Place Value and Rounding Decimals

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Tags

CCSS.4.NBT.A.1

Front

What does rounding mean?

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 digit that follows it.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the value of the digit 7 in the number 7.456?

Back

In the number 7.456, the digit 7 is in the units place, so its value is 7.

Tags

CCSS.5.NBT.A.3A

Front

How do you round 3.678 to the nearest whole number?

Back

3.678 rounded to the nearest whole number is 4, because the digit after the decimal (6) is 5 or greater.

Tags

CCSS.5.NBT.A.4

Front

What is the value of the digit 2 in the number 0.0234?

Back

In the number 0.0234, the digit 2 is in the thousandths place, so its value is 0.002.

Tags

CCSS.5.NBT.A.3A

Front

Round 5.849 to the nearest tenth.

Back

5.849 rounded to the nearest tenth is 5.8.

Tags

CCSS.5.NBT.A.4

Front

Which number is two hundred thirty-five thousandths?

Back

The number two hundred thirty-five thousandths is written as 0.235.

Tags

CCSS.5.NBT.A.3A

Front

What is 9.876 rounded to the nearest hundredth?

Back

9.876 rounded to the nearest hundredth is 9.88.

Tags

CCSS.5.NBT.A.4

Front

How do you identify the tenths place in a decimal?

Back

The tenths place is the first digit to the right of the decimal point. For example, in 4.5, the digit 5 is in the tenths place.

Tags

CCSS.5.NBT.A.3A

Front

What is the rule for rounding up?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3