Question

1.
Estimate each of the following sum by rounding off to the nearest ten. Find the
actual sum also.
36 + 46
b. 72 + 58
C. 63 + 19
d. 762 + 118
e. 527 + 333
f. 657 +278​

Answer 1

Answer:

round off sum. actual sum

a. 90. 82

b. 130. 130

c. 80. 82

d. 880. 880

e. 860. 860

f. 940. 935

Step-by-step explanation:

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Answer 2

Actual = A
Estimated = B
a. A - 82 , E - 80
b. A - 130 , B - 130
c. A - 82 , E - 80
d. A - 880 , E - 880
e. A - 860 , E - 869
f. A - 935 , E - 940
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