Rounding to the nearest 10 & 100

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler 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 is the place value to look at when rounding to the nearest ten?

Back

The ones place value.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number to the nearest ten?

Back

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

Front

What is the place value to look at when rounding to the nearest hundred?

Back

The tens place value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens 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 768 to the nearest hundred.

Back

800.

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CCSS.3.NBT.A.1

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Front

Round 438 to the nearest hundred.

Back

400.

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CCSS.3.NBT.A.1

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Front

Round 567 to the nearest hundred.

Back

600.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 56 to the nearest ten.

Back

60.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding up?

Back

If the digit in the place value immediately to the right is 5 or greater, increase the digit in the rounding place by 1.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3