Practice the math worksheet on third grade geometrical shapes. The questions will help the students to get prepared for the third grade geometry test. We read about some basic plane shapes and solid shapes.
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. Fill in the blanks.
(i) A cuboid has _________ faces.
(ii) A cone has _________ corners.
(iii) A sphere has _________ faces.
(vi) A cylinder has _________ flat and _________ curved faces.
8. What are the differences between a line, a line-segment and a ray?
9. What are the plane figures which are called basic shapes?
10. Write the number of sides and corners of the following:
(i) square
(ii) triangle
(iii) circle
11. 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.
12. Follow the pattern and form a design then color it on your own choice to look the design colorful.
13. Put a tick mark (✓) on the figures formed only by straight lines and cross mark (❌) on the figures formed by both curved and straight lines.
14. Write T for true and F for false.
(i) Solids with curved surface does not roll.
(ii) Solids with flat surface does not roll.
(iii) A book looks like a cuboid.
(iv) Tube light is an example of a cylinder
15. Form a model of a temple with the shapes of circles, squares, triangles, etc.
16. 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
17. 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.
18. Give two examples which looks same as given solid shapes.
(i) Cuboid: __________, __________
(ii) Cube: __________, __________
(iii) Cone: __________, __________
(iv) Cylinder: __________, __________
19. Fill in the blanks:
(i) A cone has _____ faces.
(ii) A cube has _____ faces and _____ vertices.
(iii) A triangle has _____ sides and _____ vertices.
(iv) A rectangle has _____ sides and _____ vertices.
(v) A cuboid has _____ sides.
20. Write the shapes of the following objects:
(i) Sugar cube _____________.
(ii) Book _____________.
(iii) Carrot _____________.
(iv) Marble _____________.
(v) Roadroller _____________.
(vi) Tubelight _____________.
(vii) Shoe box _____________.
(viii) Apple _____________.
21. Fill in the blanks:
(i) A cuboid has 6 __________.
(ii) A cylinder has __________ flat faces.
(iii) A sphere has __________ vertices.
(iv) A cone has 2 __________.
(v) A cube has __________ edges.
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.
7. (i) 6
(ii) 1
(iii) 0
(vi) 2, 1
10. (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
11. (i) True
(ii) False
(iii) False
(iv) True
(v) False
(vi) True
12.
13. (i) ✓
(ii) ❌
(iii) ❌
(iv) ✓
(v) ❌
(vi) ❌
(vii) ✓
14. (i) F
(ii) T
(iii) T
(iv) T
16. (i) (b) sphere
(ii) (c) cylinder
(iii) (b) sphere
(iv) (b) square
17. (i) chord
(ii) parallel
(iii) line-segment
(iv) Diameter
(v) two
(vi) quadrilateral
(vii) circumference
(viii) equal
(ix) equilateral
19. (i) 2
(ii) 6, 8
(iii) 3, 3
(iv) 4, 4
(v) 6
20. (i) Cube
(ii) Rectangle
(iii) Cylinder
(iv) Spherical
(v) Cylinder
(vi) Cylinder
(vii) Cuboid
(viii) Spherical
21. (i) Faces
(ii) 2.
(iii) 0
(iv) Faces
(v) 12
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