Find the sum by short method:
(i) 6784 + 9999
(ii) 10578 + 99999

Open in App

Solution

(i) 6784 + 9999
= 6784 + (10000 − 1)
= (6784 + 10000) − 1 (Using associative property of addition)
= 16784 − 1
= 16783

(ii) 10578 + 99999
= 10578 + (100000 − 1)
= (10578 + 100000) − 1 (Using associative property of addition)
= 110578 − 1
= 110577

Suggest Corrections

Similar questions

99999

33

Find the squares of the following numbers by visual method:
(i) 52 (ii) 95
(iii) 505 (iv) 702
(v) 99

Join BYJU'S Learning Program