Question

Use a number line to solve 235+123

Answer 1

attached a picture of the number line

Answer 2

When two positive numbers are added on the number line ,First we represent smaller number on the number line and then to add larger number ,we move right on the number line by that amount.

To Add

235 +123

=123+235--------Natural numbers follow commutative property with respect to addition,which states A+B=B+A

Mark, 123 ,on the number line.To add 235 to it, move right of 123 by 235 units.

=After moving right by 235 units from 123 , the result will be 358.