Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, filling in with zeros if necessary.

Front

What is the value of the digit 5 in the decimal 5.67?

Back

In the decimal 5.67, the digit 5 is in the 'ones' place, so its value is 5.

Front

How do you compare decimals?

Back

To compare decimals, look at the digits from left to right, starting with the highest place value. The first digit that differs determines which decimal is larger.

Front

What is the sum of 2.5 and 3.7?

Back

2.5 + 3.7 = 6.2.

Front

What does the decimal 0.04 represent?

Back

The decimal 0.04 represents four hundredths, which is the same as 4/100.

Front

How do you round the decimal 3.76 to the nearest whole number?

Back

To round 3.76 to the nearest whole number, look at the digit in the tenths place (7). Since it is 5 or greater, round up to 4.

Front

What is the difference between 6.9 and 2.75?

Back

6.9 - 2.75 = 4.15.

Front

What is the decimal equivalent of 3/10?

Back

The decimal equivalent of 3/10 is 0.3.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, carrying over if necessary.