Lines and shapes || Class 4 || Mathematics

Q: Only 3 lines are needed to make me. Who am I?

A:  triangle.

Q: What are the specialities of a rectangle?

A: A rectangle has four sides. In a rectangle, the top and bottom lines are horizontal, and the left and right sides are vertical.

(In a rectangle, the top and bottom lines are horizontal, and the left and right sides are vertical.)

Q: If one corner of a rectangular sheet of paper is cut off, how many corners does it have now?

A: It has five corners.

Q: What is a square?

A: A rectangle with all four sides of the same length is called a square.

A rectangle with all four sides of the same length is called a ---- 

square.

Q: Are all squares rectangles?

A: Yes, all squares are rectangles, but all rectangles are not squares.

Q: How many faces does a cube have?

A:  six faces.

Q: Where can we make rectangles and squares using rubber bands in the Math lab?

A:  geoboard.

Q: Name any two objects around you in a rectangular block shape.

A: Pencil box and book.

Q: How many triangles does a tangram have?

A:  5 triangles.

Q: How many squares does a tangram have?

A:  1 square.

Q: How many flat shapes does a tangram have in total?

A:  7 flat shapes.(7 tans)

2D shapes are flat drawings (like on paper).

Example rectangle, square ,circle ,triangle

3D shapes are solid objects you can hold.

Example cone, sphere, rectangular block, cube

------ helps children learn about geometrical shapes  and creativity by arranging the pieces to make many figures.

Tangram 

1. How many pieces does a tangram have?

7

2. Tangram was discovered in which country?

China

3. What are the pieces of a tangram called?

Tans

5. What does tangram help children to learn?

geometrical shapes