Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number 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

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 difference between 123.6 and 0.08?

Back

The difference is 123.52.

Front

What is the sum of 87.03 and 90.9?

Back

The sum is 177.93.

Front

What does it mean to divide?

Back

To divide means to split a number into equal parts or groups.

Front

What is the result of 9,537 divided by 33?

Back

The result is 289.

Front

What is the sum of 86.04 and 4.04?

Back

The sum is 90.08.

Front

What is a divisor?

Back

A divisor is a number by which another number is divided.

Front

In the equation 24 ÷ 8 = 3, what is the divisor?

Back

The divisor is 8.