Question

3,5,7=32
4,5,9=77
3,6,7=?​

Answer 1

Answer:

4. Give a rough estimate (by rounding off to

nearest hundreds) and also a closer

estimate (by rounding off to nearest tens):

(i) 439 + 334 + 4317 (ii) 108734 - 47599

(iii) 8325 - 491

(iv) 489348 - 48365

5. Find the estimated sum and difference of

the following:

(i) 5290 + 17986 (ii) 5673 - 436

(iii) 13805 + 2868 (iv) 48457 - 23624

6. Find the estimated products and quotients

of the following:

(1) 958 X 387 (0) 4295 + 7

(iii) 858 * 487 (iv) 1254 + 10