Question

Estimate each of the following by rounding off each number to nearest hundreds:
(a) 874 + 478
(b) 793 + 397
(c) 11244 + 3507
(d) 17677 + 13589

Answer 1

(a) 874 + 478
by rounding off each number to nearest hundreds
900+500=1400
(b) 793 + 397
by rounding off each number to nearest hundreds
800+400=1200
(c) 11244 + 3507
by rounding off each number to nearest hundreds
11200+3500=14700
(d) 17677 + 13589
by rounding off each number to nearest hundreds
17700+13600=31300

Answer 2

(a) 900 +500=1400
(b) 800+400=1200
(C)11200+3500=14700
(d)17700 + 13600=31300