Question

Observe and complete:

1+3 = ?

5+11 = ?

21+47 = ?

........+....... = ?

From this observation, we conclude that

“the sum of any two odd numbers is

always an ______________”

(ii) Observe and complete:

5 x 3 = ?

7 x 9 = ?

11 x 13 = ?

.... x ..... = ?

From this observation, we conclude that

“the product of any two odd numbers is

always an __________”​

Answer 1

Answer:

1+3=4

5+11=16

21+47=68

5+3=8

the sum of any two odd number is always an Even number.

ii) 5*3=15

7*9=63

11*13=143

the product of any two odd number is always an odd