Adding and Subtracting Decimals

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

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 in fraction form?

Back

0.5 is equivalent to 1/2.

Front

What is the first step in solving a decimal addition problem?

Back

The first step is to align the numbers by the decimal point.

Front

What is the first step in solving a decimal subtraction problem?

Back

The first step is to align the numbers by the decimal point.

Front

Calculate: 7.05 - 4.6

Back

2.45

Front

Pam had $135.62 in her bank account. She deposited $58.90. How much money does she have in her account now?

Back

$194.52

Front

Calculate the difference: 27.96 - 16.2

Back

11.76

Front

Tony ran 4.8 miles. James ran 2.75 miles. How much farther did Tony run?

Back

2.05 miles