Operations with Decimals

Front

What is a decimal?

Back

A decimal is a way of representing fractions or parts of a whole using a dot (.) to separate 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

What is the result of 0.41 x 0.5?

Back

0.205

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 numbers and place the decimal point in the product accordingly.

Front

What is the quotient of 15.36 divided by 2?

Back

7.68

Front

How do you divide decimals?

Back

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

Front

What is 8.7 + 12.8?

Back

21.5

Front

What is the process for adding decimals?

Back

Align the decimal points, add the numbers as whole numbers, and place the decimal point in the sum.

Front

Back

Front

How do you find change from a purchase?

Back

To find change, subtract the total cost from the amount paid.