# Grade 1 Math Shapes

**Shapes**

**What is plane shape?**

If a shape is flat
and closed and has no thickness, then it is called plane shape.

Example:

**i. Square:**

⬜

Square has 4 sides, 4 corners and each side is equal in length.

**ii. Rectangle:**

▭

Rectangle has 4 sides, 4 corners and its opposite
sides are equal in length.

**iii. Triangle:**

△

Triangle has 3 sides, 3 corners and its all sides
may be or may not be equal in length.

**iv. Circle:**

⚪

Circle has no side, no corner but it has figure
of a curved line.

**What
is Solid shape?**

A shape which has tree dimensions: length, width
and height is called a solid shape.

Example:

**i. Cube:**

A cube has 6 square faces and 12 edges and 8
corners.

**ii. Cuboid:**

A cuboid has 6 rectangular faces and 12 edges
and 8 corners.

**iii. Cone:**

A cone has one flat face and a curved face.

**iv. Cylinder:**

A cylinder has two flat faces and one curved
face and has no corners.

**v. Sphere:**

A sphere has no flat faces and corners, has only
a curved face.

**1. I have four sides and I am a
plane shape. Who I am?**

(a) Square

(b) Rectangle

(c) both

Answer: c

**2. I have 3 sides and 3 corners. I
am a _________.**

Answer: triangle.

**3. It has no sides, no corner but
has a curve line. It is a ______.**

Answer: circle.

**4. What is the meaning of 3D in
solid shape?**

Answer: 3D means 3 dimensions in solid shape.

**5. What is the name of 3 dimensions?**

Answer: length, width and height.

**6. What is the difference between
cube and cuboid?**

Answer:

Cube has 6 squire faces but cuboid has 6 rectangular
faces.

**7. A ______ has one flat face and a
curved face.**

Answer: Cone.

**8. ****A
cylinder has ______ flat faces and _______ curved face and has no corners.**

Answer: 2, 1