Operations with Decimals

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (.) to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the product of 0.5 and 0.4?

Back

0.20

Front

How do you multiply decimals?

Back

Multiply as if they are whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the answer accordingly.

Front

What is the quotient of 10.5 divided by 0.5?

Back

21.0

Front

How do you divide decimals?

Back

Move the decimal point in the divisor to make it a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Front

What is the change received from a $10 bill after buying an item for $4.73?

Back

$5.27

Front

What is 0.26 multiplied by 8.1?

Back

2.106

Front

If I earn $10.50 per hour, how much do I earn in 4 hours?

Back

$42.00