Unit 3 Mid-term Exam Review - 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 with whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the product of 0.5 and 3.5?

Back

1.75

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 11.2 - 0.374?

Back

10.826

Front

Back

800.

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, and move the decimal point in the dividend the same number of places. Then divide as you would with whole numbers.

Front

Back

8.632.

Front

What is the difference between a proper decimal and an improper decimal?

Back

A proper decimal has a value less than 1, while an improper decimal has a value greater than or equal to 1.

Front

What is the decimal equivalent of 3/4?

Back

0.75.