CLASS-1
SUBTRACTION THROUGH NUMBER LINE

SUBTRACTION THROUGH NUMBER LINE

PROBLEM.1) Subtract 9 from 30 through Number Line.

SOLUTION -

Starting from 30, count 9 space backward. You will reach 21.

PROBLEM.2) Suppose you have 10 no.s Apple, you will provide 4 no.s Apple to your younger brother. Now the question is how many Apple do you have now ?

METHOD - Start count from '0' and jump to mark '10' first. Then start jumping back to 4th place behind and now you have reached '6' (Answer) .

Now you can say, you have 6 no.s Apple.