There are 3,433 seeds in Bag A and 4,512 seeds in Bag B. Estimate the total number of seeds. (Round off to the nearest tens)

7,980

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8,940

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7,900

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7,940

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Solution

The correct option is D 7,940
Say:
$∙$ Estimation is approximating the given value to make the calculation easier.

$∙$ Round off the given numbers to the nearest tens.

Steps:
$∙$ How many seeds are there in Bag A?
Ans: 3,433

$∙$ What is the estimated value of 3,433?
Ans: 3,430 (WB1)

$∙$ How many seeds are there in Bag B?
Ans: 4,512

$∙$ What is the estimated value of 4,512?
Ans: 4,510 (WB1)

$∙$ Which operation do we use to estimate the total number of seeds?
Ans: Addition

$∙$ What is the estimated total number of seeds?
Ans: 3,430 + 4,510 = 7,940 (WB2)

WB1:

WB2:

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