Comparing, Adding, and Subtracting 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.

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, placing the decimal point in the sum directly below the other decimal points.

Front

What is the sum of 32.15 and 24.15?

Back

56.30

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, placing the decimal point in the difference directly below the other decimal points.

Front

What is the difference between 9.28 and 0.54?

Back

8.74

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 number that differs determines which is greater or if they are equal.

Front

Which is greater: 69.23 or 69.023?

Back

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Front

Are 2.5 and 2.5000 equivalent?

Back

Yes, they are equivalent because they represent the same value.

Front

What is the value of 0.5 in fraction form?

Back

1/2

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100) and simplify if possible.