Question

1. Estimate the following products by rounding off each number to the nearest ten :
(a) 57 x 62
(b) 31 x 46
(c) 146 x 36
(d) 78 x 96
(e) 178 x 19
(f) 193 x 53
2. Estimate the following products by rounding off each number to the nearest hundred :
(a) 816 x 384
(b) 374 ~ 128
(c) 456 x 618
(d) 529 x 136
(e) 941 ~ 264
3. Estimate the following products by rounding off each number to the nearest thousand :
(a) 7196 x 8145
(b) 9281 5236
(c) 3781 x 4861
(d) 3172 x 4563
(e) 1596 x 2968
(f) 5176 x 9168
4. Find the estimated quotient for each of the following:
(a) 828 = 36
(b) 9752 = 39
(c) 9279 - 28
(d) 6784 - 52
(e) 9168 +26
(f) 6576 - 42
(g) 58363 = 58
(h) 9618 = 47​

Answer 1

Answer:

1

a)3600

b)1500

c)6000

d)8000

e)3600

f)9500

2