Question

Fill in the bubble next to a double facts you could use to find the sum of 4+5

Answer 1

Given:

4+5

To find:

sum of 4+5

Solution:

1) In the given expression we can add the numbers by indicate one finger of our hand as 1 and we get the answer as 9.

2) Second way to solve this we can draw the no of lines as per the number given separately and then count them at once continuously the last line stops at which number that would be the answer of the given expression that is 9.