Rounding

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value (e.g., nearest ten, hundred) based on certain rules.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest ten?

Back

If the digit in the ones place 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 37 to the nearest ten.

Back

40

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 507 to the nearest ten.

Back

510

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest hundred?

Back

If the digit in the tens place 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 346 to the nearest hundred.

Back

300

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 45 to the nearest ten.

Back

50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the significance of the digit in the ones place when rounding to the nearest ten?

Back

The digit in the ones place determines whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the significance of the digit in the tens place when rounding to the nearest hundred?

Back

The digit in the tens place determines whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number that is exactly halfway between two rounding points?

Back

If a number is exactly halfway, round up to the nearest even number.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3