Decimal Place Value

Decimal Place Value

​Expanded Form of Decimals

​1. (4x10) + (9x1) + (3x0.1) + (1x0.01) = 49.31

​2. (8x1) + (2x0.1) = 8.2

​3. (6x10) + (1x0.001) = 60.001

​4. (9x0.1) + (7x0.001) = 0.901 or .901

​5. (1x0.1) + (4x0.01) + (8x0.001) = 0.148 or .148

Decimals

• A number whose whole number and fractional part is seperated by a decimal point

• A number written with a decimal point

• A decimal point does not have any value

• The numbers left of the decimal point are equal to or greater than 1

• The numbers to the right of the decimal point are less than 0

Left of the Decimal Point

The value increases based on place values

Decimal Point

It has no value.

It is pronounced as "and."

Right of the Decimal Point

The values decreases based on place values