Rounding up to the millions

Front

What is rounding in mathematics?

Back

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

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest ten thousand?

Back

Rounding to the nearest ten thousand means adjusting a number to the closest multiple of 10,000.

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CCSS.3.NBT.A.1

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Front

How do you determine which way to round a number?

Back

To determine which way to round, look at the digit immediately to the right of the place value you are rounding to. If it is 5 or greater, round up; if it is less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 213,555 to the nearest ten thousand.

Back

210,000

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CCSS.4.NBT.A.3

Front

Round 851,320 to the nearest hundred thousand.

Back

900,000

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CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest hundred thousand?

Back

When rounding to the nearest hundred thousand, look at the ten thousand place. If it is 5 or greater, round up; if it is less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 19,899 to the nearest ten thousand.

Back

20,000

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the significance of the digit in the millions place when rounding?

Back

The digit in the millions place determines whether the number will round up or stay the same when rounding to the nearest million.

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CCSS.3.NBT.A.1

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Front

Round 5,782,333 to the nearest million.

Back

6,000,000

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the process for rounding to the nearest ten?

Back

To round to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up; if it is less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3