Rounding to the Nearest 100

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What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest specified value.

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What does it mean to round to the nearest 100?

Back

Rounding to the nearest 100 means finding the closest multiple of 100 to a given number.

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Front

What is the midpoint when rounding to the nearest 100?

Back

The midpoint is the number halfway between two multiples of 100. For example, the midpoint between 200 and 300 is 250.

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Front

How do you determine if you round up or down?

Back

If the last two digits of the number are 50 or more, you round up. If they are less than 50, you round down.

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Round 237 to the nearest 100.

Back

200.

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Round 963 to the nearest 100.

Back

1,000.

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What are benchmark numbers?

Back

Benchmark numbers are the nearest multiples of 10 or 100 that help in rounding.

Front

What are the benchmark numbers for 673 when rounding to the nearest 100?

Back

600 and 700.

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What is the midpoint for 2,757 when rounding to the nearest 100?

Back

2,750.

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What is the midpoint for 47 when rounding to the nearest 10?

Back

45.

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