapes from the left side to fill the gaps in the shape on the right side.
Question 8. Draw two lines to split the shape into three triangles.
Question 9. Draw one lane, to split the shape into 3 triangles.
Question 10. Make the following shapes with different sizes and orientations (angular positions) in your notebook.
- Triangle
- Rectangle
- Circle
- Other shapes
Doors-Dots-Lines
Try to make your own border designs using both curved and straight limes.
Continue the following line pattern.
Tangram
Use the pieces from the tangram puzzle given at the end of the book. Can you create these shapes using some of the pieces?