Question

1. Estimate first, then write the sum or difference. Find the sum to check your work.
(i) 51 + 47
(ii) 528 +62
(iii) 2314 - 372 (iv) 1521 - 6325
(v) 43278 + 2902 (vi) 7893 - 4164 (vii) 47348 - 2267 (viii) 2597 - 390
(ix) 9001 - 557
(x) 65662 - 4465
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Answer 1

Answer:

first mark as brainliast then i will give right answer plz mark

Answer 2

Answer:

Nearest 10

Step-by-step explanation:

50+50=100

530+60=590

2310-370=1940

1520-6320=4800

43280+2900=46180

7890-4160=3730

Plz mark as the brainliest