Question

KN
EXERCISE 1.3
1 match the following using general rule
? (b) 796 314 (e) 12.904.888 D 28.292 21.196
Maketen mechexamples of addition, subtraction and estimation of the outcome
2. Ove a roughestinate by rounding off to nearest hundreds) and also a closer estimate
by rounding off to nearest tens):
4303344.317 (b) 1.08.734 47.590 (0) 825 101
d) 4.89,348-48.365
Make four more such examples
3. Estimate the following prelucts using general rule:
(a) 578 x 10l (b) 5281 x 391 (0) 1291 x 592 (d) 9250 x 29
Make four more such examples
1.4 Using Brackets
teera bought 6 notebooks from the market and the cost was 10 per notebook.
Her sister Seema also bought 7 notebooks of the same type. Find the total money
hey paid.
Seema calculated the
Meera calculated the
amount like this
amount like this
6 x 10 + 7 x 10
6 + 7 =13
= 60 + 70
and 13 x 10 = 130​

Answer 1

Answer:

12345678910

12345678910

12345678910

Answer 2

Answer:

ydhcoojogc xnugxigxyezjf kvixgzirz