Rounding and Decimals Flashcard

Front

What is rounding?

Back

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

Front

How do you round a number to the nearest tenth?

Back

To round to the nearest tenth, look at the hundredths place. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is the value of 2.345 rounded to the nearest tenth?

Back

2.3

Front

What is the sum of 0.75 and 0.25?

Back

1.0

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would with whole numbers, then place the decimal point in the answer.

Front

What is 15.6 - 7.89?

Back

7.71

Front

How do you round a number to the nearest ten?

Back

Look at the ones place. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is 123.456 rounded to the nearest ten?

Back

120

Front

What is rounding to the nearest hundredth?

Back

Rounding to the nearest hundredth means looking at the thousandths place. If it's 5 or more, round up; if less than 5, round down.

Front

What is 5.6789 rounded to the nearest hundredth?

Back

5.68