Multiplying 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 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 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 does it mean to 'round' a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

What is the product of 0.5 and 0.2?

Back

0.1

Front

If you multiply 3.4 by 2, what is the product?

Back

6.8

Front

How do you find the length of an object if you know its width and the ratio of length to width?

Back

Multiply the width by the ratio to find the length.

Front

What is the sales tax?

Back

Sales tax is a percentage of the sale price that is added to the total cost of a purchase.

Front

If an item costs $10 and the sales tax is 8%, how much is the total cost?

Back

$10.80 (Total cost = $10 + $0.80 sales tax).

Front

What is the formula to calculate the total cost including tax?

Back

Total Cost = Price + (Price x Sales Tax Rate).