Table of Contents

## Why is multiplying decimals important?

Rule for multiplying decimals A common way to multiply decimals is to treat them as whole numbers, and then position the decimal point in the product. The number of digits after the decimal points in the factors determines where the decimal point is placed in the answer. For example, 0.3 x 0.8 = 0.24.

### What is an area model in math for decimals?

An area model is used to show a representation of multiplication or division. A rectangle is divided into columns and rows to represent the numbers. The product of two numbers is similar to finding the area of a rectangle. Here is a multiplication problem involving two decimal numbers.

#### What does divided by look like?

The division sign (÷) is a symbol consisting of a short horizontal line with a dot above and another dot below, used to indicate mathematical division.

**How do you divide decimals and whole numbers?**

How do you divide a decimal by a whole number?

- Place the decimal point in the quotient directly above the decimal point in the dividend.
- Divide the same way you would divide with whole numbers.
- Divide until there is no remainder, or until the quotient begins to repeat in a pattern. Annex zeros, if necessary.

**What are decimal models?**

Model Decimals Using decimals extends the place value system to represent parts of a whole. The use of a decimal point is a symbol that separates the tenths from the ones, or the ‘part from the whole’. For example, in the number 4.2, the decimal point separates the 4 ones and the 2 tenths.

## Where is the hundredths in a decimal?

The first digit after the decimal represents the tenths place. The next digit after the decimal represents the hundredths place.

### How do you multiply decimals by 100?

To multiply a decimal by 100, move the decimal point in the multiplicant by two places to the right. Here we multiplied the number 98.26 by 100 so we move 2 places to the right. 3. To multiply a decimal by 1000, move the decimal point in the multiplicant by three places to the right.