ROUNDING

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and 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

Front

How do you round a number to the nearest ten?

Back

To round 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.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 1,456 to the nearest ten.

Back

1,460

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 149 to the nearest hundred.

Back

100

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 752 to the nearest ten.

Back

750

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 888 to the nearest hundred.

Back

900

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundred to 450?

Back

450 is already at the nearest hundred.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 23,679 to the nearest 10,000.

Back

20,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding up?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is 4 or less, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3