Question

Which shows the best way to estimate 553 ÷ 22?

Answer 1

553/22 is approximately 550/20 = 55/2 = 27.5

Answer 2

For the given division the best estimation is 500÷20. This is because the value of 500÷20 is nearer to the value of 553÷22.

How to estimate an operation?

• The operation may be addition, subtraction, multiplication, or division.
• For bigger numbers, these operations become complicated to calculate.
• So, rounding those numbers to the nearest tens or hundreds will give the values nearest to the actual values.

Estimating the value of a given division:

Given division is 553÷22

Rounding the divisor 22 to the nearest tens as 20

Rounding the dividend 553 to the nearest hundred 500

Then, applying the division operation

550÷20 = 25

(The actual one is 553÷22 = 25.136)

Thus, the value is nearest to the actual value.

Other than this if they are rounded as 550 and 20 we get,

550÷20 = 27

So, the best estimation for the given division is 550÷20 = 25.

Learn more about estimation here:

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