S K Gupta and Anubhuti Gangal Solutions for Exercise 2: EXERCISE 2 (B)

$529+$ _____ $=398+529$

Find the sum:

$217+483$

Find the sums of :

$217+483$ and $483+217$

Are they same? Which property of addition do they show?

Find the sum:

$\left(39208+392\right)+726$

Find the sums of :

$\left(39208+392\right)+726$ and $39208+\left(392+726\right)$

Are they equal? Which property of addition do they show?

A student wrote $5 + 24 + 25 + 6 = 5 + 25 + 24 +6.$

Which property of addition did he use?

$18 + \left(82 + 8\right) = \left(18 + 82\right) + 8$ is an example of :

Find a whole number $\text{'}p\text{'}$ such that $p+p=p$