Question

Mathematics for Class 6
9. 423 x 158
12. 271 x 339
Arundred:
7. 376 x 123
10. 509 x 179
8. 264 x 147
11. 392 x 138
15. 359 x 76
18. 255 x 350
the second number downwards:
13. 183 x 154
16. 472 x 158
14. 267 x 146
17. 680 x 164
an
21. 578 x 369
and the second number upwards:
20. 472 X 76
19. 356 x 278
ESTIMATING THE QUOTIENTS
ILLUSTRATIVE EXAMPLE
EXAMPLE
Find the estimated quotient for each of the following:
(1) 627 + 23 (11) 985+ 48
(iii) 74 + 34 (iv) 694 +58
(1) 627 +23 is approximately equal to 600 + 20 = 30.
equal to 1000 + 50 = 20.
Solution
is a
Estimate each of the following products by rounding of each number to
Estimate each of the following products by rounding off the first number up
Estimate each of the following products by rounding off the first number​

Answer 1

Answer:

so long question is this