Multiplication with decimals

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3).

Front

What does it mean to multiply decimals?

Back

Multiplying decimals involves multiplying two decimal numbers together, which can result in a product that is also a decimal.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there are no decimals, then place the decimal point in the product based on the number of decimal places in the decimal.

Front

Calculate: 3.1 x 6

Back

18.6

Front

What is the product of 19.2 and 2.3?

Back

44.16

Front

How do you determine the placement of the decimal in the product?

Back

Count the total number of decimal places in the numbers being multiplied. The product should have the same number of decimal places.

Front

Calculate: 6.41 x 3.1

Back

19.871

Front

What is the result of multiplying 63.9 by 7?

Back

447.3

Front

Calculate: 2.1 x 4.5

Back

9.45

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.