Rounding Decimals

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. It often involves increasing or decreasing the last digit based on the value of the digits that follow it.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest integer. If the decimal is .5 or higher, the number is rounded up; if it is less than .5, it is rounded down.

Tags

CCSS.5.NBT.A.4

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the digit in the hundredths place. If it is 5 or greater, increase the tenths place by one. If it is less than 5, keep the tenths place the same.

Tags

CCSS.5.NBT.A.4

Front

What is the rule for rounding numbers?

Back

The general rule for rounding is: if the digit to the right of the place value you are rounding to 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

How would you round 4.5 to the nearest tenth?

Back

4.5 rounded to the nearest tenth is 4.5, as it is already at the tenths place.

Tags

CCSS.5.NBT.A.4

Front

What is the result of rounding 14.297 to the nearest whole number?

Back

14.297 rounded to the nearest whole number is 14.

Tags

CCSS.5.NBT.A.4

Front

When rounding 47.941 to the nearest tenth, what is the result?

Back

47.941 rounded to the nearest tenth is 47.9.

Tags

CCSS.5.NBT.A.4

Front

What is the nearest hundredth of 0.923?

Back

0.923 rounded to the nearest hundredth is 0.92.

Tags

CCSS.5.NBT.A.4

Front

What is the significance of the digit in the place value immediately to the right when rounding?

Back

The digit in the place value immediately to the right determines whether to round up or down. If it is 5 or greater, you round up; if it is less than 5, you round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number with a decimal point?

Back

To round a number with a decimal point, identify the place value you are rounding to, look at the digit immediately to the right, and apply the rounding rule.

Tags

CCSS.5.NBT.A.4