Adding Subtracting and Multiplying Decimals Practice

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 that represents 5/10.

Front

How do you add decimals?

Back

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

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the product of 4 x 0.03?

Back

0.12

Front

What is 18.7 x 6?

Back

112.2

Front

Where should the decimal point be in the product of 2.39 x 4.37 = 104443?

Back

10.4443

Front

If peaches cost $2.50 per pound and you buy 3 pounds, how much do you spend?

Back

$7.50

Front

Lisa has a budget of $100. If she spends $27.99 on a shirt and $25.99 on pants, how much is left?

Back

$46.02

Front

What is the first step in adding decimals?

Back

Align the decimal points of the numbers being added.