Practice the math worksheet on third grade geometrical shapes. The questions will help the students to get prepared for the third grade geometry test.

**1.** Name the types of surfaces that you know.

**2.** What types of surfaces do the following objects have?

(i) brinjal (long)

(ii) elephant

(iii) table

**3.** Name five solid shapes.

**4.** What is the difference between a cube and a cuboid?

**5. **Write down** **the number** **of faces, edges and vertices of the
following:

(i) cuboid

(ii) cylinder

(iii) sphere

**6.** Definition of:

(i) point

(ii) line

**7. **What are the differences between a line, a line-segment and a ray?

**8. **What are the plane figures which are called basic shapes?

**9. **Write the number of sides and corners of the following:

(i) square

(ii) triangle

(iii) circle

**10. **Write **‘true’** or **‘false’** for each statement:

(i) A square has 4 sides and 4 vertices.

(ii) All the edges of a cuboid are equal.

(iii) All the edges of a cube are not equal.

(iv) A circle has a centre and a circumference.

(v) Only one line can pass through a point.

(vi) The diameter of a circle is double the length of its radius.

**11.** Follow the pattern and form a design then color it on your own
choice to look the design colorful.

**12.** Put a tick mark (P) on the figures formed only by straight lines
and cross mark (û) on
the figures formed by both curved and straight lines.

**13. **Form a model of a temple with the shapes of circles, squares, triangles, etc.

**14. Choose the correct answer:**

(i) The shape with no edges is a:

(a) cube

(b) sphere

(c) cylinder

(ii) The shape with no vertex and 2 edges is a:

(a) cube

(b) sphere

(c) cylinder

(iii) An orange looks like a:

(a) cube

(b) sphere

(c) cylinder

(iv) The shape with 4 equal sides and 4 corners is a:

(a) rectangle

(b) square

(c) circle

**15. Fill in the blanks:**

(i) The line joining two points on a circle is called a ……………………

(ii) …………………… lines never meet.

(iii) A …………………… has 2 end points.

(iv) …………………… is the longest chord of the circle.

(v) A rectangle has …………………… lines of symmetry.

(vi) A polygon with 4 sides is called a ……………………

(vii) The length of the boundary of a circle is called its ……………………

(viii) All the radii of a circle are ……………………

(ix) A triangle with all three sides equal is called a …………………… triangle.

Answers for the worksheet on third grade geometrical shapes are given below to check the exact answers of the above questions in geometry solid figures.

**Answers:**

**1.** Plane surface, curved surface, cylindrical.

**2.** (i) Cylindrical

**(ii) Curved**

**(iii) Plane**

**3.** Cube, Cuboid, Cylinder, Cone and Sphere.

**5.** (i) Cuboid has 6 faces, 12 edges and 8 vertices.

**(ii) Cylinder has 3 faces, 2 edges and no vertices.**

**(iii) Sphere has 1 face (curved), no edges and no vertex.**

**9. (i) A square has four sides and four corners**

**(ii) A triangle has three sides and three corners**

**(iii) A circle has one side (circumference) and no corners**

**10. (i) True**

**(ii) False**

**(iii) False**

**(iv) True**

**(v) False**

(vi) True

**11.**

**12.** (i) P

(ii) û

(iii) û

(iv) P

(v) û

(vi) û

(vii) P

**14.** (i) (b) sphere

(ii) (c) cylinder

(iii) (b) sphere

(iv) (b) square

**15.** (i) chord

(ii) parallel

(iii) line-segment

(iv) Diameter

(v) two

(vi) quadrilateral

(vii) circumference

(viii) equal

(ix) equilateral

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