Rounding Numbers

Front

What is rounding?

Back

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

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

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What does it mean to round to the nearest hundred?

Back

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

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Front

How do you determine which way to round a number?

Back

If the digit to the right of the rounding place is 5 or greater, round up. If it is less than 5, round down.

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CCSS.4.NBT.A.3

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Front

Round 432 to the nearest hundred.

Back

400

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What is the nearest thousand to 8,109?

Back

8,000

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Front

Round 296 to the nearest ten.

Back

300

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What is the nearest ten to 6,178?

Back

6,180

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Front

Round 2,648 to the nearest hundred.

Back

2,600

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Front

What is the purpose of rounding numbers?

Back

Rounding numbers simplifies calculations and makes it easier to understand and communicate numerical information.

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CCSS.3.NBT.A.1

Front

What is a multiple of 100?

Back

A multiple of 100 is any number that can be expressed as 100 times an integer (e.g., 100, 200, 300, etc.).