Information Processing | Term 2 Chapter 6 | 5th Maths - Modelling
Chapter: 5th Maths : Term 2 Unit 6 : Information Processing
UNIT−6 INFORMATION PROCESSING
Modelling
A way of introducing the mathematical concept.
Modelling is an activity like drawings as sketches, Physical models, computer programmes or mathematical formulas.
Let us see the following models using the different shapes such as circles, rectangles and triangles.
(Link: Universal shapes for design)
Geometrical shaped objects.
Let us see artistic chains with different coloured beads.
Try this
Think first before looking at the answer!
How many squares are there?
Activity
Activity
The following shapes are drawn instead of numbers 0, 1, 2, 3, 4, 5. Shall we find the number of each shapes.
Let us know
In our street,
There are two times Cats of Dogs
D = Dog C − Cat
Activity
Complete the following
Number of circles - 17
Number of Triangles - 18
Number of Squares - 2
Try this
How many rectangles are there in this diagram?
There are 24 rectangles in this diagram.
Rectangles form are,
ACGE, EGLJ, JLOM, CDPO, ACLJ, EGOM, ACOM, ADPM, ABNM, BCPN, BDPN, ABFE, EFKJ, EF1H, JKNM, BCGF, FGLK, EFNM, KLON, BCLK, FGON, ABIH, HIKJ, HINM
Example
Birthday triangle Cake
The given figure is a triangle shaped birthday cake, this was bought by the parents to celebrate the birthday of a three year child. There are six flowers in the cake, you have to divide this cake into three equal parts so as to have two flowers in each part. There should not be more than three cuts.
