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 decimal point. For example, 0.5 is a decimal representation of 5/10.

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 0.08 in relation to 1?

Back

0.08 is 8 hundredths, which means it is less than 1.

Front

What is the result of 123.6 - 0.08?

Back

123.52

Front

What is the result of 55.78 + 4.6?

Back

60.38

Front

If Lisa had $100 and spent $27.99 and $25.99, how much does she have left?

Back

$46.02

Front

What is the value of 2 - 0.43?

Back

1.57

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

If Tony ran 4.8 miles and James ran 2.75 miles, how much farther did Tony run?

Back

2.05 miles