Rounding Decimals to Whole Numbers

Why is rounding decimals to whole numbers useful in arithmetic?

• It simplifies calculations.

• It makes numbers more complex.

• It increases the accuracy of numbers.

• It makes numbers larger.

In the example given, what is the estimated total cost of the two cereal boxes when rounded to whole numbers?

• $10

• $13

• $11

• $12

What does rounding to the nearest whole number involve?

• Ignoring the decimal part completely.

• Choosing the largest possible number.

• Choosing the whole number closest to the decimal.

• Choosing the smallest possible number.

How do you determine which whole number is closest to a decimal?

• By ignoring the decimal part.

• By doubling the decimal part.

• By looking at the integer part only.

• By considering the decimal part as a fraction.

What happens when the decimal part is close to one?

• The whole number part increases by one.

• The whole number part remains the same.

• The whole number part decreases by one.

• The decimal part is ignored.