Decimal numbers represent fractions with denominators that are powers of ten. Each digit in a decimal has a place value and digit value based on its position from the decimal point. Decimals can be written out in words by stating the whole number part followed by the name of the place value of any fractional digits.

1. DECIMAL

2. 1)Decimal are numbers that represent fraction
with the denominators 10,100,1000 and so on.
2) Each digit in a decimal has its own place value
and digit value
Example:
Decimal
2 3 5 4
Place value Tens Ones Decimal point Tenths Hundredths
Digit Value 20 3 0.5 0.04

3. Example:
*The shaded part is two tenths. Two tenths is
same as 2/10 or 0.2
* We write the decimal as 0.2 . We read 0.2 as
Zero point two or two tenths

4. Example:
a) Write 5.07 in words
Answer: Five point zero seven or seven
hundredths
b) The diagram shows a number line. What is
the value of x?
7 x 8
Ans: 7.5