Estimate the sum.

(201 x 3) + 619 + 114

[2 marks]

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Solution

Solution:

The required sum is (201 x 3) + 619 + 114

201 can be rounded off as 200
and, 619 can be rounded off as 620
and, 114 can be rounded off as 110
(1 mark)

Thus, the estimated sum will be:
(200 x 3) + 620 + 110
= 600 + 620 + 110
= 1330

(1 mark)

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