Rounding Decimals Using Place Value

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

What does 'nearest tenth' mean?

Back

'Nearest tenth' refers to the first digit to the right of the decimal point. When rounding to the nearest tenth, you look at the digit in the hundredths place to decide whether to round up or down.

Front

Round 3.174 to the nearest tenth.

Back

3.2

Front

What does 'nearest hundredth' mean?

Back

'Nearest hundredth' refers to the second digit to the right of the decimal point. When rounding to the nearest hundredth, you look at the digit in the thousandths place to decide whether to round up or down.

Front

Round 8.307 to the nearest tenth.

Back

8.3

Front

Which decimal rounds to 4?

Back

3.862

Front

Round 2.386 to the nearest hundredth.

Back

2.39

Front

Round 0.262 to the nearest hundredth.

Back

0.26

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.

Front

What is the rule for rounding down?

Back

If the digit to the right of the place you are rounding to is less than 5, you round down.