Question

. Estimate each of the following by rounding off each number to nearest hundreds: (a) 874 + 478 (b) 11244 - 3507 (c) 17677 – 13589 (d) 311×113 (e) 5981 × 4428

Answer 1

Answer:

a) 1400

b)7800

c)4200

d)35100

e)26483900

Answer 2

Answer:

(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