Question

9. Estimate each of the following using general rule:
(i) 842 +1245 (ii) 19,643 - 13,775 (iii) 2149 493
(iv) 5762 = 287 (v) 439 +8325 - 387​

Answer 1

Answer:

1. 2100 2. 5900 5. 8400

Step-by-step explanation:

We can just add it or subtract it and

then we may just estimate it. Simple and easy.

Answer 2

9. Estimate each of the following using general rule:

(i) 842 +1245 (ii) 19,643 - 13,775 (iii) 2149 493

(iv) 5762 = 287 (v) 439 +8325 - 387