Question

ESTIMATE SUM
Estimate the sum by rounding to nearest tens.
1. 321444 + 525898:
+
2. 362514 + 271439:
+
=
Estimate the sum by rounding to nearest hundreds.
3. 1632545 + 3831655:
+
=
4. 1636235 + 6378455 :
+
Estimate the sum by rounding to nearest thousands.
5. 362124 + 565398:
+
6. 3539286 +574207:
+
Estimate the sum by rounding to nearest ten-thousands.
7. 103382 + 250743 :
+
8. 505441 +416067:
+
Estimate the sum by rounding to nearest lakhs.
9. 1242172 +5214378:
+
10. 6321541 + 2325421 :
+
Estimate the sum by rounding to nearest ten-lakhs.
11. 3104286 +5241854:
+
12. 23251471 + 17214512:
+
Estimate the sum by rounding to nearest crores.
13. 23691746 + 33217245 :
+
14. 34625414 + 49451155:
+​

Answer 1

Answer:

42505 estimated to the nearest thousand =43000

27807 estimated to the nearest thousand =28000

21397 estimated to the nearest thousand =21000

Now, the sum of the estimated numbers is 43000+28000+21000=92000

Hence, the sum is 92000.