Decimal Operations Review

Front

What is a decimal?

Back

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

Front

What does it mean to multiply decimals?

Back

Multiplying decimals involves multiplying the numbers as if they were whole numbers, then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

How do you divide decimals?

Back

To divide decimals, you can move the decimal point in the divisor to the right until it becomes a whole number, and do the same with the dividend. Then divide as usual.

Front

What is the decimal point?

Back

The decimal point is a dot used to separate the whole number part from the fractional part in a decimal number.

Front

What is the value of 1.04 × 8.3?

Back

The value of 1.04 × 8.3 is 8.632.

Front

What is the value of 72 ÷ 0.09?

Back

The value of 72 ÷ 0.09 is 800.

Front

What operation is represented by the symbol ÷?

Back

The symbol ÷ represents division.

Front

What operation is represented by the symbol ×?

Back

The symbol × represents multiplication.

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add as you would with whole numbers, carrying over if necessary.

Front

How do you subtract decimals?

Back

To subtract decimals, align the decimal points and subtract as you would with whole numbers, borrowing if necessary.