Rounding

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler or easier to work with, while keeping its value close to what it was.

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Front

What is the rule for rounding numbers to the nearest ten?

Back

If the digit in the ones place is 5 or greater, round up. If it is less than 5, round down.

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How do you round the number 324 to the nearest hundred?

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You round down to 300 because the tens digit (2) is less than 5.

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Front

What are benchmark numbers when rounding to the nearest ten?

Back

Benchmark numbers are the two closest multiples of ten that a number falls between.

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What is the nearest hundred to the number 835?

Back

The nearest hundred to 835 is 800.

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How do you round the number 86 to the nearest ten?

Back

You round up to 90 because the ones digit (6) is 5 or greater.

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Front

What is the nearest hundred for the number 1,389?

Back

The nearest hundred for 1,389 is 1,400.

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What is the significance of the digit in the place immediately to the right when rounding?

Back

The digit in the place immediately to the right determines whether to round up or down.

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Front

What is the process of rounding a number called?

Back

The process of rounding a number is often referred to as 'rounding off'.

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Front

When rounding to the nearest ten, what are the benchmark numbers for 37?

Back

The benchmark numbers for 37 are 30 and 40.

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