CBSE Class 7 Mathematics Sample Activities

Activity 1: To represent the following products of decimal numbers on a square by drawing horizontal/ vertical lines and shading

0.3 x 0.7

0.5 x 0.5

Activity 2: To compare the marks obtained in all the subjects by a student in the first and second term examination by drawing a bar graph using paper cutting and pasting. 

Activity 3:   (a)  Identify the conditions under which given  pair of angles are complimentary.

                  (b) Identify the conditions under which given pair of angles are supplementary.

Activity 4:   To verify that if two lines intersect at a point, then each pair of vertically opposite angles are equal by paper cutting and pasting.

Activity 5:  To verify that if two parallel lines are cut by a transversal, then

• Each pair of corresponding angles are equal
• Each pair of alternate interior angles are equal
• Each pair of interior angles on the same side of transversal are supplementary by paper cutting and pasting.

Activity 6:

(a)       To get a median of a triangle from any vertex, by paper folding.

• To verify that in a triangle, medians pass through a common point by paper folding.
• To get an altitude of a triangle from any vertex, by paper folding.
• To verify that in a triangle altitudes pass through a common point by paper folding.

       (Note: - Teacher may take different types of triangles classified on the   basis of sides and angles)

Activity 7: (a)  To verify that the sum of all interior angles of a triangle is 180⁰ by paper  cutting and pasting.

                        To verify that an exterior angle of a triangle is equal to the sum of the two interior opposite angles by paper cutting and pasting.

Activity 8: To verify that a triangle can be drawn only if the sum of lengths of any two sides is greater than the third side, using broom sticks.

                        Set 1:  5 cm, 7 cm, 11 cm

                        Set 2:  5 cm, 7 cm, 14 cm

Activity 9:     To verify Pythagoras theorem using a squared paper by shading the squares.

Activity 10:       (a) To draw a cube with an edge 5 cm long on an isometric dot paper. Also draw its oblique sketch.

                           (b)     To draw a cuboid of dimension 7 cm, 4 cm and 2 cm on an  isometric dot paper. Also draw its oblique sketch.