Decimal Operations

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate 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 whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the rule for multiplying decimals?

Back

When multiplying decimals, count the total number of decimal places in both numbers. The product will have that many decimal places.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the value of 0.5 + 0.25?

Back

0.75

Front

What is the value of 1.2 - 0.7?

Back

0.5

Front

If you multiply 0.6 by 0.4, what is the product?

Back

0.24

Front

What is the value of 3.5 x 2?

Back

7.0

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places.

Front

What is 0.9 divided by 0.3?

Back

3.0