Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Tags

CCSS.4.NBT.A.1

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 96 to the nearest ten.

Back

100

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest hundred?

Back

To round a number to the nearest hundred, look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 871 to the nearest hundred.

Back

900

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 320 to the nearest hundred.

Back

300

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 151 to the nearest ten.

Back

150

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 981 to the nearest hundred.

Back

1,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the value of the digit 7 in the number 7,482?

Back

In the number 7,482, the digit 7 is in the thousands place, so its value is 7,000.

Tags

CCSS.4.NBT.A.1

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby value that is easier to work with, usually to the nearest ten, hundred, or other place value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3