rounding decimals 5th grade

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 tenths?

Back

Rounding to the nearest tenths means adjusting a number so that it has one digit after the decimal point. If the digit in the hundredths place is 5 or greater, the tenths place is increased by one; if it is less than 5, the tenths place remains the same.

Tags

CCSS.5.NBT.A.4

Front

How do you round the number 3.76 to the nearest tenths?

Back

To round 3.76 to the nearest tenths, look at the hundredths place (6). Since 6 is greater than 5, you round up, resulting in 3.8.

Tags

CCSS.5.NBT.A.4

Front

What is the result of rounding 4.87 to the nearest tenths?

Back

When rounding 4.87 to the nearest tenths, you look at the hundredths place (7). Since 7 is greater than 5, you round up, resulting in 4.9.

Tags

CCSS.5.NBT.A.4

Front

How do you round a sum of two decimal numbers?

Back

To round a sum of two decimal numbers, first add the numbers together, then round the result to the desired place value (whole number, tenths, etc.) based on the digit in the next place.

Front

What is the sum of 4.92 and 7.35 before rounding?

Back

The sum of 4.92 and 7.35 is 12.27.

Tags

CCSS.6.NS.B.3

Front

How do you round 12.27 to the nearest whole number?

Back

To round 12.27 to the nearest whole number, look at the tenths place (2). Since 2 is less than 5, you round down, resulting in 12.

Tags

CCSS.5.NBT.A.4

Front

What does it mean to round to the nearest thousandths?

Back

Rounding to the nearest thousandths means adjusting a number so that it has three digits after the decimal point. You look at the digit in the ten-thousandths place to determine whether to round up or down.

Tags

CCSS.5.NBT.A.4

Front

How do you round 78.2318 to the nearest thousandths?

Back

To round 78.2318 to the nearest thousandths, look at the ten-thousandths place (8). Since 8 is greater than 5, you round up, resulting in 78.232.

Tags

CCSS.5.NBT.A.4

Front

What does it mean to round to the nearest hundredths?

Back

Rounding to the nearest hundredths means adjusting a number so that it has two digits after the decimal point. You look at the digit in the thousandths place to determine whether to round up or down.

Tags

CCSS.5.NBT.A.4