Rounding: Nearest 10 or 100

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, typically by increasing or decreasing it to the nearest specified value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What are benchmark numbers?

Back

Benchmark numbers are easily recognizable numbers that serve as reference points for rounding, such as multiples of 10 or 100.

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 76?

Back

The nearest ten to 76 is 80.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundred to 546?

Back

The nearest hundred to 546 is 600.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If a number is between two benchmark numbers, how do you determine which one it rounds to?

Back

If the number is exactly halfway between two benchmark numbers, it typically rounds up to the higher number.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 265 to the nearest ten?

Back

265 rounded to the nearest ten is 270.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which number rounds to 80: 78, 82, or 85?

Back

82 rounds to 80.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the range of numbers that round to 80?

Back

The range of numbers that round to 80 is from 75 to 84.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 52?

Back

The nearest ten to 52 is 50.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3