Decimals Flashcard

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

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 is 5 or greater, round up. If it is less than 5, round down.

Front

What is the value of 3.704 - 1.325?

Back

2.379

Front

How do you round a number to the nearest hundredth?

Back

To round to the nearest hundredth, look at the thousandths place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What is 7.9 - 3.47?

Back

4.43

Front

What does the term 'place value' mean in decimals?

Back

Place value refers to the value of a digit based on its position in a number. For example, in 0.75, the 7 is in the tenths place and the 5 is in the hundredths place.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up means increasing the last digit by one, while rounding down means keeping the last digit the same.

Front

What is the nearest tenth of 73.973?

Back

74

Front

What is the nearest hundredth of 735.238?

Back

735.24

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.