Rounding to the nearest ten and hundreds

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 the number to the nearest specified place value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten. If the last digit 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

How do you round the number 37 to the nearest ten?

Back

To round 37 to the nearest ten, look at the last digit (7). Since 7 is 5 or more, round up to 40.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 599 to the nearest ten?

Back

Rounding 599 to the nearest ten results in 600, as the last digit (9) is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 345?

Back

The nearest ten for 345 is 350, as the last digit (5) rounds up.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round the number 76 to the nearest ten?

Back

To round 76 to the nearest ten, look at the last digit (6). Since 6 is 5 or more, round up to 80.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does rounding to the nearest hundred involve?

Back

Rounding to the nearest hundred involves adjusting a number to the closest multiple of one hundred. If the last two digits are 50 or more, round up; if they are 49 or less, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round 463 to the nearest hundred?

Back

To round 463 to the nearest hundred, look at the last two digits (63). Since 63 is 50 or more, round up to 500.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding numbers?

Back

The rule for rounding numbers is: if the digit to the right of the rounding place 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

What is an example of rounding a number down?

Back

An example of rounding down is rounding 24 to the nearest ten, which results in 20, as the last digit (4) is less than 5.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3